summaryrefslogtreecommitdiff
path: root/arch/mn10300/kernel/gdb-io-serial.c
diff options
context:
space:
mode:
authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-22 17:34:26 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-22 17:34:26 +1100
commit27a0464a6cb837d3a90b6e69365dfc01cb0dff2f (patch)
tree361f00f4d4ad4c01b6144c52004bee2b948742ad /arch/mn10300/kernel/gdb-io-serial.c
parent4d9d4ebf5de848e3450e23e4db9ac74e23e5daa6 (diff)
parent3d44cc3e01ee1b40317f79ed54324e25c4f848df (diff)
[XFS] Fix merge conflict in fs/xfs/xfs_rename.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: fs/xfs/xfs_rename.c Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'arch/mn10300/kernel/gdb-io-serial.c')
-rw-r--r--arch/mn10300/kernel/gdb-io-serial.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mn10300/kernel/gdb-io-serial.c b/arch/mn10300/kernel/gdb-io-serial.c
index 9a6d4e8ebe73..11584c51acd9 100644
--- a/arch/mn10300/kernel/gdb-io-serial.c
+++ b/arch/mn10300/kernel/gdb-io-serial.c
@@ -99,6 +99,7 @@ int gdbstub_io_rx_char(unsigned char *_ch, int nonblock)
try_again:
/* pull chars out of the buffer */
ix = gdbstub_rx_outp;
+ barrier();
if (ix == gdbstub_rx_inp) {
if (nonblock)
return -EAGAIN;
@@ -110,6 +111,7 @@ int gdbstub_io_rx_char(unsigned char *_ch, int nonblock)
ch = gdbstub_rx_buffer[ix++];
st = gdbstub_rx_buffer[ix++];
+ barrier();
gdbstub_rx_outp = ix & 0x00000fff;
if (st & UART_LSR_BI) {