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x86/alternatives: Rename 'bp_desc' to 'int3_desc'

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Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Juergen Gross <jgross@suse.com>
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250411054105.2341982-11-mingo@kernel.org
This commit is contained in:
Ingo Molnar 2025-04-11 07:40:22 +02:00
parent da364fc547
commit e84c31b9c9
1 changed files with 6 additions and 6 deletions
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12
arch/x86/kernel/alternative.c
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@ -2478,7 +2478,7 @@ struct text_poke_int3_vec {
static DEFINE_PER_CPU(atomic_t, text_poke_array_refs);
static struct text_poke_int3_vec bp_desc;
static struct text_poke_int3_vec int3_desc;
static __always_inline
struct text_poke_int3_vec *try_get_desc(void)
@ -2488,7 +2488,7 @@ struct text_poke_int3_vec *try_get_desc(void)
if (!raw_atomic_inc_not_zero(refs))
return NULL;
return &bp_desc;
return &int3_desc;
}
static __always_inline void put_desc(void)
@ -2527,7 +2527,7 @@ noinstr int smp_text_poke_int3_handler(struct pt_regs *regs)
/*
* Having observed our INT3 instruction, we now must observe
* bp_desc with non-zero refcount:
* int3_desc with non-zero refcount:
*
* text_poke_array_refs = 1 INT3
* WMB RMB
@ -2630,12 +2630,12 @@ static void smp_text_poke_batch_process(struct text_poke_loc *tp, unsigned int n
lockdep_assert_held(&text_mutex);
bp_desc.vec = tp;
bp_desc.nr_entries = nr_entries;
int3_desc.vec = tp;
int3_desc.nr_entries = nr_entries;
/*
* Corresponds to the implicit memory barrier in try_get_desc() to
* ensure reading a non-zero refcount provides up to date bp_desc data.
* ensure reading a non-zero refcount provides up to date int3_desc data.
*/
for_each_possible_cpu(i)
atomic_set_release(per_cpu_ptr(&text_poke_array_refs, i), 1);