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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-20 09:23:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-20 09:23:28 +0100 |
| commit | 0ce1c383681370964e7f77dd44506aeb3a6ba657 (patch) | |
| tree | 75aa590c636feed7d110c03eddb56cc518fc034c /drivers/char/hvc_console.c | |
| parent | 0a2a18b721abc960fbcada406746877d22340a60 (diff) | |
| parent | 1de9e8e70f5acc441550ca75433563d91b269bbe (diff) | |
Merge commit 'v2.6.29-rc2' into x86/mm
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 5a8a4c28c86..94e7e3c8c05 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; |