Messages in this thread | | | From | Marc Zyngier <> | Subject | [PULL] clocksource/arch_timer: Errata workaround infrastructure rework | Date | Fri, 7 Apr 2017 14:59:21 +0100 |
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Hi Daniel,
Please find below the pull request for the arm64 architected timer workaround infrastructure. As discussed on the list, the first 5 patches are shared with the arm64 tree (and the whole branch is stable anyway).
Thanks,
M.
The following changes since commit 97da3854c526d3a6ee05c849c96e48d21527606c:
Linux 4.11-rc3 (2017-03-19 19:09:39 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git tags/arch-timer-errata
for you to fetch changes up to d003d029cea8a28139b4f9b88a36b8fac864f45b:
arm64: arch_timer: Add HISILICON_ERRATUM_161010101 ACPI matching data (2017-04-07 11:22:10 +0100)
---------------------------------------------------------------- arm64 arch timer workaround series, including the base patches that will also go via the arm64 tree.
---------------------------------------------------------------- Marc Zyngier (18): arm64: Allow checking of a CPU-local erratum arm64: Add CNTVCT_EL0 trap handler arm64: Define Cortex-A73 MIDR arm64: cpu_errata: Allow an erratum to be match for all revisions of a core arm64: cpu_errata: Add capability to advertise Cortex-A73 erratum 858921 arm64: arch_timer: Add infrastructure for multiple erratum detection methods arm64: arch_timer: Add erratum handler for CPU-specific capability arm64: arch_timer: Move arch_timer_reg_read/write around arm64: arch_timer: Get rid of erratum_workaround_set_sne arm64: arch_timer: Rework the set_next_event workarounds arm64: arch_timer: Make workaround methods optional arm64: arch_timer: Allows a CPU-specific erratum to only affect a subset of CPUs arm64: arch_timer: Move clocksource_counter and co around arm64: arch_timer: Save cntkctl_el1 as a per-cpu variable arm64: arch_timer: Enable CNTVCT_EL0 trap if workaround is enabled arm64: arch_timer: Workaround for Cortex-A73 erratum 858921 arm64: arch_timer: Allow erratum matching with ACPI OEM information arm64: arch_timer: Add HISILICON_ERRATUM_161010101 ACPI matching data
Documentation/arm64/silicon-errata.txt | 1 + arch/arm64/include/asm/arch_timer.h | 43 ++- arch/arm64/include/asm/cpucaps.h | 3 +- arch/arm64/include/asm/cputype.h | 2 + arch/arm64/include/asm/esr.h | 2 + arch/arm64/kernel/cpu_errata.c | 15 + arch/arm64/kernel/cpufeature.c | 13 +- arch/arm64/kernel/traps.c | 14 + drivers/clocksource/Kconfig | 11 + drivers/clocksource/arm_arch_timer.c | 535 +++++++++++++++++++++++---------- 10 files changed, 466 insertions(+), 173 deletions(-)
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