[PATCH AUTOSEL 4.4 11/15] ARC: uacces: remove lp_start, lp_end from clobber list
From: Sasha Levin
Date: Wed Mar 13 2019 - 15:20:54 EST
From: Vineet Gupta <vgupta@xxxxxxxxxxxx>
[ Upstream commit d5e3c55e01d8b1774b37b4647c30fb22f1d39077 ]
Newer ARC gcc handles lp_start, lp_end in a different way and doesn't
like them in the clobber list.
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/arc/include/asm/uaccess.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index 57387b567f34..f077a419cb51 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -209,7 +209,7 @@ __arc_copy_from_user(void *to, const void __user *from, unsigned long n)
*/
"=&r" (tmp), "+r" (to), "+r" (from)
:
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");
return n;
}
@@ -438,7 +438,7 @@ __arc_copy_to_user(void __user *to, const void *from, unsigned long n)
*/
"=&r" (tmp), "+r" (to), "+r" (from)
:
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");
return n;
}
@@ -658,7 +658,7 @@ static inline unsigned long __arc_clear_user(void __user *to, unsigned long n)
" .previous \n"
: "+r"(d_char), "+r"(res)
: "i"(0)
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");
return res;
}
@@ -691,7 +691,7 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
" .previous \n"
: "+r"(res), "+r"(dst), "+r"(src), "=r"(val)
: "g"(-EFAULT), "r"(count)
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");
return res;
}
--
2.19.1