xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] uml: redo console locking

Browse Source 
Fix some console locking problems (including scheduling in atomic) and various
reorderings and cleanup in that code.  Not yet ready for 2.6.12 probably.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Paolo 'Blaisorblade' Giarrusso
2005-05-01 08:58:56 -07:00
committed by Linus Torvalds
parent 80f9507886
commit b97b77cca6
5 changed files with 239 additions and 175 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
arch/um/drivers/ssl.c
View File

@@ -107,11 +107,6 @@ int ssl_open(struct tty_struct *tty, struct file *filp)
}
#if 0
static int ssl_chars_in_buffer(struct tty_struct *tty)
{
return(0);
}
static void ssl_flush_buffer(struct tty_struct *tty)
{
return;
@@ -149,11 +144,11 @@ static struct tty_operations ssl_ops = {
.put_char = line_put_char,
.write_room = line_write_room,
.chars_in_buffer = line_chars_in_buffer,
.flush_buffer = line_flush_buffer,
.flush_chars = line_flush_chars,
.set_termios = line_set_termios,
.ioctl = line_ioctl,
#if 0
.flush_chars = ssl_flush_chars,
.flush_buffer = ssl_flush_buffer,
.throttle = ssl_throttle,
.unthrottle = ssl_unthrottle,
.stop = ssl_stop,
@@ -171,10 +166,11 @@ static void ssl_console_write(struct console *c, const char *string,
unsigned len)
{
struct line *line = &serial_lines[c->index];
unsigned long flags;
down(&line->sem);
spin_lock_irqsave(&line->lock, flags);
console_write_chan(&line->chan_list, string, len);
up(&line->sem);
spin_unlock_irqrestore(&line->lock, flags);
}
static struct tty_driver *ssl_console_device(struct console *c, int *index)
@@ -238,14 +234,3 @@ static int ssl_chan_setup(char *str)
__setup("ssl", ssl_chan_setup);
__channel_help(ssl_chan_setup, "ssl");
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/