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authorRalf Baechle <ralf@linux-mips.org>2007-07-27 19:37:51 +0100
committerRalf Baechle <ralf@linux-mips.org>2007-07-31 21:35:26 +0100
commit0f5d0df35ea9efe52242b9b3c79517cc50202e37 (patch)
treeb5b87edabbd07de0bc792cee161ae4039d12287d /arch/mips/kernel/vpe.c
parent41790e04e6656fa1aef205ad9a76ab4edbb5f14a (diff)
[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>
Diffstat (limited to 'arch/mips/kernel/vpe.c')
-rw-r--r--arch/mips/kernel/vpe.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 1323cb6d058..3c09b9785f4 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -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 @@ out_einval:
}
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),
{}
};