openwrt/target/linux/ramips/patches-6.1/324-mt7621-perfctr-fix.patch
Nick Hainke 0dcbe4e931 ramips: 6.1: copy config and patches
Copy config and patches from 5.15. This simplifies reviewing process.

Signed-off-by: Nick Hainke <vincent@systemli.org>
2024-02-10 13:06:05 +01:00

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);