[tip: x86/alternatives] x86/alternatives: Remove 'smp_text_poke_batch_flush()'

From: tip-bot2 for Ingo Molnar
Date: Fri Apr 11 2025 - 06:02:35 EST


The following commit has been merged into the x86/alternatives branch of tip:

Commit-ID: 2c373ca0640f25361aee1bcf382fc8081830938e
Gitweb: https://git.kernel.org/tip/2c373ca0640f25361aee1bcf382fc8081830938e
Author: Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Fri, 11 Apr 2025 07:41:01 +02:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Fri, 11 Apr 2025 11:01:35 +02:00

x86/alternatives: Remove 'smp_text_poke_batch_flush()'

It only has a single user left, merge it into smp_text_poke_batch_add()
and remove the helper function.

Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Juergen Gross <jgross@xxxxxxxx>
Cc: "H . Peter Anvin" <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20250411054105.2341982-50-mingo@xxxxxxxxxx
---
arch/x86/kernel/alternative.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index cd828c2..c0be066 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -2831,14 +2831,6 @@ void smp_text_poke_batch_finish(void)
smp_text_poke_batch_process();
}

-static void smp_text_poke_batch_flush(void *addr)
-{
- lockdep_assert_held(&text_mutex);
-
- if (text_poke_array.nr_entries == TEXT_POKE_ARRAY_MAX || !text_poke_addr_ordered(addr))
- smp_text_poke_batch_process();
-}
-
/**
* smp_text_poke_batch_add() -- update instruction on live kernel on SMP, batched
* @addr: address to patch
@@ -2854,7 +2846,8 @@ static void smp_text_poke_batch_flush(void *addr)
*/
void __ref smp_text_poke_batch_add(void *addr, const void *opcode, size_t len, const void *emulate)
{
- smp_text_poke_batch_flush(addr);
+ if (text_poke_array.nr_entries == TEXT_POKE_ARRAY_MAX || !text_poke_addr_ordered(addr))
+ smp_text_poke_batch_process();
__smp_text_poke_batch_add(addr, opcode, len, emulate);
}