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x86/cacheinfo: Constify _cpuid4_info_regs instances

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_cpuid4_info_regs instances are passed through a large number of
functions at cacheinfo.c.  For clarity, constify the instance parameters
where _cpuid4_info_regs is only read from.

Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250324133324.23458-9-darwi@linutronix.de
This commit is contained in:
Ahmed S. Darwish 2025-03-24 14:33:03 +01:00 committed by Ingo Molnar
parent cf87582052
commit 7b83e0d2b2
1 changed files with 4 additions and 3 deletions
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7
arch/x86/kernel/cpu/cacheinfo.c
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@ -841,7 +841,7 @@ void init_intel_cacheinfo(struct cpuinfo_x86 *c)
}
static int __cache_amd_cpumap_setup(unsigned int cpu, int index,
struct _cpuid4_info_regs *base)
const struct _cpuid4_info_regs *base)
{
struct cpu_cacheinfo *this_cpu_ci;
struct cacheinfo *ci;
@ -898,7 +898,7 @@ static int __cache_amd_cpumap_setup(unsigned int cpu, int index,
}
static void __cache_cpumap_setup(unsigned int cpu, int index,
struct _cpuid4_info_regs *base)
const struct _cpuid4_info_regs *base)
{
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
struct cacheinfo *ci, *sibling_ci;
@ -933,7 +933,8 @@ static void __cache_cpumap_setup(unsigned int cpu, int index,
}
}
static void ci_info_init(struct cacheinfo *ci, struct _cpuid4_info_regs *base)
static void ci_info_init(struct cacheinfo *ci,
const struct _cpuid4_info_regs *base)
{
ci->id = base->id;
ci->attributes = CACHE_ID;