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(parent: 7c16c02) | patch
arm64: proton-pack: Fix hard lockup when !MITIGATE_SPECTRE_BRANCH_HISTORY
authorJonathan Marek <jonathan@marek.ca>
Mon, 17 Nov 2025 05:12:08 +0000 (00:12 -0500)
committerWill Deacon <will@kernel.org>
Mon, 24 Nov 2025 13:31:50 +0000 (13:31 +0000)
commit165eb13e485c5c25c7cb276ac85f788a2bd200cb
treef5ba6d1ed6432cdf8a3aabaa70ab462d3777a27ctree
parent7c16c02e86081355a54c50c045b0caa172e72028commit | diff
arm64: proton-pack: Fix hard lockup when !MITIGATE_SPECTRE_BRANCH_HISTORY

The "drop print" commit removed the whole branch and not just the print.
For some ARM64 cpus, this leads to hard lockup when
CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY is not enabled.

Fixes: 62e72463ca71 ("arm64: proton-pack: Drop print when !CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Will Deacon <will@kernel.org>
arch/arm64/kernel/proton-pack.c diff | blob | history
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