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Message-ID: <20230112195541.233779815@infradead.org>
Date: Thu, 12 Jan 2023 20:43:45 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: peterz@...radead.org
Cc: richard.henderson@...aro.org, ink@...assic.park.msu.ru,
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"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH v3 31/51] cpuidle,nospec: Make noinstr clean
vmlinux.o: warning: objtool: mwait_idle+0x47: call to mds_idle_clear_cpu_buffers() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_processor_ffh_cstate_enter+0xa2: call to mds_idle_clear_cpu_buffers() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle+0x91: call to mds_idle_clear_cpu_buffers() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_s2idle+0x8c: call to mds_idle_clear_cpu_buffers() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_irq+0xaa: call to mds_idle_clear_cpu_buffers() leaves .noinstr.text section
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Acked-by: Frederic Weisbecker <frederic@...nel.org>
Tested-by: Tony Lindgren <tony@...mide.com>
Tested-by: Ulf Hansson <ulf.hansson@...aro.org>
---
arch/x86/include/asm/nospec-branch.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -310,7 +310,7 @@ static __always_inline void mds_user_cle
*
* Clear CPU buffers if the corresponding static key is enabled
*/
-static inline void mds_idle_clear_cpu_buffers(void)
+static __always_inline void mds_idle_clear_cpu_buffers(void)
{
if (static_branch_likely(&mds_idle_clear))
mds_clear_cpu_buffers();
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