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arm64: proton-pack: Drop print when !CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY

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Following the pattern established with other Spectre mitigations,
do not print a message when the CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY
Kconfig option is disabled.

Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: shechenglong <shechenglong@xfusion.com>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
shechenglong
2025-10-31 17:15:05 +08:00
committed by Will Deacon
parent 53357f14f9
commit 62e72463ca
1 changed files with 0 additions and 2 deletions
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2
arch/arm64/kernel/proton-pack.c
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@@ -1042,8 +1042,6 @@ void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *entry)
if (arm64_get_spectre_v2_state() == SPECTRE_VULNERABLE) { if (arm64_get_spectre_v2_state() == SPECTRE_VULNERABLE) {
/* No point mitigating Spectre-BHB alone. */ /* No point mitigating Spectre-BHB alone. */
} else if (!IS_ENABLED(CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY)) {
pr_info_once("spectre-bhb mitigation disabled by compile time option\n");
} else if (cpu_mitigations_off() || __nospectre_bhb) { } else if (cpu_mitigations_off() || __nospectre_bhb) {
pr_info_once("spectre-bhb mitigation disabled by command line option\n"); pr_info_once("spectre-bhb mitigation disabled by command line option\n");
} else if (supports_ecbhb(SCOPE_LOCAL_CPU)) { } else if (supports_ecbhb(SCOPE_LOCAL_CPU)) {