6.6-stable review patch. If anyone has any objections, please let me know.
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From: Josh Poimboeuf jpoimboe@kernel.org
[ Upstream commit 6309a5c43b0dc629851f25b2e5ef8beff61d08e5 ]
Thanks to CONFIG_DEBUG_SECTION_MISMATCH, empty functions can be generated out of line. rcu_irq_work_resched() can be called from noinstr code, so make sure it's always inlined.
Fixes: 564506495ca9 ("rcu/context-tracking: Move deferred nocb resched to context tracking") Reported-by: Randy Dunlap rdunlap@infradead.org Signed-off-by: Josh Poimboeuf jpoimboe@kernel.org Signed-off-by: Ingo Molnar mingo@kernel.org Cc: Frederic Weisbecker frederic@kernel.org Cc: Paul E. McKenney paulmck@kernel.org Cc: Linus Torvalds torvalds@linux-foundation.org Link: https://lore.kernel.org/r/e84f15f013c07e4c410d972e75620c53b62c1b3e.174348153... Closes: https://lore.kernel.org/d1eca076-fdde-484a-b33e-70e0d167c36d@infradead.org Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/rcupdate.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 7602d1f8a9ecb..72da69cc5764f 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -142,7 +142,7 @@ static inline void rcu_sysrq_end(void) { } #if defined(CONFIG_NO_HZ_FULL) && (!defined(CONFIG_GENERIC_ENTRY) || !defined(CONFIG_KVM_XFER_TO_GUEST_WORK)) void rcu_irq_work_resched(void); #else -static inline void rcu_irq_work_resched(void) { } +static __always_inline void rcu_irq_work_resched(void) { } #endif
#ifdef CONFIG_RCU_NOCB_CPU