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sched: Fix KCSAN noinstr violation 

[ Upstream commit e0b081d17a ]

With KCSAN enabled, end_of_stack() can get out-of-lined.  Force it
inline.

Fixes the following warnings:

  vmlinux.o: warning: objtool: check_stackleak_irqoff+0x2b: call to end_of_stack() leaves .noinstr.text section

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/cc1b4d73d3a428a00d206242a68fdf99a934ca7b.1681320026.git.jpoimboe@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Josh Poimboeuf 2023-04-12 10:24:07 -07:00 committed by Greg Kroah-Hartman
parent be8c3c3ca9
commit 403da142de
1 changed files with 1 additions and 1 deletions
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2
include/linux/sched/task_stack.h
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@ -23,7 +23,7 @@ static inline void *task_stack_page(const struct task_struct *task)
#define setup_thread_stack(new,old) do { } while(0)
static inline unsigned long *end_of_stack(const struct task_struct *task)
static __always_inline unsigned long *end_of_stack(const struct task_struct *task)
{
#ifdef CONFIG_STACK_GROWSUP
return (unsigned long *)((unsigned long)task->stack + THREAD_SIZE) - 1;