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| author | Peter Zijlstra <peterz@infradead.org> | 2021-06-24 11:41:17 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-09-17 13:14:44 +0200 |
| commit | 20125c872a3f129cef7fdec2b7681da98502a55d (patch) | |
| tree | 1ad25b4483b6f95f98a7269dab7815aded23a1bf /arch/x86/kernel/irqflags.S | |
| parent | x86/xen: Make set_debugreg() noinstr (diff) | |
| download | linux-20125c872a3f129cef7fdec2b7681da98502a55d.tar.xz linux-20125c872a3f129cef7fdec2b7681da98502a55d.zip | |
x86/xen: Make save_fl() noinstr
vmlinux.o: warning: objtool: pv_ops[30]: native_save_fl
vmlinux.o: warning: objtool: pv_ops[30]: __raw_callee_save_xen_save_fl
vmlinux.o: warning: objtool: pv_ops[30]: xen_save_fl_direct
vmlinux.o: warning: objtool: lockdep_hardirqs_off()+0x73: call to pv_ops[30]() leaves .noinstr.text section
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20210624095148.749712274@infradead.org
Diffstat (limited to 'arch/x86/kernel/irqflags.S')
| -rw-r--r-- | arch/x86/kernel/irqflags.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/irqflags.S b/arch/x86/kernel/irqflags.S index 8ef35063964b..760e1f293093 100644 --- a/arch/x86/kernel/irqflags.S +++ b/arch/x86/kernel/irqflags.S @@ -7,9 +7,11 @@ /* * unsigned long native_save_fl(void) */ +.pushsection .noinstr.text, "ax" SYM_FUNC_START(native_save_fl) pushf pop %_ASM_AX ret SYM_FUNC_END(native_save_fl) +.popsection EXPORT_SYMBOL(native_save_fl) |