Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH] x86/msr: fix wr/rdmsr_safe_regs_on_cpu prototype | Date | Mon, 22 Mar 2021 17:45:36 +0100 |
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From: Arnd Bergmann <arnd@arndb.de>
gcc-11 warns about mismatched prototypes here:
arch/x86/lib/msr-smp.c:255:51: error: argument 2 of type ‘u32 *’ {aka ‘unsigned int *’} declared as a pointer [-Werror=array-parameter=] 255 | int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs) | ~~~~~^~~~ In file included from arch/x86/include/asm/processor.h:22, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:58, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from arch/x86/lib/msr-smp.c:3: arch/x86/include/asm/msr.h:347:50: note: previously declared as an array ‘u32[8]’ {aka ‘unsigned int[8]’}
Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/x86/lib/msr-smp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c index 75a0915b0d01..40bbe56bde32 100644 --- a/arch/x86/lib/msr-smp.c +++ b/arch/x86/lib/msr-smp.c @@ -252,7 +252,7 @@ static void __wrmsr_safe_regs_on_cpu(void *info) rv->err = wrmsr_safe_regs(rv->regs); } -int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs) +int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]) { int err; struct msr_regs_info rv; @@ -265,7 +265,7 @@ int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs) } EXPORT_SYMBOL(rdmsr_safe_regs_on_cpu); -int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs) +int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]) { int err; struct msr_regs_info rv; -- 2.29.2
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