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[All] (testing) Bumpe kernel to 6.6.14

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j1nx
2024-02-05 16:41:40 +00:00
parent 4fc5231981
commit fffa51ff5f
231 changed files with 23132 additions and 8386 deletions
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52
buildroot-external/patches/linux/0024-preempt-Put-preempt_enable-within-an-instrumentation.patch Normal file
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@@ -0,0 +1,52 @@
From 537326d9f40fb9b84eb9df67a0f8da0b4deee025 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 8 Mar 2023 16:29:38 +0100
Subject: [PATCH 024/195] preempt: Put preempt_enable() within an
instrumentation*() section.
Callers of preempt_enable() can be within an noinstr section leading to:
| vmlinux.o: warning: objtool: native_sched_clock+0x97: call to preempt_schedule_notrace_thunk() leaves .noinstr.text section
| vmlinux.o: warning: objtool: kvm_clock_read+0x22: call to preempt_schedule_notrace_thunk() leaves .noinstr.text section
| vmlinux.o: warning: objtool: local_clock+0xb4: call to preempt_schedule_notrace_thunk() leaves .noinstr.text section
| vmlinux.o: warning: objtool: enter_from_user_mode+0xea: call to preempt_schedule_thunk() leaves .noinstr.text section
| vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x140: call to preempt_schedule_thunk() leaves .noinstr.text section
| vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0xf2: call to preempt_schedule_thunk() leaves .noinstr.text section
| vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0xea: call to preempt_schedule_thunk() leaves .noinstr.text section
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20230309072724.3F6zRkvw@linutronix.de
---
include/linux/preempt.h | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 9aa6358a1a16..cd16f0330fba 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -230,15 +230,21 @@ do { \
#define preempt_enable() \
do { \
barrier(); \
- if (unlikely(preempt_count_dec_and_test())) \
+ if (unlikely(preempt_count_dec_and_test())) { \
+ instrumentation_begin(); \
__preempt_schedule(); \
+ instrumentation_end(); \
+ } \
} while (0)
#define preempt_enable_notrace() \
do { \
barrier(); \
- if (unlikely(__preempt_count_dec_and_test())) \
+ if (unlikely(__preempt_count_dec_and_test())) { \
+ instrumentation_begin(); \
__preempt_schedule_notrace(); \
+ instrumentation_end(); \
+ } \
} while (0)
#define preempt_check_resched() \
--
2.43.0