openwrt/target/linux/ramips/patches-6.6/324-mt7621-perfctr-fix.patch
Mieczyslaw Nalewaj f19f8a886b kernel/ramips: Create kernel patches for v6.6 (from v6.1)
This is an automatically generated commit.

During a `git bisect` session, `git bisect --skip` is recommended.

Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
2024-04-05 07:58:15 +02:00

16 lines
355 B
Diff

--- a/arch/mips/ralink/irq-gic.c
+++ b/arch/mips/ralink/irq-gic.c
@@ -13,6 +13,12 @@
int get_c0_perfcount_int(void)
{
+ /*
+ * Performance counter events are routed through GIC.
+ * Prevent them from firing on CPU IRQ7 as well
+ */
+ clear_c0_status(IE_SW0 << 7);
+
return gic_get_c0_perfcount_int();
}
EXPORT_SYMBOL_GPL(get_c0_perfcount_int);