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x86/alternatives: Simplify and clean up patch_cmp()

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- No need to cast over to 'struct smp_text_poke_loc *', void * is just fine
  for a binary search,

- Use the canonical (a, b) input parameter nomenclature of cmp_func_t
  functions and rename the input parameters from (tp, elt) to
  (tpl_a, tpl_b).

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/20250411054105.2341982-44-mingo@kernel.org
This commit is contained in:
Ingo Molnar
2025-04-11 07:40:55 +02:00
parent 6af9540379
commit 3e6f47573e
1 changed files with 3 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/x86/kernel/alternative.c
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@@ -2498,13 +2498,11 @@ static __always_inline void *text_poke_addr(const struct smp_text_poke_loc *tp)
return _stext + tp->rel_addr;
}
static __always_inline int patch_cmp(const void *key, const void *elt)
static __always_inline int patch_cmp(const void *tpl_a, const void *tpl_b)
{
struct smp_text_poke_loc *tp = (struct smp_text_poke_loc *) elt;
if (key < text_poke_addr(tp))
if (tpl_a < text_poke_addr(tpl_b))
return -1;
if (key > text_poke_addr(tp))
if (tpl_a > text_poke_addr(tpl_b))
return 1;
return 0;
}