From: Uros Bizjak <ubizjak@gmail.com>
Date: Mon, 3 Mar 2025 15:54:22 +0000 (+0100)
Subject: x86/irq/32: Add missing clobber to inline asm
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=76f71137811a6dfa52b3e22a86a772e5753021d3;p=users%2Fjedix%2Flinux-maple.git

x86/irq/32: Add missing clobber to inline asm

i386 ABI declares %edx as a call-clobbered register.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250303155446.112769-2-ubizjak@gmail.com
---

diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index c4719c40252fc..eab458009f973 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -98,7 +98,7 @@ static inline int execute_on_irq_stack(int overflow, struct irq_desc *desc)
 		     "movl %[sp], %%esp"
 		     : "+a" (desc), [sp] "+b" (isp)
 		     : [thunk_target] "D" (desc->handle_irq)
-		     : "memory", "cc", "ecx");
+		     : "memory", "cc", "edx", "ecx");
 	return 1;
 }