From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools

---
 kernel/tools/testing/selftests/x86/mov_ss_trap.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/kernel/tools/testing/selftests/x86/mov_ss_trap.c b/kernel/tools/testing/selftests/x86/mov_ss_trap.c
index 3c3a022..6da0ac3 100644
--- a/kernel/tools/testing/selftests/x86/mov_ss_trap.c
+++ b/kernel/tools/testing/selftests/x86/mov_ss_trap.c
@@ -257,7 +257,8 @@
 			err(1, "sigaltstack");
 		sethandler(SIGSEGV, handle_and_longjmp, SA_RESETHAND | SA_ONSTACK);
 		nr = SYS_getpid;
-		asm volatile ("mov %[ss], %%ss; SYSENTER" : "+a" (nr)
+		/* Clear EBP first to make sure we segfault cleanly. */
+		asm volatile ("xorl %%ebp, %%ebp; mov %[ss], %%ss; SYSENTER" : "+a" (nr)
 			      : [ss] "m" (ss) : "flags", "rcx"
 #ifdef __x86_64__
 				, "r11"

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