Commit 719e5985 authored by Al Viro's avatar Al Viro Committed by Linus Torvalds
Browse files

[PATCH] alpha spinlock code and bogus constraints



"=m" (lock->lock) / "1" (lock->lock) makes gcc4 unhappy; fixed by s/1/m/,
same as in case of i386 rwsem.h where such variant had been accepted
by both Linus and rth.
Signed-off-by: default avatarAl Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 79fb7bdc
......@@ -1036,7 +1036,7 @@ debug_spin_lock(spinlock_t * lock, const char *base_file, int line_no)
" br 1b\n"
".previous"
: "=r" (tmp), "=m" (lock->lock), "=r" (stuck)
: "1" (lock->lock), "2" (stuck) : "memory");
: "m" (lock->lock), "2" (stuck) : "memory");
if (stuck < 0) {
printk(KERN_WARNING
......@@ -1115,7 +1115,7 @@ void _raw_write_lock(rwlock_t * lock)
".previous"
: "=m" (*(volatile int *)lock), "=&r" (regx), "=&r" (regy),
"=&r" (stuck_lock), "=&r" (stuck_reader)
: "0" (*(volatile int *)lock), "3" (stuck_lock), "4" (stuck_reader) : "memory");
: "m" (*(volatile int *)lock), "3" (stuck_lock), "4" (stuck_reader) : "memory");
if (stuck_lock < 0) {
printk(KERN_WARNING "write_lock stuck at %p\n", inline_pc);
......@@ -1153,7 +1153,7 @@ void _raw_read_lock(rwlock_t * lock)
" br 1b\n"
".previous"
: "=m" (*(volatile int *)lock), "=&r" (regx), "=&r" (stuck_lock)
: "0" (*(volatile int *)lock), "2" (stuck_lock) : "memory");
: "m" (*(volatile int *)lock), "2" (stuck_lock) : "memory");
if (stuck_lock < 0) {
printk(KERN_WARNING "read_lock stuck at %p\n", inline_pc);
......
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