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Message-ID: <mhng-105d6a21-7483-4a20-a9e7-8e72770737d8@palmer-ri-x1c9>
Date: Fri, 22 Mar 2024 07:22:06 -0700 (PDT)
From: Palmer Dabbelt <palmer@...osinc.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
CC: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] RISC-V Patches for the 6.9 Merge Window
The following changes since commit e0fe5ab4192c171c111976dbe90bbd37d3976be0:
riscv: Fix pte_leaf_size() for NAPOT (2024-02-29 10:21:23 -0800)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git tags/riscv-for-linus-6.9-mw2
for you to fetch changes up to a9ad73295cc1e3af0253eee7d08943b2419444c4:
riscv: Fix syscall wrapper for >word-size arguments (2024-03-20 11:37:51 -0700)
----------------------------------------------------------------
RISC-V Patches for the 6.9 Merge Window
* Support for various vector-accelerated crypto routines.
* Hibernation is now enabled for portable kernel builds.
* mmap_rnd_bits_max is larger on systems with larger VAs.
* Support for fast GUP.
* Support for membarrier-based instruction cache synchronization.
* Support for the Andes hart-level interrupt controller and PMU.
* Some cleanups around unaligned access speed probing and Kconfig
settings.
* Support for ACPI LPI and CPPC.
* Various cleanus related to barriers.
* A handful of fixes.
----------------------------------------------------------------
Sorry this is so late, but we had a bit of churn this merge window that
resulted in a handful of build failures in master and I wanted to get
everything cleaned up before adding to the potential chaos (hence the -mw2 in
the tag, I never sent the -mw1 because stuff was a bit too broken). The fixes
have all landed upstream and everyone I know about who's running builders are
reporting this clean, so I think these should be pretty safe.
I don't have anything else planned for this merge window, unless something goes
off the rails again and there's a last-minute fix for a catastrophic issue.
We've already got a few fixes smaller starting to come in, but that's all just
regular -fixes type stuff so it'll be next week's material.
I have a pair of merge conflicts for this one. The Kconfig one is pretty
trivial. The bitops one comes from a tree-wide refactoring that happened to
conflict with some cleanups, it's a little hairy looking because of the inline
ASM but I think actually pretty simple. Here's my resolutions, in case that
helps any:
diff --cc arch/riscv/include/asm/bitops.h
index 329d8244a9b3,c4c2173dfe99..000000000000
--- a/arch/riscv/include/asm/bitops.h
+++ b/arch/riscv/include/asm/bitops.h
@@@ -37,10 -47,8 +47,8 @@@
static __always_inline unsigned long variable__ffs(unsigned long word)
{
- int num;
-
- asm_volatile_goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
- RISCV_ISA_EXT_ZBB, 1)
+ asm goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
- RISCV_ISA_EXT_ZBB, 1)
++ RISCV_ISA_EXT_ZBB, 1)
: : : : legacy);
asm volatile (".option push\n"
@@@ -93,10 -76,8 +76,8 @@@ legacy
static __always_inline unsigned long variable__fls(unsigned long word)
{
- int num;
-
- asm_volatile_goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
- RISCV_ISA_EXT_ZBB, 1)
+ asm goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
- RISCV_ISA_EXT_ZBB, 1)
++ RISCV_ISA_EXT_ZBB, 1)
: : : : legacy);
asm volatile (".option push\n"
@@@ -149,15 -105,13 +105,16 @@@ legacy
static __always_inline int variable_ffs(int x)
{
- int r;
-
- asm_volatile_goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
- RISCV_ISA_EXT_ZBB, 1)
+ if (!x)
+ return 0;
+
+ asm goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
- RISCV_ISA_EXT_ZBB, 1)
++ RISCV_ISA_EXT_ZBB, 1)
: : : : legacy);
+ if (!x)
+ return 0;
+
asm volatile (".option push\n"
".option arch,+zbb\n"
CTZW "%0, %1\n"
@@@ -204,15 -137,13 +140,16 @@@ legacy
static __always_inline int variable_fls(unsigned int x)
{
- int r;
-
- asm_volatile_goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
- RISCV_ISA_EXT_ZBB, 1)
+ if (!x)
+ return 0;
+
+ asm goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
- RISCV_ISA_EXT_ZBB, 1)
++ RISCV_ISA_EXT_ZBB, 1)
: : : : legacy);
+ if (!x)
+ return 0;
+
asm volatile (".option push\n"
".option arch,+zbb\n"
CLZW "%0, %1\n"
diff --cc drivers/perf/Kconfig
index 54ff5cc17ccd,564e813d8c69..000000000000
--- a/drivers/perf/Kconfig
+++ b/drivers/perf/Kconfig
@@@ -86,16 -86,20 +86,30 @@@ config RISCV_PMU_SB
full perf feature support i.e. counter overflow, privilege mode
filtering, counter configuration.
+ config ANDES_CUSTOM_PMU
+ bool "Andes custom PMU support"
+ depends on ARCH_RENESAS && RISCV_ALTERNATIVE && RISCV_PMU_SBI
+ default y
+ help
+ The Andes cores implement the PMU overflow extension very
+ similar to the standard Sscofpmf and Smcntrpmf extension.
+
+ This will patch the overflow and pending CSRs and handle the
+ non-standard behaviour via the regular SBI PMU driver and
+ interface.
+
+ If you don't know what to do here, say "Y".
+
+config STARFIVE_STARLINK_PMU
+ depends on ARCH_STARFIVE || COMPILE_TEST
+ depends on 64BIT
+ bool "StarFive StarLink PMU"
+ help
+ Provide support for StarLink Performance Monitor Unit.
+ StarLink Performance Monitor Unit integrates one or more cores with
+ an L3 memory system. The L3 cache events are added into perf event
+ subsystem, allowing monitoring of various L3 cache perf events.
+
config ARM_PMU_ACPI
depends on ARM_PMU && ACPI
def_bool y
----------------------------------------------------------------
Alexandre Ghiti (2):
riscv: Fix compilation error with FAST_GUP and rv32
riscv: Only flush the mm icache when setting an exec pte
Andrea Parri (4):
membarrier: riscv: Add full memory barrier in switch_mm()
membarrier: Create Documentation/scheduler/membarrier.rst
locking: Introduce prepare_sync_core_cmd()
membarrier: riscv: Provide core serializing command
Charlie Jenkins (7):
riscv: lib: Introduce has_fast_unaligned_access()
riscv: Only check online cpus for emulated accesses
riscv: Decouple emulated unaligned accesses from access speed
riscv: Set unaligned access speed at compile time
riscv: mm: Use hint address in mmap if available
selftests: riscv: Generalize mm selftests
docs: riscv: Define behavior of mmap
Clément Léger (1):
riscv: blacklist assembly symbols for kprobe
Conor Dooley (1):
Revert "RISC-V: mark hibernation as nonportable"
Drew Fustini (1):
riscv: defconfig: Enable mmc and dma drivers for T-Head TH1520
Eric Biggers (4):
RISC-V: add TOOLCHAIN_HAS_VECTOR_CRYPTO
RISC-V: fix check for zvkb with tip-of-tree clang
crypto: riscv - parallelize AES-CBC decryption
crypto: riscv - add vector crypto accelerated AES-CBC-CTS
Eric Chan (4):
riscv/barrier: Define __{mb,rmb,wmb}
riscv/barrier: Define RISCV_FULL_BARRIER
riscv/barrier: Consolidate fence definitions
riscv/barrier: Add missing space after ','
Erick Archer (1):
riscv: Use kcalloc() instead of kzalloc()
Heiko Stuebner (2):
RISC-V: add helper function to read the vector VLEN
RISC-V: hook new crypto subdir into build-system
Jerry Shih (7):
crypto: riscv - add vector crypto accelerated AES-{ECB,CBC,CTR,XTS}
crypto: riscv - add vector crypto accelerated ChaCha20
crypto: riscv - add vector crypto accelerated GHASH
crypto: riscv - add vector crypto accelerated SHA-{256,224}
crypto: riscv - add vector crypto accelerated SHA-{512,384}
crypto: riscv - add vector crypto accelerated SM3
crypto: riscv - add vector crypto accelerated SM4
Jisheng Zhang (3):
riscv: tlb: convert __p*d_free_tlb() to inline functions
riscv: enable MMU_GATHER_RCU_TABLE_FREE for SMP && MMU
riscv: enable HAVE_FAST_GUP if MMU
Leonardo Bras (5):
riscv: Improve arch_get_mmap_end() macro
riscv: Replace direct thread flag check with is_compat_task()
riscv: add compile-time test into is_compat_task()
riscv: Introduce is_compat_thread() into compat.h
riscv: Introduce set_compat_task() in asm/compat.h
Locus Wei-Han Chen (1):
riscv: andes: Support specifying symbolic firmware and hardware raw events
Masahiro Yamada (1):
riscv: remove unneeded #include <asm-generic/export.h>
Palmer Dabbelt (17):
Merge patch series "RISC-V crypto with reworked asm files"
Merge patch series "riscv: Increase mmap_rnd_bits_max on Sv48/57"
Merge patch series "riscv: support fast gup"
Merge patch series "membarrier: riscv: Core serializing command"
Merge commit '3aff0c459e77' into for-next
Merge tag 'irq-for-riscv-02-23-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into for-next
Merge patch series "Support Andes PMU extension"
Merge patch series "riscv: Use Kconfig to set unaligned access speed"
Merge patch "riscv: Fix compilation error with FAST_GUP and rv32"
Merge patch series "Support Andes PMU extension"
Merge patch series "riscv: Use Kconfig to set unaligned access speed"
Merge patch series "riscv: mm: Extend mappable memory up to hint address"
Merge patch series "riscv: Introduce compat-mode helpers & improve arch_get_mmap_end()"
Merge patch series "RISC-V: ACPI: Add LPI support"
Merge patch series "RISC-V: ACPI: Enable CPPC based cpufreq support"
Merge patch series "riscv/barrier: tidying up barrier-related macro"
Merge patch series "riscv: mm: Extend mappable memory up to hint address"
Sami Tolvanen (3):
mm: Change mmap_rnd_bits_max to __ro_after_init
riscv: mm: Update mmap_rnd_bits_max
riscv: Fix syscall wrapper for >word-size arguments
Song Shuai (2):
riscv: Support RANDOMIZE_KSTACK_OFFSET
riscv: vector: Fix a typo of preempt_v
Sunil V L (6):
cpuidle: RISC-V: Move few functions to arch/riscv
ACPI: RISC-V: Add LPI driver
ACPI: Enable ACPI_PROCESSOR for RISC-V
ACPI: RISC-V: Add CPPC driver
cpufreq: Move CPPC configs to common Kconfig and add RISC-V
RISC-V: defconfig: Enable CONFIG_ACPI_CPPC_CPUFREQ
Vincent Chen (1):
clocksource: extend the max_delta_ns of timer-riscv and timer-clint to ULONG_MAX
Wende Tan (1):
RISC-V: build: Allow LTO to be selected
Xiao Wang (1):
riscv: Avoid code duplication with generic bitops implementation
Yang Li (1):
RISC-V: Remove duplicated include in smpboot.c
Yu Chien Peter Lin (7):
riscv: errata: Rename defines for Andes
dt-bindings: riscv: Add Andes interrupt controller compatible string
riscv: dts: renesas: r9a07g043f: Update compatible string to use Andes INTC
perf: RISC-V: Eliminate redundant interrupt enable/disable operations
perf: RISC-V: Introduce Andes PMU to support perf event sampling
dt-bindings: riscv: Add Andes PMU extension description
riscv: dts: renesas: Add Andes PMU extension for r9a07g043f
Documentation/arch/riscv/vm-layout.rst | 16 +-
Documentation/devicetree/bindings/riscv/cpus.yaml | 6 +-
.../devicetree/bindings/riscv/extensions.yaml | 7 +
.../sched/membarrier-sync-core/arch-support.txt | 18 +-
Documentation/scheduler/index.rst | 1 +
Documentation/scheduler/membarrier.rst | 39 ++
MAINTAINERS | 4 +-
arch/riscv/Kbuild | 1 +
arch/riscv/Kconfig | 81 ++-
arch/riscv/Makefile | 5 +
arch/riscv/boot/dts/renesas/r9a07g043f.dtsi | 4 +-
arch/riscv/configs/defconfig | 3 +
arch/riscv/crypto/Kconfig | 93 +++
arch/riscv/crypto/Makefile | 23 +
arch/riscv/crypto/aes-macros.S | 156 +++++
arch/riscv/crypto/aes-riscv64-glue.c | 637 +++++++++++++++++++++
arch/riscv/crypto/aes-riscv64-zvkned-zvbb-zvkg.S | 312 ++++++++++
arch/riscv/crypto/aes-riscv64-zvkned-zvkb.S | 146 +++++
arch/riscv/crypto/aes-riscv64-zvkned.S | 339 +++++++++++
arch/riscv/crypto/chacha-riscv64-glue.c | 101 ++++
arch/riscv/crypto/chacha-riscv64-zvkb.S | 294 ++++++++++
arch/riscv/crypto/ghash-riscv64-glue.c | 168 ++++++
arch/riscv/crypto/ghash-riscv64-zvkg.S | 72 +++
arch/riscv/crypto/sha256-riscv64-glue.c | 137 +++++
.../crypto/sha256-riscv64-zvknha_or_zvknhb-zvkb.S | 225 ++++++++
arch/riscv/crypto/sha512-riscv64-glue.c | 133 +++++
arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S | 203 +++++++
arch/riscv/crypto/sm3-riscv64-glue.c | 112 ++++
arch/riscv/crypto/sm3-riscv64-zvksh-zvkb.S | 123 ++++
arch/riscv/crypto/sm4-riscv64-glue.c | 107 ++++
arch/riscv/crypto/sm4-riscv64-zvksed-zvkb.S | 117 ++++
arch/riscv/errata/andes/errata.c | 10 +-
arch/riscv/include/asm/asm.h | 10 +
arch/riscv/include/asm/atomic.h | 17 +-
arch/riscv/include/asm/barrier.h | 21 +-
arch/riscv/include/asm/bitops.h | 138 +----
arch/riscv/include/asm/cmpxchg.h | 5 +-
arch/riscv/include/asm/compat.h | 19 +
arch/riscv/include/asm/cpufeature.h | 31 +-
arch/riscv/include/asm/elf.h | 11 +-
arch/riscv/include/asm/errata_list.h | 13 +-
arch/riscv/include/asm/fence.h | 10 +-
arch/riscv/include/asm/hwcap.h | 1 +
arch/riscv/include/asm/io.h | 8 +-
arch/riscv/include/asm/membarrier.h | 50 ++
arch/riscv/include/asm/mmio.h | 5 +-
arch/riscv/include/asm/mmiowb.h | 2 +-
arch/riscv/include/asm/pgalloc.h | 53 +-
arch/riscv/include/asm/pgtable.h | 32 +-
arch/riscv/include/asm/processor.h | 31 +-
arch/riscv/include/asm/simd.h | 4 +-
arch/riscv/include/asm/suspend.h | 3 +
arch/riscv/include/asm/sync_core.h | 29 +
arch/riscv/include/asm/syscall_wrapper.h | 53 +-
arch/riscv/include/asm/tlb.h | 18 +
arch/riscv/include/asm/vector.h | 11 +
arch/riscv/include/asm/vendorid_list.h | 2 +-
arch/riscv/kernel/Makefile | 4 +-
arch/riscv/kernel/alternative.c | 2 +-
arch/riscv/kernel/cpufeature.c | 256 +--------
arch/riscv/kernel/entry.S | 3 +
arch/riscv/kernel/pi/Makefile | 3 +
arch/riscv/kernel/ptrace.c | 6 +-
arch/riscv/kernel/smpboot.c | 1 -
arch/riscv/kernel/suspend.c | 49 ++
arch/riscv/kernel/sys_hwprobe.c | 13 +
arch/riscv/kernel/traps.c | 17 +-
arch/riscv/kernel/traps_misaligned.c | 17 +-
arch/riscv/kernel/unaligned_access_speed.c | 281 +++++++++
arch/riscv/lib/csum.c | 7 +-
arch/riscv/lib/uaccess_vector.S | 1 -
arch/riscv/mm/cacheflush.c | 4 +-
arch/riscv/mm/context.c | 2 +
arch/riscv/mm/init.c | 6 +
arch/riscv/mm/pgtable.c | 2 +-
crypto/Kconfig | 3 +
drivers/acpi/Kconfig | 2 +-
drivers/acpi/riscv/Makefile | 4 +-
drivers/acpi/riscv/cppc.c | 157 +++++
drivers/acpi/riscv/cpuidle.c | 81 +++
drivers/clocksource/timer-clint.c | 2 +-
drivers/clocksource/timer-riscv.c | 2 +-
drivers/cpufreq/Kconfig | 29 +
drivers/cpufreq/Kconfig.arm | 26 -
drivers/cpuidle/cpuidle-riscv-sbi.c | 49 +-
drivers/irqchip/irq-riscv-intc.c | 82 ++-
drivers/perf/Kconfig | 14 +
drivers/perf/riscv_pmu_sbi.c | 37 +-
include/asm-generic/bitops/__ffs.h | 8 +-
include/asm-generic/bitops/__fls.h | 8 +-
include/asm-generic/bitops/ffs.h | 8 +-
include/asm-generic/bitops/fls.h | 8 +-
include/linux/mm.h | 2 +-
include/linux/soc/andes/irq.h | 18 +
include/linux/sync_core.h | 16 +-
init/Kconfig | 3 +
kernel/sched/core.c | 16 +-
kernel/sched/membarrier.c | 13 +-
mm/mmap.c | 2 +-
scripts/Kconfig.include | 2 +-
scripts/Makefile.compiler | 2 +-
.../pmu-events/arch/riscv/andes/ax45/firmware.json | 68 +++
.../arch/riscv/andes/ax45/instructions.json | 127 ++++
.../pmu-events/arch/riscv/andes/ax45/memory.json | 57 ++
.../arch/riscv/andes/ax45/microarch.json | 77 +++
tools/perf/pmu-events/arch/riscv/mapfile.csv | 1 +
tools/testing/selftests/riscv/mm/mmap_bottomup.c | 23 +-
tools/testing/selftests/riscv/mm/mmap_default.c | 23 +-
tools/testing/selftests/riscv/mm/mmap_test.h | 107 ++--
109 files changed, 5272 insertions(+), 749 deletions(-)
create mode 100644 Documentation/scheduler/membarrier.rst
create mode 100644 arch/riscv/crypto/Kconfig
create mode 100644 arch/riscv/crypto/Makefile
create mode 100644 arch/riscv/crypto/aes-macros.S
create mode 100644 arch/riscv/crypto/aes-riscv64-glue.c
create mode 100644 arch/riscv/crypto/aes-riscv64-zvkned-zvbb-zvkg.S
create mode 100644 arch/riscv/crypto/aes-riscv64-zvkned-zvkb.S
create mode 100644 arch/riscv/crypto/aes-riscv64-zvkned.S
create mode 100644 arch/riscv/crypto/chacha-riscv64-glue.c
create mode 100644 arch/riscv/crypto/chacha-riscv64-zvkb.S
create mode 100644 arch/riscv/crypto/ghash-riscv64-glue.c
create mode 100644 arch/riscv/crypto/ghash-riscv64-zvkg.S
create mode 100644 arch/riscv/crypto/sha256-riscv64-glue.c
create mode 100644 arch/riscv/crypto/sha256-riscv64-zvknha_or_zvknhb-zvkb.S
create mode 100644 arch/riscv/crypto/sha512-riscv64-glue.c
create mode 100644 arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S
create mode 100644 arch/riscv/crypto/sm3-riscv64-glue.c
create mode 100644 arch/riscv/crypto/sm3-riscv64-zvksh-zvkb.S
create mode 100644 arch/riscv/crypto/sm4-riscv64-glue.c
create mode 100644 arch/riscv/crypto/sm4-riscv64-zvksed-zvkb.S
create mode 100644 arch/riscv/include/asm/membarrier.h
create mode 100644 arch/riscv/include/asm/sync_core.h
create mode 100644 arch/riscv/kernel/unaligned_access_speed.c
create mode 100644 drivers/acpi/riscv/cppc.c
create mode 100644 drivers/acpi/riscv/cpuidle.c
create mode 100644 include/linux/soc/andes/irq.h
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json
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