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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-21 16:37:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-21 16:37:27 +0100 |
| commit | 77835492ed489c0b870f82f4c50687bd267acc0a (patch) | |
| tree | d80903ce1b8dd30aa44ccfc756616ad4d6c74d63 /drivers/char/hvc_console.c | |
| parent | af37501c792107c2bde1524bdae38d9a247b841a (diff) | |
| parent | 1de9e8e70f5acc441550ca75433563d91b269bbe (diff) | |
| download | linux-77835492ed489c0b870f82f4c50687bd267acc0a.tar.bz2 | |
Merge commit 'v2.6.29-rc2' into perfcounters/core
Conflicts:
include/linux/syscalls.h
Diffstat (limited to 'drivers/char/hvc_console.c')
| -rw-r--r-- | drivers/char/hvc_console.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 5a8a4c28c867..94e7e3c8c05a 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -318,7 +318,6 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) } /* else count == 0 */ tty->driver_data = hp; - tty->low_latency = 1; /* Makes flushes to ldisc synchronous. */ hp->tty = tty; @@ -764,13 +763,11 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int data, return ERR_PTR(err); } - hp = kmalloc(ALIGN(sizeof(*hp), sizeof(long)) + outbuf_size, + hp = kzalloc(ALIGN(sizeof(*hp), sizeof(long)) + outbuf_size, GFP_KERNEL); if (!hp) return ERR_PTR(-ENOMEM); - memset(hp, 0x00, sizeof(*hp)); - hp->vtermno = vtermno; hp->data = data; hp->ops = ops; @@ -876,8 +873,11 @@ static int hvc_init(void) goto stop_thread; } - /* FIXME: This mb() seems completely random. Remove it. */ - mb(); + /* + * Make sure tty is fully registered before allowing it to be + * found by hvc_console_device. + */ + smp_mb(); hvc_driver = drv; return 0; |