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| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-02-26 14:26:14 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-02-26 14:26:14 +1100 |
| commit | 91e229bbad6524aabaac8717b2f559283670c37a (patch) | |
| tree | 84a55e4ac2dcf23add97bd9fde3e9cb232c12b30 /arch/mn10300/kernel/gdb-io-ttysm.c | |
| parent | 6e5e93424dc66542c548dfaa3bfebe30d46d50dd (diff) | |
| parent | bfa274e2436fc7ef72ef51c878083647f1cfd429 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
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 | |