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Commit 0f5d0df3 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[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: default avatarRalf Baechle <ralf@linux-mips.org>
parent 41790e04

arch/mips/kernel/vpe.c

+18 −0
Original line number Diff line number Diff line
@@ -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),

	{}

};