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Message-ID: <20231206110843.GCZXBWO12KW2aDq+MO@fat_crate.local>
Date: Wed, 6 Dec 2023 12:08:43 +0100
From: Borislav Petkov <bp@...en8.de>
To: Juergen Gross <jgross@...e.com>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org,
virtualization@...ts.linux.dev,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
Dave Hansen <dave.hansen@...ux.intel.com>,
"H. Peter Anvin" <hpa@...or.com>, Ajay Kaher <akaher@...are.com>,
Alexey Makhalov <amakhalov@...are.com>,
VMware PV-Drivers Reviewers <pv-drivers@...are.com>,
Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v5 4/5] x86/paravirt: switch mixed paravirt/alternative
calls to alternative_2
On Wed, Nov 29, 2023 at 02:33:31PM +0100, Juergen Gross wrote:
> Instead of stacking alternative and paravirt patching, use the new
> ALT_FLAG_CALL flag to switch those mixed calls to pure alternative
> handling.
>
> This eliminates the need to be careful regarding the sequence of
> alternative and paravirt patching.
>
> Signed-off-by: Juergen Gross <jgross@...e.com>
> Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> ---
> V5:
> - remove no longer needed extern declarations from alternative.c
> (Boris Petkov)
> - add comment about ALTERNATIVE[_2]() macro usage (Boris Petkov)
> - rebase to tip/master (Boris Petkov)
> ---
> arch/x86/include/asm/alternative.h | 5 ++--
> arch/x86/include/asm/paravirt.h | 9 ++++--
> arch/x86/include/asm/paravirt_types.h | 40 +++++++++++++++------------
> arch/x86/kernel/alternative.c | 1 -
> arch/x86/kernel/callthunks.c | 17 ++++++------
> arch/x86/kernel/module.c | 20 ++++----------
> 6 files changed, 44 insertions(+), 48 deletions(-)
After this one: (.config is attached).
early console in setup code
[ 0.000000] Linux version 6.7.0-rc1+ (boris@zn) (gcc (Debian 12.2.0-9) 12.2.0, GNU ld (GNU Binutils for Debian) 2.41) #8 SMP PREEMPT_DYNAMIC Wed Dec 6 11:19:09 CET 2023
[ 0.000000] Command line: root=/dev/sda1 resume=/dev/sda2 debug ignore_loglevel log_buf_len=16M earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 no_console_suspend net.ifnames=0 debug-alternative=0x1
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdffff] usable
[ 0.000000] BIOS-e820: [mem 0x000000007ffe0000-0x000000007fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] printk: debug: ignoring loglevel setting.
[ 0.000000] printk: legacy bootconsole [earlyser0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] APIC: Static calls initialized
[ 0.000000] SMBIOS 2.8 present.
[ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000001] kvm-clock: using sched offset of 1530064946 cycles
[ 0.000675] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.002799] tsc: Detected 3699.996 MHz processor
[ 0.004360] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.005222] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.005940] last_pfn = 0x7ffe0 max_arch_pfn = 0x400000000
[ 0.006678] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.007750] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.011229] found SMP MP-table at [mem 0x000f5b80-0x000f5b8f]
[ 0.011979] Using GB pages for direct mapping
[ 0.012711] ACPI: Early table checksum verification disabled
[ 0.013441] ACPI: RSDP 0x00000000000F59C0 000014 (v00 BOCHS )
[ 0.014188] ACPI: RSDT 0x000000007FFE1E93 000034 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.015337] ACPI: FACP 0x000000007FFE1CCF 000074 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.016895] ACPI: DSDT 0x000000007FFE0040 001C8F (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.017997] ACPI: FACS 0x000000007FFE0000 000040
[ 0.018614] ACPI: APIC 0x000000007FFE1D43 0000F0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.019724] ACPI: HPET 0x000000007FFE1E33 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.020822] ACPI: WAET 0x000000007FFE1E6B 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.021921] ACPI: Reserving FACP table memory at [mem 0x7ffe1ccf-0x7ffe1d42]
[ 0.022836] ACPI: Reserving DSDT table memory at [mem 0x7ffe0040-0x7ffe1cce]
[ 0.023743] ACPI: Reserving FACS table memory at [mem 0x7ffe0000-0x7ffe003f]
[ 0.024649] ACPI: Reserving APIC table memory at [mem 0x7ffe1d43-0x7ffe1e32]
[ 0.025555] ACPI: Reserving HPET table memory at [mem 0x7ffe1e33-0x7ffe1e6a]
[ 0.026468] ACPI: Reserving WAET table memory at [mem 0x7ffe1e6b-0x7ffe1e92]
[ 0.027413] No NUMA configuration found
[ 0.027908] Faking a node at [mem 0x0000000000000000-0x000000007ffdffff]
[ 0.028771] NODE_DATA(0) allocated [mem 0x7ffde000-0x7ffdffff]
[ 0.029579] Zone ranges:
[ 0.029906] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.030761] DMA32 [mem 0x0000000001000000-0x000000007ffdffff]
[ 0.031554] Normal empty
[ 0.031850] Movable zone start for each node
[ 0.032257] Early memory node ranges
[ 0.032925] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.033527] node 0: [mem 0x0000000000100000-0x000000007ffdffff]
[ 0.034127] Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffdffff]
[ 0.037037] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.037187] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.059277] On node 0, zone DMA32: 32 pages in unavailable ranges
[ 0.060137] ACPI: PM-Timer IO Port: 0x608
[ 0.061128] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.061710] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.062439] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.063051] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.063695] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.064334] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.064993] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.066019] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.066651] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.067150] TSC deadline timer available
[ 0.067533] smpboot: Allowing 16 CPUs, 0 hotplug CPUs
[ 0.068031] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write()
[ 0.068719] kvm-guest: KVM setup pv remote TLB flush
[ 0.069211] kvm-guest: setup PV sched yield
[ 0.069623] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.070361] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.071087] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.071808] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.072536] [mem 0x80000000-0xfeffbfff] available for PCI devices
[ 0.073121] Booting paravirtualized kernel on KVM
[ 0.073578] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
[ 0.077806] setup_percpu: NR_CPUS:16 nr_cpumask_bits:16 nr_cpu_ids:16 nr_node_ids:1
[ 0.081707] percpu: Embedded 60 pages/cpu s208896 r8192 d28672 u262144
[ 0.082367] pcpu-alloc: s208896 r8192 d28672 u262144 alloc=1*2097152
[ 0.083338] pcpu-alloc: [0] 00 01 02 03 04 05 06 07 [0] 08 09 10 11 12 13 14 15
[ 0.084087] kvm-guest: PV spinlocks enabled
[ 0.084508] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.085251] Kernel command line: root=/dev/sda1 resume=/dev/sda2 debug ignore_loglevel log_buf_len=16M earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 no_console_suspend net.ifnames=0 debug-alternative=0x1
[ 0.087276] random: crng init done
[ 0.088913] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[ 0.090257] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 0.091093] Fallback order for Node 0: 0
[ 0.091100] Built 1 zonelists, mobility grouping on. Total pages: 515808
[ 0.092179] Policy zone: DMA32
[ 0.092484] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.096016] Memory: 1877780K/2096632K available (14336K kernel code, 116149K rwdata, 5240K rodata, 2864K init, 35484K bss, 218596K reserved, 0K cma-reserved)
[ 0.097598] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=16, Nodes=1
[ 0.098278] ftrace: allocating 38262 entries in 150 pages
[ 0.104138] ftrace: allocated 150 pages with 4 groups
[ 0.104716] Dynamic Preempt: full
[ 0.105101] rcu: Preemptible hierarchical RCU implementation.
[ 0.105679] Trampoline variant of Tasks RCU enabled.
[ 0.106184] Rude variant of Tasks RCU enabled.
[ 0.106689] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.109444] NR_IRQS: 4352, nr_irqs: 552, preallocated irqs: 16
[ 0.110209] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 0.119199] Console: colour VGA+ 80x25
[ 0.119575] printk: legacy console [tty0] enabled
[ 0.120169] printk: legacy bootconsole [earlyser0] disabled
[ 0.000000] Linux version 6.7.0-rc1+ (boris@zn) (gcc (Debian 12.2.0-9) 12.2.0, GNU ld (GNU Binutils for Debian) 2.41) #8 SMP PREEMPT_DYNAMIC Wed Dec 6 11:19:09 CET 2023
[ 0.000000] Command line: root=/dev/sda1 resume=/dev/sda2 debug ignore_loglevel log_buf_len=16M earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 no_console_suspend net.ifnames=0 debug-alternative=0x1
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdffff] usable
[ 0.000000] BIOS-e820: [mem 0x000000007ffe0000-0x000000007fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] printk: debug: ignoring loglevel setting.
[ 0.000000] printk: legacy bootconsole [earlyser0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] APIC: Static calls initialized
[ 0.000000] SMBIOS 2.8 present.
[ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000001] kvm-clock: using sched offset of 1530064946 cycles
[ 0.000675] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.002799] tsc: Detected 3699.996 MHz processor
[ 0.004360] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.005222] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.005940] last_pfn = 0x7ffe0 max_arch_pfn = 0x400000000
[ 0.006678] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.007750] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.011229] found SMP MP-table at [mem 0x000f5b80-0x000f5b8f]
[ 0.011979] Using GB pages for direct mapping
[ 0.012711] ACPI: Early table checksum verification disabled
[ 0.013441] ACPI: RSDP 0x00000000000F59C0 000014 (v00 BOCHS )
[ 0.014188] ACPI: RSDT 0x000000007FFE1E93 000034 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.015337] ACPI: FACP 0x000000007FFE1CCF 000074 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.016895] ACPI: DSDT 0x000000007FFE0040 001C8F (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.017997] ACPI: FACS 0x000000007FFE0000 000040
[ 0.018614] ACPI: APIC 0x000000007FFE1D43 0000F0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.019724] ACPI: HPET 0x000000007FFE1E33 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.020822] ACPI: WAET 0x000000007FFE1E6B 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.021921] ACPI: Reserving FACP table memory at [mem 0x7ffe1ccf-0x7ffe1d42]
[ 0.022836] ACPI: Reserving DSDT table memory at [mem 0x7ffe0040-0x7ffe1cce]
[ 0.023743] ACPI: Reserving FACS table memory at [mem 0x7ffe0000-0x7ffe003f]
[ 0.024649] ACPI: Reserving APIC table memory at [mem 0x7ffe1d43-0x7ffe1e32]
[ 0.025555] ACPI: Reserving HPET table memory at [mem 0x7ffe1e33-0x7ffe1e6a]
[ 0.026468] ACPI: Reserving WAET table memory at [mem 0x7ffe1e6b-0x7ffe1e92]
[ 0.027413] No NUMA configuration found
[ 0.027908] Faking a node at [mem 0x0000000000000000-0x000000007ffdffff]
[ 0.028771] NODE_DATA(0) allocated [mem 0x7ffde000-0x7ffdffff]
[ 0.029579] Zone ranges:
[ 0.029906] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.030761] DMA32 [mem 0x0000000001000000-0x000000007ffdffff]
[ 0.031554] Normal empty
[ 0.031850] Movable zone start for each node
[ 0.032257] Early memory node ranges
[ 0.032925] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.033527] node 0: [mem 0x0000000000100000-0x000000007ffdffff]
[ 0.034127] Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffdffff]
[ 0.037037] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.037187] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.059277] On node 0, zone DMA32: 32 pages in unavailable ranges
[ 0.060137] ACPI: PM-Timer IO Port: 0x608
[ 0.061128] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.061710] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.062439] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.063051] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.063695] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.064334] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.064993] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.066019] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.066651] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.067150] TSC deadline timer available
[ 0.067533] smpboot: Allowing 16 CPUs, 0 hotplug CPUs
[ 0.068031] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write()
[ 0.068719] kvm-guest: KVM setup pv remote TLB flush
[ 0.069211] kvm-guest: setup PV sched yield
[ 0.069623] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.070361] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.071087] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.071808] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.072536] [mem 0x80000000-0xfeffbfff] available for PCI devices
[ 0.073121] Booting paravirtualized kernel on KVM
[ 0.073578] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
[ 0.077806] setup_percpu: NR_CPUS:16 nr_cpumask_bits:16 nr_cpu_ids:16 nr_node_ids:1
[ 0.081707] percpu: Embedded 60 pages/cpu s208896 r8192 d28672 u262144
[ 0.082367] pcpu-alloc: s208896 r8192 d28672 u262144 alloc=1*2097152
[ 0.083338] pcpu-alloc: [0] 00 01 02 03 04 05 06 07 [0] 08 09 10 11 12 13 14 15
[ 0.084087] kvm-guest: PV spinlocks enabled
[ 0.084508] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.085251] Kernel command line: root=/dev/sda1 resume=/dev/sda2 debug ignore_loglevel log_buf_len=16M earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 no_console_suspend net.ifnames=0 debug-alternative=0x1
[ 0.087276] random: crng init done
[ 0.088913] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[ 0.090257] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 0.091093] Fallback order for Node 0: 0
[ 0.091100] Built 1 zonelists, mobility grouping on. Total pages: 515808
[ 0.092179] Policy zone: DMA32
[ 0.092484] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.096016] Memory: 1877780K/2096632K available (14336K kernel code, 116149K rwdata, 5240K rodata, 2864K init, 35484K bss, 218596K reserved, 0K cma-reserved)
[ 0.097598] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=16, Nodes=1
[ 0.098278] ftrace: allocating 38262 entries in 150 pages
[ 0.104138] ftrace: allocated 150 pages with 4 groups
[ 0.104716] Dynamic Preempt: full
[ 0.105101] rcu: Preemptible hierarchical RCU implementation.
[ 0.105679] Trampoline variant of Tasks RCU enabled.
[ 0.106184] Rude variant of Tasks RCU enabled.
[ 0.106689] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.109444] NR_IRQS: 4352, nr_irqs: 552, preallocated irqs: 16
[ 0.110209] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 0.119199] Console: colour VGA+ 80x25
[ 0.119575] printk: legacy console [tty0] enabled
[ 0.120169] printk: legacy bootconsole [earlyser0] disabled
[ 0.120888] printk: legacy console [ttyS0] enabled
[ 0.193214] ACPI: Core revision 20230628
[ 0.193834] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[ 0.195041] APIC: Switch to symmetric I/O mode setup
[ 0.195844] x2apic enabled
[ 0.196453] APIC: Switched APIC routing to: physical x2apic
[ 0.197169] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask()
[ 0.198075] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself()
[ 0.199236] kvm-guest: setup PV IPIs
[ 0.200612] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.201683] tsc: Marking TSC unstable due to TSCs unsynchronized
[ 0.202828] Calibrating delay loop (skipped) preset value.. 7399.99 BogoMIPS (lpj=14799984)
[ 0.208119] AMD Zen1 DIV0 bug detected. Disable SMT for full protection.
[ 0.209425] Last level iTLB entries: 4KB 512, 2MB 255, 4MB 127
[ 0.210826] Last level dTLB entries: 4KB 512, 2MB 255, 4MB 127, 1GB 0
[ 0.212028] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 0.213631] Spectre V2 : Mitigation: Retpolines
[ 0.214514] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 0.216052] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT
[ 0.217288] Spectre V2 : Enabling Speculation Barrier for firmware calls
[ 0.218530] RETBleed: Mitigation: untrained return thunk
[ 0.219619] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 0.221725] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 0.222826] Speculative Return Stack Overflow: IBPB-extending microcode not applied!
[ 0.224311] Speculative Return Stack Overflow: WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options.
[ 0.224312] Speculative Return Stack Overflow: Vulnerable: Safe RET, no microcode
[ 0.228269] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 0.230825] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 0.231999] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 0.233169] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 0.234308] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format.
[ 0.245557] SMP alternatives: alt table ffffffff89b2fe28, -> ffffffff89b47454
[ 0.246826] SMP alternatives: feat: 3*32+21, old: (start_kernel+0x43/0x6f0 (ffffffff898b79e3) len: 6), repl: (ffffffff89b47454, len: 5)
[ 0.248998] SMP alternatives: ffffffff82403da2: [5:6) optimized NOPs: e8 18 9c 1a f8 90
[ 0.250513] SMP alternatives: ffffffff898b79e3: old_insn: ff 15 2f 1c b7 f8
[ 0.251872] SMP alternatives: ffffffff89b47454: rpl_insn: e8 97 7e f1 f7
[ 0.253119] SMP alternatives: ffffffff898b79e3: final_insn: e8 18 9c 1a f8 90
[ 0.254828] SMP alternatives: feat: !8*32+16, old: (start_kernel+0x43/0x6f0 (ffffffff898b79e3) len: 6), repl: (ffffffff89b47459, len: 1)
[ 0.258827] SMP alternatives: ffffffff82403da2: [1:6) optimized NOPs: fa 0f 1f 44 00 00
[ 0.260331] SMP alternatives: ffffffff898b79e3: old_insn: e8 18 9c 1a f8 90
[ 0.261614] SMP alternatives: ffffffff89b47459: rpl_insn: fa
[ 0.262825] SMP alternatives: ffffffff898b79e3: final_insn: fa 0f 1f 44 00 00
[ 0.264110] SMP alternatives: feat: 3*32+21, old: (start_kernel+0x253/0x6f0 (ffffffff898b7bf3) len: 6), repl: (ffffffff89b4745a, len: 5)
[ 0.266290] SMP alternatives: ffffffff82403da2: [5:6) optimized NOPs: e8 e8 99 1a f8 90
[ 0.266825] SMP alternatives: ffffffff898b7bf3: old_insn: ff 15 17 1a b7 f8
[ 0.268108] SMP alternatives: ffffffff89b4745a: rpl_insn: e8 91 7e f1 f7
[ 0.269353] SMP alternatives: ffffffff898b7bf3: final_insn: e8 e8 99 1a f8 90
[ 0.270826] SMP alternatives: feat: !8*32+16, old: (start_kernel+0x253/0x6f0 (ffffffff898b7bf3) len: 6), repl: (ffffffff89b4745f, len: 2)
[ 0.273033] SMP alternatives: ffffffff82403da2: [2:6) optimized NOPs: 9c 58 0f 1f 40 00
[ 0.275988] SMP alternatives: ffffffff898b7bf3: old_insn: e8 e8 99 1a f8 90
[ 0.277270] SMP alternatives: ffffffff89b4745f: rpl_insn: 9c 58
[ 0.278388] SMP alternatives: ffffffff898b7bf3: final_insn: 9c 58 0f 1f 40 00
[ 0.279861] SMP alternatives: feat: 3*32+21, old: (start_kernel+0x2fc/0x6f0 (ffffffff898b7c9c) len: 6), repl: (ffffffff89b47461, len: 5)
[ 0.282052] SMP alternatives: ffffffff82403da2: [5:6) optimized NOPs: e8 3f 99 1a f8 90
[ 0.282826] SMP alternatives: ffffffff898b7c9c: old_insn: ff 15 6e 19 b7 f8
[ 0.284107] SMP alternatives: ffffffff89b47461: rpl_insn: e8 8a 7e f1 f7
[ 0.285350] SMP alternatives: ffffffff898b7c9c: final_insn: e8 3f 99 1a f8 90
[ 0.286826] SMP alternatives: feat: !8*32+16, old: (start_kernel+0x2fc/0x6f0 (ffffffff898b7c9c) len: 6), repl: (ffffffff89b47466, len: 2)
[ 0.289030] SMP alternatives: ffffffff82403da2: [2:6) optimized NOPs: 9c 58 0f 1f 40 00
[ 0.291987] SMP alternatives: ffffffff898b7c9c: old_insn: e8 3f 99 1a f8 90
[ 0.293268] SMP alternatives: ffffffff89b47466: rpl_insn: 9c 58
[ 0.294384] SMP alternatives: ffffffff898b7c9c: final_insn: 9c 58 0f 1f 40 00
[ 0.295861] SMP alternatives: feat: 3*32+21, old: (start_kernel+0x320/0x6f0 (ffffffff898b7cc0) len: 6), repl: (ffffffff89b47468, len: 5)
[ 0.298040] SMP alternatives: ffffffff82403da2: [5:6) optimized NOPs: e8 5b 99 1a f8 90
[ 0.298826] SMP alternatives: ffffffff898b7cc0: old_insn: ff 15 5a 19 b7 f8
[ 0.300110] SMP alternatives: ffffffff89b47468: rpl_insn: e8 83 7e f1 f7
[ 0.301355] SMP alternatives: ffffffff898b7cc0: final_insn: e8 5b 99 1a f8 90
[ 0.302826] SMP alternatives: feat: !8*32+16, old: (start_kernel+0x320/0x6f0 (ffffffff898b7cc0) len: 6), repl: (ffffffff89b4746d, len: 1)
[ 0.305553] SMP alternatives: ffffffff82403da2: [1:6) optimized NOPs: fb 0f 1f 44 00 00
[ 0.307998] SMP alternatives: ffffffff898b7cc0: old_insn: e8 5b 99 1a f8 90
[ 0.309282] SMP alternatives: ffffffff89b4746d: rpl_insn: fb
[ 0.310362] SMP alternatives: ffffffff898b7cc0: final_insn: fb 0f 1f 44 00 00
[ 0.311868] SMP alternatives: feat: 3*32+21, old: (start_kernel+0x641/0x6f0 (ffffffff898b7fe1) len: 6), repl: (ffffffff89b4746e, len: 5)
[ 0.314062] SMP alternatives: ffffffff82403da2: [5:6) optimized NOPs: e8 1a 96 1a f8 90
[ 0.314826] SMP alternatives: ffffffff898b7fe1: old_insn: ff 15 31 16 b7 f8
[ 0.316116] SMP alternatives: ffffffff89b4746e: rpl_insn: e8 7d 7e f1 f7
[ 0.317367] SMP alternatives: ffffffff898b7fe1: final_insn: e8 1a 96 1a f8 90
[ 0.318826] SMP alternatives: feat: !8*32+16, old: (start_kernel+0x641/0x6f0 (ffffffff898b7fe1) len: 6), repl: (ffffffff89b47473, len: 1)
[ 0.321548] SMP alternatives: ffffffff82403da2: [1:6) optimized NOPs: fa 0f 1f 44 00 00
[ 0.324001] SMP alternatives: ffffffff898b7fe1: old_insn: e8 1a 96 1a f8 90
[ 0.325283] SMP alternatives: ffffffff89b47473: rpl_insn: fa
[ 0.326357] SMP alternatives: ffffffff898b7fe1: final_insn: fa 0f 1f 44 00 00
[ 0.326826] SMP alternatives: feat: 3*32+21, old: (do_one_initcall+0x76/0x240 (ffffffff81001ac6) len: 6), repl: (ffffffff89b47474, len: 5)
[ 0.329053] SMP alternatives: ffffffff82403da2: [5:6) optimized NOPs: e8 15 fb a5 00 90
[ 0.330825] SMP alternatives: ffffffff81001ac6: old_insn: ff 15 44 7b 42 01
[ 0.332117] SMP alternatives: ffffffff89b47474: rpl_insn: e8 77 7e f1 f7
[ 0.333369] SMP alternatives: ffffffff81001ac6: final_insn: e8 15 fb a5 00 90
[ 0.334826] SMP alternatives: feat: !8*32+16, old: (do_one_initcall+0x76/0x240 (ffffffff81001ac6) len: 6), repl: (ffffffff89b47479, len: 2)
[ 0.337549] SMP alternatives: ffffffff82403da2: [2:6) optimized NOPs: 9c 58 0f 1f 40 00
[ 0.339987] SMP alternatives: ffffffff81001ac6: old_insn: e8 15 fb a5 00 90
[ 0.342827] SMP alternatives: ffffffff89b47479: rpl_insn: 9c 58
[ 0.344020] SMP alternatives: ffffffff81001ac6: final_insn: 9c 58 0f 1f 40 00
[ 0.346826] SMP alternatives: feat: 3*32+21, old: (do_one_initcall+0x1c0/0x240 (ffffffff81001c10) len: 6), repl: (ffffffff89b4747b, len: 5)
[ 0.349032] SMP alternatives: ffffffff82403da2: [5:6) optimized NOPs: e8 0b fa a5 00 90
[ 0.350826] SMP alternatives: ffffffff81001c10: old_insn: ff 15 0a 7a 42 01
[ 0.352102] SMP alternatives: ffffffff89b4747b: rpl_insn: e8 70 7e f1 f7
[ 0.353390] SMP alternatives: ffffffff81001c10: final_insn: e8 0b fa a5 00 90
[ 0.354826] SMP alternatives: feat: !8*32+16, old: (do_one_initcall+0x1c0/0x240 (ffffffff81001c10) len: 6), repl: (ffffffff89b47480, len: 1)
[ 0.357046] SMP alternatives: ffffffff82403da2: [1:6) optimized NOPs: fb 0f 1f 44 00 00
[ 0.358826] SMP alternatives: ffffffff81001c10: old_insn: e8 0b fa a5 00 90
[ 0.360841] SMP alternatives: ffffffff89b47480: rpl_insn: fb
[ 0.361925] SMP alternatives: ffffffff81001c10: final_insn: fb 0f 1f 44 00 00
[ 0.362826] SMP alternatives: feat: 3*32+21, old: (tdx_early_init+0x6e/0x160 (ffffffff898ba9be) len: 6), repl: (ffffffff89b47481, len: 5)
[ 0.365002] SMP alternatives: ffffffff82403da2: [5:6) optimized NOPs: e8 0d 62 7c f7 90
[ 0.366826] SMP alternatives: ffffffff898ba9be: old_insn: ff 15 0c ec b6 f8
[ 0.368108] SMP alternatives: ffffffff89b47481: rpl_insn: e8 6a 7e f1 f7
[ 0.369397] SMP alternatives: ffffffff898ba9be: final_insn: e8 0d 62 7c f7 90
[ 0.370826] SMP alternatives: feat: 3*32+21, old: (tdx_handle_virt_exception+0xb9/0x110 (ffffffff810032c9) len: 6), repl: (ffffffff89b47486, len: 5)
[ 0.373172] SMP alternatives: ffffffff82403da2: [5:6) optimized NOPs: e8 12 e3 a5 00 90
[ 0.374826] SMP alternatives: ffffffff810032c9: old_insn: ff 15 41 63 42 01
[ 0.377006] SMP alternatives: ffffffff89b47486: rpl_insn: e8 65 7e f1 f7
[ 0.378254] SMP alternatives: ffffffff810032c9: final_insn: e8 12 e3 a5 00 90
[ 0.378826] SMP alternatives: feat: !8*32+16, old: (tdx_handle_virt_exception+0xb9/0x110 (ffffffff810032c9) len: 6), repl: (ffffffff89b4748b, len: 2)
[ 0.381201] SMP alternatives: ffffffff82403da2: [2:6) optimized NOPs: 9c 58 0f 1f 40 00
[ 0.382826] SMP alternatives: ffffffff810032c9: old_insn: e8 12 e3 a5 00 90
[ 0.384119] SMP alternatives: ffffffff89b4748b: rpl_insn: 9c 58
[ 0.385235] SMP alternatives: ffffffff810032c9: final_insn: 9c 58 0f 1f 40 00
[ 0.386826] SMP alternatives: feat: 11*32+15, old: (entry_SYSCALL_64_after_hwframe+0x5a/0x77 (ffffffff81c000c2) len: 16), repl: (ffffffff89b4748d, len: 5)
[ 0.389268] SMP alternatives: ffffffff82403da2: [5:16) optimized NOPs: e8 19 29 e7 ff 66 66 2e 0f 1f 84 00 00 00 00 00
[ 0.390826] SMP alternatives: ffffffff81c000c2: old_insn: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 0.393312] SMP alternatives: ffffffff89b4748d: rpl_insn: e8 4e b5 f2 f7
[ 0.394826] SMP alternatives: ffffffff81c000c2: final_insn: e8 19 29 e7 ff 66 66 2e 0f 1f 84 00 00 00 00 00
[ 0.396621] SMP alternatives: ffffffff81c000c2: [5:16) optimized NOPs: e8 19 29 e7 ff 66 66 2e 0f 1f 84 00 00 00 00 00
[ 0.398826] SMP alternatives: ffffffff81c000c2: [5:16) optimized NOPs: e8 19 29 e7 ff 66 66 2e 0f 1f 84 00 00 00 00 00
[ 0.400824] SMP alternatives: feat: 7*32+19, old: (__switch_to_asm+0x2c/0x70 (ffffffff8100347c) len: 44), repl: (ffffffff89b474ac, len: 44)
[ 0.402828] SMP alternatives: ffffffff8100347c: old_insn: eb 2a 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 0.406825] SMP alternatives: ffffffff89b474ac: rpl_insn: 49 c7 c4 10 00 00 00 e8 01 00 00 00 cc e8 01 00 00 00 cc 48 83 c4 10 49 ff cc 75 eb 0f ae e8 65 48 c7 04 25 d0 03 03 00 ff ff ff ff
[ 0.410826] SMP alternatives: ffffffff8100347c: final_insn: 49 c7 c4 10 00 00 00 e8 01 00 00 00 cc e8 01 00 00 00 cc 48 83 c4 10 49 ff cc 75 eb 0f ae e8 65 48 c7 04 25 d0 03 03 00 ff ff ff ff
[ 0.413914] SMP alternatives: ffffffff810034c0: [0:10) optimized NOPs: 66 2e 0f 1f 84 00 00 00 00 00
[ 0.416156] SMP alternatives: feat: 11*32+15, old: (xen_error_entry+0x44/0x60 (ffffffff81c00174) len: 15), repl: (ffffffff89b474f1, len: 5)
[ 0.418827] SMP alternatives: ffffffff82403da2: [5:15) optimized NOPs: e8 67 28 e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.425545] SMP alternatives: ffffffff81c00174: old_insn: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 0.428204] SMP alternatives: ffffffff89b474f1: rpl_insn: e8 ea b4 f2 f7
[ 0.429464] SMP alternatives: ffffffff81c00174: final_insn: e8 67 28 e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.430827] SMP alternatives: ffffffff81c00174: [5:15) optimized NOPs: e8 67 28 e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.432821] SMP alternatives: ffffffff81c00174: [5:15) optimized NOPs: e8 67 28 e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.434826] SMP alternatives: feat: 9*32+20, old: (asm_exc_divide_error+0x4/0x20 (ffffffff81c00f94) len: 3), repl: (ffffffff89b4750a, len: 3)
[ 0.437088] SMP alternatives: ffffffff81c00f94: old_insn: 90 90 90
[ 0.438825] SMP alternatives: ffffffff89b4750a: rpl_insn: 0f 01 ca
[ 0.439984] SMP alternatives: ffffffff81c00f94: final_insn: 0f 01 ca
[ 0.441315] SMP alternatives: feat: 9*32+20, old: (asm_exc_overflow+0x4/0x20 (ffffffff81c00fb4) len: 3), repl: (ffffffff89b47512, len: 3)
[ 0.442826] SMP alternatives: ffffffff81c00fb4: old_insn: 90 90 90
[ 0.443986] SMP alternatives: ffffffff89b47512: rpl_insn: 0f 01 ca
[ 0.445167] SMP alternatives: ffffffff81c00fb4: final_insn: 0f 01 ca
[ 0.446827] SMP alternatives: feat: 9*32+20, old: (asm_exc_bounds+0x4/0x20 (ffffffff81c00fd4) len: 3), repl: (ffffffff89b4751a, len: 3)
[ 0.449001] SMP alternatives: ffffffff81c00fd4: old_insn: 90 90 90
[ 0.450825] SMP alternatives: ffffffff89b4751a: rpl_insn: 0f 01 ca
[ 0.451986] SMP alternatives: ffffffff81c00fd4: final_insn: 0f 01 ca
[ 0.453143] SMP alternatives: feat: 9*32+20, old: (asm_exc_device_not_available+0x4/0x20 (ffffffff81c00ff4) len: 3), repl: (ffffffff89b47522, len: 3)
[ 0.454826] SMP alternatives: ffffffff81c00ff4: old_insn: 90 90 90
[ 0.456288] SMP alternatives: ffffffff89b47522: rpl_insn: 0f 01 ca
[ 0.457456] SMP alternatives: ffffffff81c00ff4: final_insn: 0f 01 ca
[ 0.458827] SMP alternatives: feat: 9*32+20, old: (asm_exc_coproc_segment_overrun+0x4/0x20 (ffffffff81c01014) len: 3), repl: (ffffffff89b4752a, len: 3)
[ 0.461678] SMP alternatives: ffffffff81c01014: old_insn: 90 90 90
[ 0.462826] SMP alternatives: ffffffff89b4752a: rpl_insn: 0f 01 ca
[ 0.463985] SMP alternatives: ffffffff81c01014: final_insn: 0f 01 ca
[ 0.465144] SMP alternatives: feat: 9*32+20, old: (asm_exc_spurious_interrupt_bug+0x4/0x20 (ffffffff81c01034) len: 3), repl: (ffffffff89b47532, len: 3)
[ 0.466826] SMP alternatives: ffffffff81c01034: old_insn: 90 90 90
[ 0.467987] SMP alternatives: ffffffff89b47532: rpl_insn: 0f 01 ca
[ 0.469153] SMP alternatives: ffffffff81c01034: final_insn: 0f 01 ca
[ 0.471755] SMP alternatives: feat: 9*32+20, old: (asm_exc_coprocessor_error+0x4/0x20 (ffffffff81c01054) len: 3), repl: (ffffffff89b4753a, len: 3)
[ 0.474395] SMP alternatives: ffffffff81c01054: old_insn: 90 90 90
[ 0.474825] SMP alternatives: ffffffff89b4753a: rpl_insn: 0f 01 ca
[ 0.476398] SMP alternatives: ffffffff81c01054: final_insn: 0f 01 ca
[ 0.477566] SMP alternatives: feat: 9*32+20, old: (asm_exc_simd_coprocessor_error+0x4/0x20 (ffffffff81c01074) len: 3), repl: (ffffffff89b47542, len: 3)
[ 0.480796] SMP alternatives: ffffffff81c01074: old_insn: 90 90 90
[ 0.481956] SMP alternatives: ffffffff89b47542: rpl_insn: 0f 01 ca
[ 0.482825] SMP alternatives: ffffffff81c01074: final_insn: 0f 01 ca
[ 0.483984] SMP alternatives: feat: 9*32+20, old: (asm_exc_invalid_tss+0x4/0x30 (ffffffff81c01094) len: 3), repl: (ffffffff89b4754a, len: 3)
[ 0.486234] SMP alternatives: ffffffff81c01094: old_insn: 90 90 90
[ 0.487751] SMP alternatives: ffffffff89b4754a: rpl_insn: 0f 01 ca
[ 0.489199] SMP alternatives: ffffffff81c01094: final_insn: 0f 01 ca
[ 0.490368] SMP alternatives: feat: 9*32+20, old: (asm_exc_segment_not_present+0x4/0x30 (ffffffff81c010c4) len: 3), repl: (ffffffff89b47552, len: 3)
[ 0.492760] SMP alternatives: ffffffff81c010c4: old_insn: 90 90 90
[ 0.494262] SMP alternatives: ffffffff89b47552: rpl_insn: 0f 01 ca
[ 0.494826] SMP alternatives: ffffffff81c010c4: final_insn: 0f 01 ca
[ 0.495997] SMP alternatives: feat: 9*32+20, old: (asm_exc_stack_segment+0x4/0x30 (ffffffff81c010f4) len: 3), repl: (ffffffff89b4755a, len: 3)
[ 0.498826] SMP alternatives: ffffffff81c010f4: old_insn: 90 90 90
[ 0.499986] SMP alternatives: ffffffff89b4755a: rpl_insn: 0f 01 ca
[ 0.501147] SMP alternatives: ffffffff81c010f4: final_insn: 0f 01 ca
[ 0.502315] SMP alternatives: feat: 9*32+20, old: (asm_exc_general_protection+0x4/0x30 (ffffffff81c01124) len: 3), repl: (ffffffff89b47562, len: 3)
[ 0.505053] SMP alternatives: ffffffff81c01124: old_insn: 90 90 90
[ 0.506224] SMP alternatives: ffffffff89b47562: rpl_insn: 0f 01 ca
[ 0.506825] SMP alternatives: ffffffff81c01124: final_insn: 0f 01 ca
[ 0.507985] SMP alternatives: feat: 9*32+20, old: (asm_exc_alignment_check+0x4/0x30 (ffffffff81c01154) len: 3), repl: (ffffffff89b4756a, len: 3)
[ 0.510826] SMP alternatives: ffffffff81c01154: old_insn: 90 90 90
[ 0.511995] SMP alternatives: ffffffff89b4756a: rpl_insn: 0f 01 ca
[ 0.513158] SMP alternatives: ffffffff81c01154: final_insn: 0f 01 ca
[ 0.514827] SMP alternatives: feat: 9*32+20, old: (asm_exc_invalid_op+0x4/0x20 (ffffffff81c01184) len: 3), repl: (ffffffff89b47572, len: 3)
[ 0.517065] SMP alternatives: ffffffff81c01184: old_insn: 90 90 90
[ 0.518234] SMP alternatives: ffffffff89b47572: rpl_insn: 0f 01 ca
[ 0.518826] SMP alternatives: ffffffff81c01184: final_insn: 0f 01 ca
[ 0.520281] SMP alternatives: feat: 9*32+20, old: (asm_exc_int3+0x4/0x40 (ffffffff81c011a4) len: 3), repl: (ffffffff89b4757a, len: 3)
[ 0.522826] SMP alternatives: ffffffff81c011a4: old_insn: 90 90 90
[ 0.523990] SMP alternatives: ffffffff89b4757a: rpl_insn: 0f 01 ca
[ 0.525152] SMP alternatives: ffffffff81c011a4: final_insn: 0f 01 ca
[ 0.526826] SMP alternatives: feat: 9*32+20, old: (asm_exc_page_fault+0x4/0x30 (ffffffff81c011e4) len: 3), repl: (ffffffff89b47582, len: 3)
[ 0.529064] SMP alternatives: ffffffff81c011e4: old_insn: 90 90 90
[ 0.530231] SMP alternatives: ffffffff89b47582: rpl_insn: 0f 01 ca
[ 0.531754] SMP alternatives: ffffffff81c011e4: final_insn: 0f 01 ca
[ 0.532912] SMP alternatives: feat: 9*32+20, old: (asm_exc_machine_check+0x4/0x40 (ffffffff81c01214) len: 3), repl: (ffffffff89b4758a, len: 3)
[ 0.534826] SMP alternatives: ffffffff81c01214: old_insn: 90 90 90
[ 0.536268] SMP alternatives: ffffffff89b4758a: rpl_insn: 0f 01 ca
[ 0.537437] SMP alternatives: ffffffff81c01214: final_insn: 0f 01 ca
[ 0.538826] SMP alternatives: feat: 9*32+20, old: (asm_xenpv_exc_machine_check+0x4/0x20 (ffffffff81c01254) len: 3), repl: (ffffffff89b47592, len: 3)
[ 0.541186] SMP alternatives: ffffffff81c01254: old_insn: 90 90 90
[ 0.542353] SMP alternatives: ffffffff89b47592: rpl_insn: 0f 01 ca
[ 0.543752] SMP alternatives: ffffffff81c01254: final_insn: 0f 01 ca
[ 0.544923] SMP alternatives: feat: 9*32+20, old: (asm_xenpv_exc_nmi+0x4/0x20 (ffffffff81c01274) len: 3), repl: (ffffffff89b4759a, len: 3)
[ 0.546826] SMP alternatives: ffffffff81c01274: old_insn: 90 90 90
[ 0.547988] SMP alternatives: ffffffff89b4759a: rpl_insn: 0f 01 ca
[ 0.549163] SMP alternatives: ffffffff81c01274: final_insn: 0f 01 ca
[ 0.550826] SMP alternatives: feat: 9*32+20, old: (asm_exc_debug+0x4/0x40 (ffffffff81c01294) len: 3), repl: (ffffffff89b475a2, len: 3)
[ 0.553271] SMP alternatives: ffffffff81c01294: old_insn: 90 90 90
[ 0.554825] SMP alternatives: ffffffff89b475a2: rpl_insn: 0f 01 ca
[ 0.555990] SMP alternatives: ffffffff81c01294: final_insn: 0f 01 ca
[ 0.557151] SMP alternatives: feat: 9*32+20, old: (asm_xenpv_exc_debug+0x4/0x20 (ffffffff81c012d4) len: 3), repl: (ffffffff89b475aa, len: 3)
[ 0.558826] SMP alternatives: ffffffff81c012d4: old_insn: 90 90 90
[ 0.560387] SMP alternatives: ffffffff89b475aa: rpl_insn: 0f 01 ca
[ 0.561560] SMP alternatives: ffffffff81c012d4: final_insn: 0f 01 ca
[ 0.562826] SMP alternatives: feat: 9*32+20, old: (asm_exc_double_fault+0x4/0x30 (ffffffff81c012f4) len: 3), repl: (ffffffff89b475b2, len: 3)
[ 0.565090] SMP alternatives: ffffffff81c012f4: old_insn: 90 90 90
[ 0.566826] SMP alternatives: ffffffff89b475b2: rpl_insn: 0f 01 ca
[ 0.568287] SMP alternatives: ffffffff81c012f4: final_insn: 0f 01 ca
[ 0.569451] SMP alternatives: feat: 9*32+20, old: (asm_xenpv_exc_double_fault+0x4/0x30 (ffffffff81c01324) len: 3), repl: (ffffffff89b475b5, len: 3)
[ 0.570826] SMP alternatives: ffffffff81c01324: old_insn: 90 90 90
[ 0.571987] SMP alternatives: ffffffff89b475b5: rpl_insn: 0f 01 ca
[ 0.573153] SMP alternatives: ffffffff81c01324: final_insn: 0f 01 ca
[ 0.574826] SMP alternatives: feat: 9*32+20, old: (asm_exc_control_protection+0x4/0x30 (ffffffff81c01354) len: 3), repl: (ffffffff89b475bd, len: 3)
[ 0.577618] SMP alternatives: ffffffff81c01354: old_insn: 90 90 90
[ 0.578826] SMP alternatives: ffffffff89b475bd: rpl_insn: 0f 01 ca
[ 0.579991] SMP alternatives: ffffffff81c01354: final_insn: 0f 01 ca
[ 0.581152] SMP alternatives: feat: 9*32+20, old: (asm_exc_vmm_communication+0x4/0x60 (ffffffff81c01384) len: 3), repl: (ffffffff89b475c5, len: 3)
[ 0.582826] SMP alternatives: ffffffff81c01384: old_insn: 90 90 90
[ 0.583989] SMP alternatives: ffffffff89b475c5: rpl_insn: 0f 01 ca
[ 0.586826] SMP alternatives: ffffffff81c01384: final_insn: 0f 01 ca
[ 0.587987] SMP alternatives: feat: 9*32+20, old: (asm_exc_xen_hypervisor_callback+0x4/0x20 (ffffffff81c013e4) len: 3), repl: (ffffffff89b475cd, len: 3)
[ 0.590415] SMP alternatives: ffffffff81c013e4: old_insn: 90 90 90
[ 0.591752] SMP alternatives: ffffffff89b475cd: rpl_insn: 0f 01 ca
[ 0.593495] SMP alternatives: ffffffff81c013e4: final_insn: 0f 01 ca
[ 0.594665] SMP alternatives: feat: 9*32+20, old: (asm_exc_xen_unknown_trap+0x4/0x20 (ffffffff81c01404) len: 3), repl: (ffffffff89b475d5, len: 3)
[ 0.596730] SMP alternatives: ffffffff81c01404: old_insn: 90 90 90
[ 0.597896] SMP alternatives: ffffffff89b475d5: rpl_insn: 0f 01 ca
[ 0.598826] SMP alternatives: ffffffff81c01404: final_insn: 0f 01 ca
[ 0.600280] SMP alternatives: feat: 9*32+20, old: (asm_exc_virtualization_exception+0x4/0x20 (ffffffff81c01424) len: 3), repl: (ffffffff89b475dd, len: 3)
[ 0.602826] SMP alternatives: ffffffff81c01424: old_insn: 90 90 90
[ 0.603990] SMP alternatives: ffffffff89b475dd: rpl_insn: 0f 01 ca
[ 0.605152] SMP alternatives: ffffffff81c01424: final_insn: 0f 01 ca
[ 0.606826] SMP alternatives: feat: 9*32+20, old: (asm_common_interrupt+0x4/0x40 (ffffffff81c01444) len: 3), repl: (ffffffff89b475e5, len: 3)
[ 0.609082] SMP alternatives: ffffffff81c01444: old_insn: 90 90 90
[ 0.610826] SMP alternatives: ffffffff89b475e5: rpl_insn: 0f 01 ca
[ 0.611994] SMP alternatives: ffffffff81c01444: final_insn: 0f 01 ca
[ 0.613161] SMP alternatives: feat: 9*32+20, old: (asm_spurious_interrupt+0x4/0x30 (ffffffff81c01484) len: 3), repl: (ffffffff89b475ed, len: 3)
[ 0.614826] SMP alternatives: ffffffff81c01484: old_insn: 90 90 90
[ 0.616283] SMP alternatives: ffffffff89b475ed: rpl_insn: 0f 01 ca
[ 0.617453] SMP alternatives: ffffffff81c01484: final_insn: 0f 01 ca
[ 0.618826] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_error_interrupt+0x4/0x20 (ffffffff81c014b4) len: 3), repl: (ffffffff89b475f5, len: 3)
[ 0.621165] SMP alternatives: ffffffff81c014b4: old_insn: 90 90 90
[ 0.622825] SMP alternatives: ffffffff89b475f5: rpl_insn: 0f 01 ca
[ 0.623994] SMP alternatives: ffffffff81c014b4: final_insn: 0f 01 ca
[ 0.625157] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_spurious_apic_interrupt+0x4/0x20 (ffffffff81c014d4) len: 3), repl: (ffffffff89b475fd, len: 3)
[ 0.626826] SMP alternatives: ffffffff81c014d4: old_insn: 90 90 90
[ 0.628001] SMP alternatives: ffffffff89b475fd: rpl_insn: 0f 01 ca
[ 0.629168] SMP alternatives: ffffffff81c014d4: final_insn: 0f 01 ca
[ 0.631753] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_apic_timer_interrupt+0x4/0x20 (ffffffff81c014f4) len: 3), repl: (ffffffff89b47605, len: 3)
[ 0.634472] SMP alternatives: ffffffff81c014f4: old_insn: 90 90 90
[ 0.635754] SMP alternatives: ffffffff89b47605: rpl_insn: 0f 01 ca
[ 0.636914] SMP alternatives: ffffffff81c014f4: final_insn: 0f 01 ca
[ 0.638081] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_x86_platform_ipi+0x4/0x20 (ffffffff81c01514) len: 3), repl: (ffffffff89b4760d, len: 3)
[ 0.638826] SMP alternatives: ffffffff81c01514: old_insn: 90 90 90
[ 0.639988] SMP alternatives: ffffffff89b4760d: rpl_insn: 0f 01 ca
[ 0.642825] SMP alternatives: ffffffff81c01514: final_insn: 0f 01 ca
[ 0.646827] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_reschedule_ipi+0x4/0x20 (ffffffff81c01534) len: 3), repl: (ffffffff89b47615, len: 3)
[ 0.649454] SMP alternatives: ffffffff81c01534: old_insn: 90 90 90
[ 0.650628] SMP alternatives: ffffffff89b47615: rpl_insn: 0f 01 ca
[ 0.651753] SMP alternatives: ffffffff81c01534: final_insn: 0f 01 ca
[ 0.652916] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_reboot+0x4/0x20 (ffffffff81c01554) len: 3), repl: (ffffffff89b4761d, len: 3)
[ 0.654826] SMP alternatives: ffffffff81c01554: old_insn: 90 90 90
[ 0.655994] SMP alternatives: ffffffff89b4761d: rpl_insn: 0f 01 ca
[ 0.657161] SMP alternatives: ffffffff81c01554: final_insn: 0f 01 ca
[ 0.658826] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_call_function_single+0x4/0x20 (ffffffff81c01574) len: 3), repl: (ffffffff89b47625, len: 3)
[ 0.661680] SMP alternatives: ffffffff81c01574: old_insn: 90 90 90
[ 0.662826] SMP alternatives: ffffffff89b47625: rpl_insn: 0f 01 ca
[ 0.664275] SMP alternatives: ffffffff81c01574: final_insn: 0f 01 ca
[ 0.665439] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_call_function+0x4/0x20 (ffffffff81c01594) len: 3), repl: (ffffffff89b4762d, len: 3)
[ 0.666826] SMP alternatives: ffffffff81c01594: old_insn: 90 90 90
[ 0.667996] SMP alternatives: ffffffff89b4762d: rpl_insn: 0f 01 ca
[ 0.669160] SMP alternatives: ffffffff81c01594: final_insn: 0f 01 ca
[ 0.670826] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_threshold+0x4/0x20 (ffffffff81c015b4) len: 3), repl: (ffffffff89b47635, len: 3)
[ 0.673102] SMP alternatives: ffffffff81c015b4: old_insn: 90 90 90
[ 0.674826] SMP alternatives: ffffffff89b47635: rpl_insn: 0f 01 ca
[ 0.676443] SMP alternatives: ffffffff81c015b4: final_insn: 0f 01 ca
[ 0.677609] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_deferred_error+0x4/0x20 (ffffffff81c015d4) len: 3), repl: (ffffffff89b4763d, len: 3)
[ 0.678826] SMP alternatives: ffffffff81c015d4: old_insn: 90 90 90
[ 0.679987] SMP alternatives: ffffffff89b4763d: rpl_insn: 0f 01 ca
[ 0.682825] SMP alternatives: ffffffff81c015d4: final_insn: 0f 01 ca
[ 0.683991] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_thermal+0x4/0x20 (ffffffff81c015f4) len: 3), repl: (ffffffff89b47645, len: 3)
[ 0.686239] SMP alternatives: ffffffff81c015f4: old_insn: 90 90 90
[ 0.686825] SMP alternatives: ffffffff89b47645: rpl_insn: 0f 01 ca
[ 0.687992] SMP alternatives: ffffffff81c015f4: final_insn: 0f 01 ca
[ 0.689158] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_irq_work+0x4/0x20 (ffffffff81c01614) len: 3), repl: (ffffffff89b4764d, len: 3)
[ 0.690826] SMP alternatives: ffffffff81c01614: old_insn: 90 90 90
[ 0.692409] SMP alternatives: ffffffff89b4764d: rpl_insn: 0f 01 ca
[ 0.694825] SMP alternatives: ffffffff81c01614: final_insn: 0f 01 ca
[ 0.696291] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_kvm_posted_intr_ipi+0x4/0x20 (ffffffff81c01634) len: 3), repl: (ffffffff89b47655, len: 3)
[ 0.698826] SMP alternatives: ffffffff81c01634: old_insn: 90 90 90
[ 0.699988] SMP alternatives: ffffffff89b47655: rpl_insn: 0f 01 ca
[ 0.701151] SMP alternatives: ffffffff81c01634: final_insn: 0f 01 ca
[ 0.702319] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_kvm_posted_intr_wakeup_ipi+0x4/0x20 (ffffffff81c01654) len: 3), repl: (ffffffff89b4765d, len: 3)
[ 0.704899] SMP alternatives: ffffffff81c01654: old_insn: 90 90 90
[ 0.706072] SMP alternatives: ffffffff89b4765d: rpl_insn: 0f 01 ca
[ 0.706825] SMP alternatives: ffffffff81c01654: final_insn: 0f 01 ca
[ 0.707991] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_kvm_posted_intr_nested_ipi+0x4/0x20 (ffffffff81c01674) len: 3), repl: (ffffffff89b47665, len: 3)
[ 0.710826] SMP alternatives: ffffffff81c01674: old_insn: 90 90 90
[ 0.712298] SMP alternatives: ffffffff89b47665: rpl_insn: 0f 01 ca
[ 0.713492] SMP alternatives: ffffffff81c01674: final_insn: 0f 01 ca
[ 0.714828] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_acrn_hv_callback+0x4/0x20 (ffffffff81c01694) len: 3), repl: (ffffffff89b4766d, len: 3)
[ 0.717175] SMP alternatives: ffffffff81c01694: old_insn: 90 90 90
[ 0.718825] SMP alternatives: ffffffff89b4766d: rpl_insn: 0f 01 ca
[ 0.719995] SMP alternatives: ffffffff81c01694: final_insn: 0f 01 ca
[ 0.721158] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_xen_hvm_callback+0x4/0x20 (ffffffff81c016b4) len: 3), repl: (ffffffff89b47675, len: 3)
[ 0.722826] SMP alternatives: ffffffff81c016b4: old_insn: 90 90 90
[ 0.723990] SMP alternatives: ffffffff89b47675: rpl_insn: 0f 01 ca
[ 0.725587] SMP alternatives: ffffffff81c016b4: final_insn: 0f 01 ca
[ 0.727756] SMP alternatives: feat: 9*32+20, old: (asm_sysvec_kvm_asyncpf_interrupt+0x4/0x20 (ffffffff81c016d4) len: 3), repl: (ffffffff89b4767d, len: 3)
[ 0.730332] SMP alternatives: ffffffff81c016d4: old_insn: 90 90 90
[ 0.730826] SMP alternatives: ffffffff89b4767d: rpl_insn: 0f 01 ca
[ 0.731982] SMP alternatives: ffffffff81c016d4: final_insn: 0f 01 ca
[ 0.733140] SMP alternatives: ffffffff81c01717: [0:5) optimized NOPs: 0f 1f 44 00 00
[ 0.734826] SMP alternatives: ffffffff81c017f9: [0:3) optimized NOPs: 0f 1f 00
[ 0.736197] SMP alternatives: feat: 21*32+10, old: (asm_load_gs_index+0x17/0x40 (ffffffff81c01807) len: 7), repl: (ffffffff89b4768d, len: 7)
[ 0.738826] SMP alternatives: ffffffff81c01807: old_insn: 90 90 90 90 90 90 90
[ 0.740231] SMP alternatives: ffffffff89b4768d: rpl_insn: b8 2b 00 00 00 8e e8
[ 0.741636] SMP alternatives: ffffffff81c01807: final_insn: b8 2b 00 00 00 8e e8
[ 0.742826] SMP alternatives: feat: 9*32+0, old: (paranoid_entry+0x43/0xd0 (ffffffff81c01923) len: 2), repl: (ffffffff89b47694, len: 0)
[ 0.745297] SMP alternatives: ffffffff82403da2: [0:2) optimized NOPs: 66 90
[ 0.746826] SMP alternatives: ffffffff81c01923: old_insn: eb 24
[ 0.747942] SMP alternatives: ffffffff81c01923: final_insn: 66 90
[ 0.749055] SMP alternatives: feat: 11*32+5, old: (paranoid_entry+0x7e/0xd0 (ffffffff81c0195e) len: 3), repl: (ffffffff89b47694, len: 3)
[ 0.750826] SMP alternatives: ffffffff81c0195e: old_insn: 90 90 90
[ 0.751995] SMP alternatives: ffffffff89b47694: rpl_insn: 0f ae e8
[ 0.753168] SMP alternatives: ffffffff81c0195e: final_insn: 0f ae e8
[ 0.754826] SMP alternatives: feat: 11*32+15, old: (paranoid_entry+0xb2/0xd0 (ffffffff81c01992) len: 15), repl: (ffffffff89b47697, len: 5)
[ 0.757053] SMP alternatives: ffffffff82403da2: [5:15) optimized NOPs: e8 49 10 e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.758826] SMP alternatives: ffffffff81c01992: old_insn: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 0.761261] SMP alternatives: ffffffff89b47697: rpl_insn: e8 44 b3 f2 f7
[ 0.762826] SMP alternatives: ffffffff81c01992: final_insn: e8 49 10 e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.764572] SMP alternatives: ffffffff81c01992: [5:15) optimized NOPs: e8 49 10 e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.766826] SMP alternatives: ffffffff81c01992: [5:15) optimized NOPs: e8 49 10 e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.768742] SMP alternatives: feat: 9*32+0, old: (paranoid_exit+0x12/0x30 (ffffffff81c019c2) len: 2), repl: (ffffffff89b476b0, len: 0)
[ 0.770826] SMP alternatives: ffffffff82403da2: [0:2) optimized NOPs: 66 90
[ 0.772085] SMP alternatives: ffffffff81c019c2: old_insn: eb 0a
[ 0.773219] SMP alternatives: ffffffff81c019c2: final_insn: 66 90
[ 0.774826] SMP alternatives: ffffffff81c01a30: [0:3) optimized NOPs: 0f 1f 00
[ 0.776903] SMP alternatives: feat: 11*32+15, old: (error_entry+0x6c/0x120 (ffffffff81c01a4c) len: 15), repl: (ffffffff89b476b3, len: 5)
[ 0.778828] SMP alternatives: ffffffff82403da2: [5:15) optimized NOPs: e8 8f 0f e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.780732] SMP alternatives: ffffffff81c01a4c: old_insn: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 0.782825] SMP alternatives: ffffffff89b476b3: rpl_insn: e8 28 b3 f2 f7
[ 0.784084] SMP alternatives: ffffffff81c01a4c: final_insn: e8 8f 0f e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.785849] SMP alternatives: ffffffff81c01a4c: [5:15) optimized NOPs: e8 8f 0f e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.786826] SMP alternatives: ffffffff81c01a4c: [5:15) optimized NOPs: e8 8f 0f e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.788750] SMP alternatives: feat: 11*32+5, old: (error_entry+0xb3/0x120 (ffffffff81c01a93) len: 3), repl: (ffffffff89b476cc, len: 3)
[ 0.790826] SMP alternatives: ffffffff81c01a93: old_insn: 90 90 90
[ 0.791999] SMP alternatives: ffffffff89b476cc: rpl_insn: 0f ae e8
[ 0.794826] SMP alternatives: ffffffff81c01a93: final_insn: 0f ae e8
[ 0.795986] SMP alternatives: ffffffff81c01a96: [0:10) optimized NOPs: 66 2e 0f 1f 84 00 00 00 00 00
[ 0.797686] SMP alternatives: ffffffff81c01ab6: [0:3) optimized NOPs: 0f 1f 00
[ 0.798826] SMP alternatives: feat: 11*32+15, old: (error_entry+0xf2/0x120 (ffffffff81c01ad2) len: 15), repl: (ffffffff89b476dc, len: 5)
[ 0.801033] SMP alternatives: ffffffff82403da2: [5:15) optimized NOPs: e8 09 0f e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.802826] SMP alternatives: ffffffff81c01ad2: old_insn: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 0.804579] SMP alternatives: ffffffff89b476dc: rpl_insn: e8 ff b2 f2 f7
[ 0.806825] SMP alternatives: ffffffff81c01ad2: final_insn: e8 09 0f e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.808872] SMP alternatives: ffffffff81c01ad2: [5:15) optimized NOPs: e8 09 0f e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.810826] SMP alternatives: ffffffff81c01ad2: [5:15) optimized NOPs: e8 09 0f e7 ff 66 2e 0f 1f 84 00 00 00 00 00
[ 0.812745] SMP alternatives: feat: 3*32+21, old: (error_return+0x1/0x30 (ffffffff81c01b01) len: 12), repl: (ffffffff89b476f5, len: 5)
[ 0.814826] SMP alternatives: ALT_FLAG_DIRECT_CALL set for unrecognized indirect call
[ 0.816303] ------------[ cut here ]------------
[ 0.817179] kernel BUG at arch/x86/kernel/alternative.c:413!
[ 0.818830] invalid opcode: 0000 [#1] PREEMPT SMP
[ 0.819729] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.7.0-rc1+ #8
[ 0.820878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
[ 0.822429] RIP: 0010:apply_alternatives+0x45d/0x470
[ 0.822824] Code: 08 e9 8e fe ff ff 48 89 d8 e9 6a ff ff ff 48 c7 c7 08 13 20 82 e8 a3 e3 0d 00 90 0f 0b 48 c7 c7 60 13 20 82 e8 94 e3 0d 00 90 <0f> 0b e8 8c 46 a2 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90
[ 0.822824] RSP: 0000:ffffffff82403d78 EFLAGS: 00010286
[ 0.822824] RAX: 0000000000000049 RBX: ffffffff81c01b01 RCX: 00000000ffefffff
[ 0.822824] RDX: 00000000ffffffea RSI: ffffffff82403c50 RDI: 0000000000000001
[ 0.822824] RBP: 000000000000000f R08: 00000000ffefffff R09: 0000000000000058
[ 0.822824] R10: 00000000ffefffff R11: ffffffff8244e900 R12: ffffffff82403da2
[ 0.822824] R13: 000000000000000c R14: ffffffff89b476f5 R15: ffffffff89b30640
[ 0.822824] FS: 0000000000000000(0000) GS:ffff88807da00000(0000) knlGS:0000000000000000
[ 0.822824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.822824] CR2: ffff88800be01000 CR3: 0000000002419000 CR4: 00000000003506f0
[ 0.822824] Call Trace:
[ 0.822824] <TASK>
[ 0.822824] ? die+0x47/0xb0
[ 0.822824] ? do_trap+0x11a/0x150
[ 0.822824] ? apply_alternatives+0x45d/0x470
[ 0.822824] ? apply_alternatives+0x45d/0x470
[ 0.822824] ? exc_invalid_op+0xce/0x110
[ 0.822824] ? apply_alternatives+0x45d/0x470
[ 0.822824] ? asm_exc_invalid_op+0x1a/0x20
[ 0.822824] ? error_return+0x1/0x30
[ 0.822824] ? apply_alternatives+0x45d/0x470
[ 0.822824] ? apply_alternatives+0x45c/0x470
[ 0.822824] ? __x86_indirect_thunk_r15+0xa/0x20
[ 0.822824] ? srso_return_thunk+0x5/0x5f
[ 0.822824] ? apply_returns+0xbb/0x310
[ 0.822824] ? apply_retpolines+0x11c/0x4d0
[ 0.822824] ? __x86_indirect_thunk_r15+0xa/0x20
[ 0.822824] ? __x86_indirect_thunk_r15+0x19/0x20
[ 0.822824] ? __x86_indirect_thunk_r15+0xf/0x20
[ 0.822824] alternative_instructions+0x64/0x120
[ 0.822824] arch_cpu_finalize_init+0xe5/0x110
[ 0.822824] start_kernel+0x52c/0x6f0
[ 0.822824] ? __pfx_unknown_bootoption+0x10/0x10
[ 0.822824] x86_64_start_reservations+0x18/0x30
[ 0.822824] x86_64_start_kernel+0x82/0x90
[ 0.822824] secondary_startup_64_no_verify+0x16b/0x16b
[ 0.822824] </TASK>
[ 0.822824] Modules linked in:
[ 0.822829] ---[ end trace 0000000000000000 ]---
[ 0.823748] RIP: 0010:apply_alternatives+0x45d/0x470
[ 0.826827] Code: 08 e9 8e fe ff ff 48 89 d8 e9 6a ff ff ff 48 c7 c7 08 13 20 82 e8 a3 e3 0d 00 90 0f 0b 48 c7 c7 60 13 20 82 e8 94 e3 0d 00 90 <0f> 0b e8 8c 46 a2 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90
[ 0.830156] RSP: 0000:ffffffff82403d78 EFLAGS: 00010286
[ 0.831589] RAX: 0000000000000049 RBX: ffffffff81c01b01 RCX: 00000000ffefffff
[ 0.833177] RDX: 00000000ffffffea RSI: ffffffff82403c50 RDI: 0000000000000001
[ 0.834468] RBP: 000000000000000f R08: 00000000ffefffff R09: 0000000000000058
[ 0.834825] R10: 00000000ffefffff R11: ffffffff8244e900 R12: ffffffff82403da2
[ 0.836609] R13: 000000000000000c R14: ffffffff89b476f5 R15: ffffffff89b30640
[ 0.838828] FS: 0000000000000000(0000) GS:ffff88807da00000(0000) knlGS:0000000000000000
[ 0.840567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.841820] CR2: ffff88800be01000 CR3: 0000000002419000 CR4: 00000000003506f0
[ 0.842829] Kernel panic - not syncing: Attempted to kill the idle task!
[ 0.844288] ---[ end Kernel panic - not syncing: Attempted to kill the idle task! ]---
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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