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Merge branch 'x86/fpu' into x86/asm, to pick up fix

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Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2017-11-06 01:43:13 +01:00
commit 19c5787a5f
2 changed files with 11 additions and 41 deletions
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26
arch/x86/kernel/cpu/cpuid-deps.c
View File

@ -62,23 +62,19 @@ const static struct cpuid_dep cpuid_deps[] = {
{}
};
static inline void __clear_cpu_cap(struct cpuinfo_x86 *c, unsigned int bit)
{
clear_bit32(bit, c->x86_capability);
}
static inline void __setup_clear_cpu_cap(unsigned int bit)
{
clear_cpu_cap(&boot_cpu_data, bit);
set_bit32(bit, cpu_caps_cleared);
}
static inline void clear_feature(struct cpuinfo_x86 *c, unsigned int feature)
{
if (!c)
__setup_clear_cpu_cap(feature);
else
__clear_cpu_cap(c, feature);
/*
* Note: This could use the non atomic __*_bit() variants, but the
* rest of the cpufeature code uses atomics as well, so keep it for
* consistency. Cleanup all of it separately.
*/
if (!c) {
clear_cpu_cap(&boot_cpu_data, feature);
set_bit(feature, (unsigned long *)cpu_caps_cleared);
} else {
clear_bit(feature, (unsigned long *)c->x86_capability);
}
}
/* Take the capabilities and the BUG bits into account */

26
include/linux/bitops.h
View File

@ -227,32 +227,6 @@ static inline unsigned long __ffs64(u64 word)
return __ffs((unsigned long)word);
}
/*
* clear_bit32 - Clear a bit in memory for u32 array
* @nr: Bit to clear
* @addr: u32 * address of bitmap
*
* Same as clear_bit, but avoids needing casts for u32 arrays.
*/
static __always_inline void clear_bit32(long nr, volatile u32 *addr)
{
clear_bit(nr, (volatile unsigned long *)addr);
}
/*
* set_bit32 - Set a bit in memory for u32 array
* @nr: Bit to clear
* @addr: u32 * address of bitmap
*
* Same as set_bit, but avoids needing casts for u32 arrays.
*/
static __always_inline void set_bit32(long nr, volatile u32 *addr)
{
set_bit(nr, (volatile unsigned long *)addr);
}
#ifdef __KERNEL__
#ifndef set_mask_bits