| Message ID | 20200624123406.3472-1-saiprakash.ranjan@codeaurora.org (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | f4617be35b4b547e82d30993f56d631dfc2d5f88 |
| Headers | show |
| Series | arm64: kpti: Add KRYO{3, 4}XX silver CPU cores to kpti safelist | expand |
Hi, On Wed, Jun 24, 2020 at 5:34 AM Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> wrote: > > QCOM KRYO{3,4}XX silver/LITTLE CPU cores are based on Cortex-A55 > and are meltdown safe, hence add them to kpti_safe_list[]. > > Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> > --- > arch/arm64/kernel/cpufeature.c | 2 ++ > 1 file changed, 2 insertions(+) Reported-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Tested-by: Douglas Anderson <dianders@chromium.org>
On Wed, 24 Jun 2020 18:04:06 +0530, Sai Prakash Ranjan wrote: > QCOM KRYO{3,4}XX silver/LITTLE CPU cores are based on Cortex-A55 > and are meltdown safe, hence add them to kpti_safe_list[]. Applied to arm64 (for-next/fixes), thanks! [1/1] arm64: kpti: Add KRYO{3, 4}XX silver CPU cores to kpti safelist https://git.kernel.org/arm64/c/f4617be35b4b Cheers,
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 4ae41670c2e6..9f63053a63a9 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1290,6 +1290,8 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry, MIDR_ALL_VERSIONS(MIDR_CORTEX_A73), MIDR_ALL_VERSIONS(MIDR_HISI_TSV110), MIDR_ALL_VERSIONS(MIDR_NVIDIA_CARMEL), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_3XX_SILVER), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_SILVER), { /* sentinel */ } }; char const *str = "kpti command line option";
QCOM KRYO{3,4}XX silver/LITTLE CPU cores are based on Cortex-A55 and are meltdown safe, hence add them to kpti_safe_list[]. Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> --- arch/arm64/kernel/cpufeature.c | 2 ++ 1 file changed, 2 insertions(+) base-commit: cfafde3c949cae39483639c03c5da5fd91bb234e