From: Heiko Carstens <hca@linux.ibm.com>
Date: Fri, 10 Jan 2025 10:52:18 +0000 (+0100)
Subject: s390/extable: Replace open-coded sfpc inline assembly with fpu_sfpc()
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1d7a9719ba2dacac866bfa4fd17212d4dfc03bbe;p=users%2Fjedix%2Flinux-maple.git

s390/extable: Replace open-coded sfpc inline assembly with fpu_sfpc()

Use fpc_sfpc() instead of open-coding.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
---

diff --git a/arch/s390/mm/extable.c b/arch/s390/mm/extable.c
index 812ec5be12916..6e9a5e366ff39 100644
--- a/arch/s390/mm/extable.c
+++ b/arch/s390/mm/extable.c
@@ -7,6 +7,7 @@
 #include <linux/panic.h>
 #include <asm/asm-extable.h>
 #include <asm/extable.h>
+#include <asm/fpu.h>
 
 const struct exception_table_entry *s390_search_extables(unsigned long addr)
 {
@@ -79,7 +80,7 @@ static bool ex_handler_zeropad(const struct exception_table_entry *ex, struct pt
 
 static bool ex_handler_fpc(const struct exception_table_entry *ex, struct pt_regs *regs)
 {
-	asm volatile("sfpc	%[val]\n" : : [val] "d" (0));
+	fpu_sfpc(0);
 	regs->psw.addr = extable_fixup(ex);
 	return true;
 }