Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 491847f3 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by David S. Miller
Browse files

tools/virtio: fix smp_mb on x86



Offset 128 overlaps the last word of the redzone.
Use 132 which is always beyond that.

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b4eab7de
Loading
Loading
Loading
Loading
+1 −1
Original line number Diff line number Diff line
@@ -111,7 +111,7 @@ static inline void busy_wait(void)
} 

#if defined(__x86_64__) || defined(__i386__)
#define smp_mb()     asm volatile("lock; addl $0,-128(%%rsp)" ::: "memory", "cc")
#define smp_mb()     asm volatile("lock; addl $0,-132(%%rsp)" ::: "memory", "cc")
#else
/*
 * Not using __ATOMIC_SEQ_CST since gcc docs say they are only synchronized