arm64: Add support for HIP09 Spectre-BHB mitigation

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The HIP09 processor is vulnerable to the Spectre-BHB (Branch History
Buffer) attack, which can be exploited to leak information through
branch prediction side channels. This commit adds the MIDR of HIP09
to the list for software mitigation.

Signed-off-by: Jinqian Yang <yangjinqian1@huawei.com>
Link: https://lore.kernel.org/r/20250325141900.2057314-1-yangjinqian1@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Jinqian Yang 2025-03-25 22:19:00 +08:00 • committed by Catalin Marinas

parent 0fff2aa96f

commit e18c09b204

2 changed files with 3 additions and 0 deletions

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arch/arm64/include/asm/cputype.h

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1

arch/arm64/kernel/proton-pack.c

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