From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/arch/powerpc/kernel/hw_breakpoint.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/kernel/arch/powerpc/kernel/hw_breakpoint.c b/kernel/arch/powerpc/kernel/hw_breakpoint.c
index f4e8f21..6e5bed5 100644
--- a/kernel/arch/powerpc/kernel/hw_breakpoint.c
+++ b/kernel/arch/powerpc/kernel/hw_breakpoint.c
@@ -479,11 +479,13 @@
struct arch_hw_breakpoint *info;
int i;
+ preempt_disable();
+
for (i = 0; i < nr_wp_slots(); i++) {
if (unlikely(tsk->thread.last_hit_ubp[i]))
goto reset;
}
- return;
+ goto out;
reset:
regs->msr &= ~MSR_SE;
@@ -492,6 +494,9 @@
__set_breakpoint(i, info);
tsk->thread.last_hit_ubp[i] = NULL;
}
+
+out:
+ preempt_enable();
}
static bool is_larx_stcx_instr(int type)
--
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