diff options
| author | Christoph Lameter <clameter@sgi.com> | 2008-02-27 11:07:10 -0800 |
|---|---|---|
| committer | Christoph Lameter <clameter@sgi.com> | 2008-02-27 11:07:10 -0800 |
| commit | 9ef64cb4320df821638b508f79aa8b858cca99f0 (patch) | |
| tree | 4efbf0854234f89c6f4413077ec795fc669b5b0a /arch/mn10300/kernel/gdb-io-ttysm.c | |
| parent | 6f157c1d268d5888ca44c589dccd01729c4172f6 (diff) | |
| parent | 7704a8b6fc4a8f51599eb2af4dcf1e2ac9c7e576 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/mn10300/kernel/gdb-io-ttysm.c')
| -rw-r--r-- | arch/mn10300/kernel/gdb-io-ttysm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mn10300/kernel/gdb-io-ttysm.c b/arch/mn10300/kernel/gdb-io-ttysm.c index c5451592d40..e94c25e8ca0 100644 --- a/arch/mn10300/kernel/gdb-io-ttysm.c +++ b/arch/mn10300/kernel/gdb-io-ttysm.c @@ -196,6 +196,7 @@ 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; @@ -207,6 +208,7 @@ try_again: ch = gdbstub_rx_buffer[ix++]; st = gdbstub_rx_buffer[ix++]; + barrier(); gdbstub_rx_outp = ix & (PAGE_SIZE - 1); st &= SC01STR_RXF | SC01STR_RBF | SC01STR_FEF | SC01STR_PEF | |