[tip: objtool/core] x86/paravirt: Mark arch_local_irq_*() __always_inline

tip-bot2 for Peter Zijlstra
2021-09-15T15:49:48Z

The following commit has been merged into the objtool/core branch of tip:

Commit-ID: e9382440de18718fb6f878986c0844c30abc6f99
Gitweb: https://git.kernel.org/tip/e9382440de18718fb6f878986c0844c30abc6f99
Author: Peter Zijlstra <peterz@infradead.org>
AuthorDate: Thu, 24 Jun 2021 11:41:11 +02:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Wed, 15 Sep 2021 15:51:47 +02:00

x86/paravirt: Mark arch_local_irq_*() __always_inline

vmlinux.o: warning: objtool: lockdep_hardirqs_on()+0x72: call to arch_local_save_flags() leaves .noinstr.text section
vmlinux.o: warning: objtool: lockdep_hardirqs_off()+0x73: call to arch_local_save_flags() leaves .noinstr.text section
vmlinux.o: warning: objtool: match_held_lock()+0x11f: call to arch_local_save_flags() leaves .noinstr.text section

vmlinux.o: warning: objtool: lock_is_held_type()+0x4e: call to arch_local_irq_save() leaves .noinstr.text section

vmlinux.o: warning: objtool: lock_is_held_type()+0x65: call to arch_local_irq_disable() leaves .noinstr.text section

vmlinux.o: warning: objtool: lock_is_held_type()+0xfe: call to arch_local_irq_enable() leaves .noinstr.text section

It makes no sense to not inline these things.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20210624095148.373073648@infradead.org
---
arch/x86/include/asm/paravirt.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index da3a1ac..89a5322 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -678,23 +678,23 @@ bool __raw_callee_save___native_vcpu_is_preempted(long cpu);
((struct paravirt_callee_save) { func })

#ifdef CONFIG_PARAVIRT_XXL
-static inline notrace unsigned long arch_local_save_flags(void)
+static __always_inline unsigned long arch_local_save_flags(void)
{
return PVOP_ALT_CALLEE0(unsigned long, irq.save_fl, "pushf; pop %%rax;",
ALT_NOT(X86_FEATURE_XENPV));
}

-static inline notrace void arch_local_irq_disable(void)
+static __always_inline void arch_local_irq_disable(void)
{
PVOP_ALT_VCALLEE0(irq.irq_disable, "cli;", ALT_NOT(X86_FEATURE_XENPV));
}

-static inline notrace void arch_local_irq_enable(void)
+static __always_inline void arch_local_irq_enable(void)
{
PVOP_ALT_VCALLEE0(irq.irq_enable, "sti;", ALT_NOT(X86_FEATURE_XENPV));
}

-static inline notrace unsigned long arch_local_irq_save(void)
+static __always_inline unsigned long arch_local_irq_save(void)
{
unsigned long f;