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| author |   Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> | 2025-02-21 14:02:24 +0000 |
|---|---|---|
| committer |   Oliver Upton <oliver.upton@linux.dev> | 2025-02-26 13:29:44 -0800 |
| commit | e3121298c7fcaf488df8e61f50fced9a741c4c44 (patch) | |
| tree | 82788e918642612e5cd7c0118336e3c9a17bba20 /drivers/clocksource/arm_arch_timer.c | |
| parent | Linux 6.14-rc3 (diff) | |
| download | linux-rng-e3121298c7fcaf488df8e61f50fced9a741c4c44.tar.xz linux-rng-e3121298c7fcaf488df8e61f50fced9a741c4c44.zip | |
arm64: Modify _midr_range() functions to read MIDR/REVIDR internally
These changes lay the groundwork for adding support for guest kernels,
allowing them to leverage target CPU implementations provided by the
VMM.
No functional changes intended.
Suggested-by: Oliver Upton <oliver.upton@linux.dev>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20250221140229.12588-2-shameerali.kolothum.thodi@huawei.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'drivers/clocksource/arm_arch_timer.c')
| -rw-r--r-- | drivers/clocksource/arm_arch_timer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 808f259781fd..981a578043a5 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -842,7 +842,7 @@ static u64 __arch_timer_check_delta(void) {}, }; - if (is_midr_in_range_list(read_cpuid_id(), broken_cval_midrs)) { + if (is_midr_in_range_list(broken_cval_midrs)) { pr_warn_once("Broken CNTx_CVAL_EL1, using 31 bit TVAL instead.\n"); return CLOCKSOURCE_MASK(31); } |