6.8-stable review patch. If anyone has any objections, please let me know.
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From: Daniel Sneddon daniel.sneddon@linux.intel.com
commit 04f4230e2f86a4e961ea5466eda3db8c1762004d upstream.
The definition of spectre_bhi_state() incorrectly returns a const char * const. This causes the a compiler warning when building with W=1:
warning: type qualifiers ignored on function return type [-Wignored-qualifiers] 2812 | static const char * const spectre_bhi_state(void)
Remove the const qualifier from the pointer.
Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob") Reported-by: Sean Christopherson seanjc@google.com Signed-off-by: Daniel Sneddon daniel.sneddon@linux.intel.com Signed-off-by: Ingo Molnar mingo@kernel.org Cc: Linus Torvalds torvalds@linux-foundation.org Link: https://lore.kernel.org/r/20240409230806.1545822-1-daniel.sneddon@linux.inte... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kernel/cpu/bugs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -2808,7 +2808,7 @@ static char *pbrsb_eibrs_state(void) } }
-static const char * const spectre_bhi_state(void) +static const char *spectre_bhi_state(void) { if (!boot_cpu_has_bug(X86_BUG_BHI)) return "; BHI: Not affected";