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[MIPS] RP: Sysfs interface for stopping RP program 

The old method of attempting to load a invalid program was just too icky.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2007-07-27 19:37:51 +01:00
parent 41790e04e6
commit 0f5d0df35e
1 changed files with 18 additions and 0 deletions
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18
arch/mips/kernel/vpe.c
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@ -1340,6 +1340,23 @@ static void kspd_sp_exit( int sp_id)
}
#endif
static ssize_t store_kill(struct class_device *dev, const char *buf, size_t len)
{
struct vpe *vpe = get_vpe(tclimit);
struct vpe_notifications *not;
list_for_each_entry(not, &vpe->notify, list) {
not->stop(tclimit);
}
release_progmem(vpe->load_addr);
cleanup_tc(get_tc(tclimit));
vpe_stop(vpe);
vpe_free(vpe);
return len;
}
static ssize_t show_ntcs(struct class_device *cd, char *buf)
{
struct vpe *vpe = get_vpe(tclimit);
@ -1369,6 +1386,7 @@ static ssize_t store_ntcs(struct class_device *dev, const char *buf, size_t len)
}
static struct class_device_attribute vpe_class_attributes[] = {
__ATTR(kill, S_IWUSR, NULL, store_kill),
__ATTR(ntcs, S_IRUGO | S_IWUSR, show_ntcs, store_ntcs),
{}
};