arm64: Switch to PMR masking when starting CPUs
hulk inclusion category: feature bugzilla: 9291 CVE: NA ported from https://lore.kernel.org/patchwork/patch/1037476/ -------------------------------- Once the boot CPU has been prepared or a new secondary CPU has been brought up, use ICC_PMR_EL1 to mask interrupts on that CPU and clear PSR.I bit. Since ICC_PMR_EL1 is initialized at CPU bringup, avoid overwriting it in the GICv3 driver. Signed-off-by: NJulien Thierry <julien.thierry@arm.com> Suggested-by: NDaniel Thompson <daniel.thompson@linaro.org> Acked-by: NMarc Zyngier <marc.zyngier@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: James Morse <james.morse@arm.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: NWei Li <liwei391@huawei.com> Reviewed-by: NHanjun Guo <guohanjun@huawei.com> Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
Showing
想要评论请 注册 或 登录