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x86/msr: Use u64 in rdmsrl_safe() and paravirt_read_pmc()

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The paravirt_read_pmc() result is in fact only loaded into an u64 variable.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Juergen Gross <jgross@suse.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Xin Li <xin@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ingo Molnar
2025-04-09 22:28:51 +02:00
parent 73bd1e01e9
commit cd905826cb
1 changed files with 2 additions and 2 deletions
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4
arch/x86/include/asm/paravirt.h
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@@ -231,7 +231,7 @@ static inline void wrmsrl(unsigned msr, u64 val)
_err; \
})
static inline int rdmsrl_safe(unsigned msr, unsigned long long *p)
static inline int rdmsrl_safe(unsigned msr, u64 *p)
{
int err;
@@ -239,7 +239,7 @@ static inline int rdmsrl_safe(unsigned msr, unsigned long long *p)
return err;
}
static inline unsigned long long paravirt_read_pmc(int counter)
static inline u64 paravirt_read_pmc(int counter)
{
return PVOP_CALL1(u64, cpu.read_pmc, counter);
}