ARC: uacces: remove lp_start, lp_end from clobber list

BugLink: https://bugs.launchpad.net/bugs/1837952
[ 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@synopsys.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index c9173c02081c0c3c81e136e3ae226562f5505b8e..eabc3efa6c6ddf9ba97a3f1ca7cd7379d144e2d9 100644 (file)
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -207,7 +207,7 @@ raw_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;
        }
@@ -433,7 +433,7 @@ raw_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;
        }
@@ -653,7 +653,7 @@ 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;
 }
@@ -686,7 +686,7 @@ __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;
 }