| Message ID | 20200728092112.3865765-3-maz@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: Allow erratum 1418040 for late CPUs | expand |
On 2020-07-28 14:51, Marc Zyngier wrote: > As we can now switch from a system that isn't affected by 1418040 > to a system that globally is affected, let's allow affected CPUs > to come in at a later time. > > Signed-off-by: Marc Zyngier <maz@kernel.org> > --- > arch/arm64/kernel/cpu_errata.c | 2 ++ > 1 file changed, 2 insertions(+) > Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> Thanks, Sai
Quoting Marc Zyngier (2020-07-28 02:21:12) > As we can now switch from a system that isn't affected by 1418040 > to a system that globally is affected, let's allow affected CPUs > to come in at a later time. > > Signed-off-by: Marc Zyngier <maz@kernel.org> > --- Reviewed-by: Stephen Boyd <swboyd@chromium.org>
On 07/28/2020 10:21 AM, Marc Zyngier wrote: > As we can now switch from a system that isn't affected by 1418040 > to a system that globally is affected, let's allow affected CPUs > to come in at a later time. > > Signed-off-by: Marc Zyngier <maz@kernel.org> > --- > arch/arm64/kernel/cpu_errata.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c > index 79728bfb5351..2c0b82db825b 100644 > --- a/arch/arm64/kernel/cpu_errata.c > +++ b/arch/arm64/kernel/cpu_errata.c > @@ -910,6 +910,8 @@ const struct arm64_cpu_capabilities arm64_errata[] = { > .desc = "ARM erratum 1418040", > .capability = ARM64_WORKAROUND_1418040, > ERRATA_MIDR_RANGE_LIST(erratum_1418040_list), > + .type = (ARM64_CPUCAP_SCOPE_LOCAL_CPU | > + ARM64_CPUCAP_PERMITTED_FOR_LATE_CPU), > }, > #endif > #ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT > Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 79728bfb5351..2c0b82db825b 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -910,6 +910,8 @@ const struct arm64_cpu_capabilities arm64_errata[] = { .desc = "ARM erratum 1418040", .capability = ARM64_WORKAROUND_1418040, ERRATA_MIDR_RANGE_LIST(erratum_1418040_list), + .type = (ARM64_CPUCAP_SCOPE_LOCAL_CPU | + ARM64_CPUCAP_PERMITTED_FOR_LATE_CPU), }, #endif #ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT
As we can now switch from a system that isn't affected by 1418040 to a system that globally is affected, let's allow affected CPUs to come in at a later time. Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/kernel/cpu_errata.c | 2 ++ 1 file changed, 2 insertions(+)