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Message-ID: <20230807135026.906384570@linutronix.de>
Date: Mon, 7 Aug 2023 15:52:47 +0200 (CEST)
From: Thomas Gleixner <tglx@...utronix.de>
To: LKML <linux-kernel@...r.kernel.org>
Cc: x86@...nel.org, Tom Lendacky <thomas.lendacky@....com>,
Andrew Cooper <andrew.cooper3@...rix.com>,
Arjan van de Ven <arjan@...ux.intel.com>,
Huang Rui <ray.huang@....com>, Juergen Gross <jgross@...e.com>,
Dimitri Sivanich <dimitri.sivanich@....com>,
Michael Kelley <mikelley@...rosoft.com>,
Sohil Mehta <sohil.mehta@...el.com>,
K Prateek Nayak <kprateek.nayak@....com>,
Kan Liang <kan.liang@...ux.intel.com>,
Zhang Rui <rui.zhang@...el.com>,
"Paul E. McKenney" <paulmck@...nel.org>,
Feng Tang <feng.tang@...el.com>,
Andy Shevchenko <andy@...radead.org>
Subject: [patch 09/53] x86/mpparse: Rename default_find_smp_config()
MPTABLE is not longer the default SMP configuration mechanism.
Rename it to mpparse_find_mptable() because that's what it does.
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
arch/x86/include/asm/mpspec.h | 13 ++++---------
arch/x86/include/asm/x86_init.h | 4 ++--
arch/x86/kernel/mpparse.c | 2 +-
arch/x86/kernel/setup.c | 6 ++----
arch/x86/kernel/x86_init.c | 2 +-
arch/x86/platform/ce4100/ce4100.c | 2 +-
arch/x86/platform/intel-mid/intel-mid.c | 2 +-
arch/x86/xen/smp_pv.c | 2 +-
8 files changed, 13 insertions(+), 20 deletions(-)
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -56,21 +56,16 @@ static inline void early_get_smp_config(
x86_init.mpparse.get_smp_config(1);
}
-static inline void find_smp_config(void)
-{
- x86_init.mpparse.find_smp_config();
-}
-
#ifdef CONFIG_X86_MPPARSE
extern void e820__memblock_alloc_reserved_mpc_new(void);
extern int enable_update_mptable;
-extern void default_find_smp_config(void);
+extern void mpparse_find_mptable(void);
extern void default_get_smp_config(unsigned int early);
#else
static inline void e820__memblock_alloc_reserved_mpc_new(void) { }
-#define enable_update_mptable 0
-#define default_find_smp_config x86_init_noop
-#define default_get_smp_config x86_init_uint_noop
+#define enable_update_mptable (0)
+#define mpparse_find_mptable x86_init_noop
+#define default_get_smp_config x86_init_uint_noop
#endif
int generic_processor_info(int apicid);
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -15,12 +15,12 @@ struct irq_domain;
/**
* struct x86_init_mpparse - platform specific mpparse ops
* @setup_ioapic_ids: platform specific ioapic id override
- * @find_smp_config: find the smp configuration
+ * @find_mptable: Find MPTABLE early to reserve the memory region
* @get_smp_config: get the smp configuration
*/
struct x86_init_mpparse {
void (*setup_ioapic_ids)(void);
- void (*find_smp_config)(void);
+ void (*find_mptable)(void);
void (*get_smp_config)(unsigned int early);
};
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -590,7 +590,7 @@ static int __init smp_scan_config(unsign
return ret;
}
-void __init default_find_smp_config(void)
+void __init mpparse_find_mptable(void)
{
unsigned int address;
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1101,10 +1101,8 @@ void __init setup_arch(char **cmdline_p)
high_memory = (void *)__va(max_pfn * PAGE_SIZE - 1) + 1;
#endif
- /*
- * Find and reserve possible boot-time SMP configuration:
- */
- find_smp_config();
+ /* Find and reserve MPTABLE area */
+ x86_init.mpparse.find_mptable();
early_alloc_pgt_buf();
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -70,7 +70,7 @@ struct x86_init_ops x86_init __initdata
.mpparse = {
.setup_ioapic_ids = x86_init_noop,
- .find_smp_config = default_find_smp_config,
+ .find_mptable = mpparse_find_mptable,
.get_smp_config = default_get_smp_config,
},
--- a/arch/x86/platform/ce4100/ce4100.c
+++ b/arch/x86/platform/ce4100/ce4100.c
@@ -138,7 +138,7 @@ void __init x86_ce4100_early_setup(void)
x86_init.oem.arch_setup = sdv_arch_setup;
x86_init.resources.probe_roms = x86_init_noop;
x86_init.mpparse.get_smp_config = x86_init_uint_noop;
- x86_init.mpparse.find_smp_config = x86_init_noop;
+ x86_init.mpparse.find_mptable = x86_init_noop;
x86_init.pci.init = ce4100_pci_init;
x86_init.pci.init_irq = sdv_pci_init;
--- a/arch/x86/platform/intel-mid/intel-mid.c
+++ b/arch/x86/platform/intel-mid/intel-mid.c
@@ -118,7 +118,7 @@ void __init x86_intel_mid_early_setup(vo
machine_ops.emergency_restart = intel_mid_reboot;
/* Avoid searching for BIOS MP tables */
- x86_init.mpparse.find_smp_config = x86_init_noop;
+ x86_init.mpparse.find_mptable = x86_init_noop;
x86_init.mpparse.get_smp_config = x86_init_uint_noop;
set_bit(MP_BUS_ISA, mp_bus_not_pci);
}
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -455,6 +455,6 @@ void __init xen_smp_init(void)
smp_ops = xen_smp_ops;
/* Avoid searching for BIOS MP tables */
- x86_init.mpparse.find_smp_config = x86_init_noop;
+ x86_init.mpparse.find_mptable = x86_init_noop;
x86_init.mpparse.get_smp_config = _get_smp_config;
}
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