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Date:   Thu, 07 Mar 2019 12:45:18 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     torvalds@linux-foundation.org, tglx@linutronix.de, hpa@zytor.com,
        julien.thierry@arm.com, will.deacon@arm.com, luto@amacapital.net,
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Cc:     linux-kernel@vger.kernel.org, peterz@infradead.org,
        dvyukov@google.com, rostedt@goodmis.org
Subject: [PATCH 07/20] x86/uaccess: Always inline force_valid_ss()
References: <20190307114511.870090179@infradead.org>
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arch/x86/kernel/signal.o: warning: objtool: restore_sigcontext()+0x3cc: call to force_valid_ss.isra.5() with UACCESS enabled

XXX: move the callsite out of te AC=1 region instead?

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
 arch/x86/kernel/signal.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -71,7 +71,7 @@
  * alone.  Using this generally makes no sense unless
  * user_64bit_mode(regs) would return true.
  */
-static void force_valid_ss(struct pt_regs *regs)
+static __always_inline void force_valid_ss(struct pt_regs *regs)
 {
 	u32 ar;
 	asm volatile ("lar %[old_ss], %[ar]\n\t"