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authorDavid S. Miller <davem@davemloft.net>2008-12-16 05:03:50 +0100
committerDavid S. Miller <davem@davemloft.net>2008-12-16 05:03:50 +0100
commiteb14f019597cd86c21a6c601d7e900f40030c2e7 (patch)
tree36fb2f36a1747f98988f87215db1eef3a71d45eb /arch/mn10300/kernel/gdb-io-serial.c
parent8390/8390p: Fix compat netdev ops handling. (diff)
parentMerge master.kernel.org:/home/rmk/linux-2.6-arm (diff)
downloadlinux-eb14f019597cd86c21a6c601d7e900f40030c2e7.tar.xz
linux-eb14f019597cd86c21a6c601d7e900f40030c2e7.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/e1000e/ich8lan.c
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) {