[linux-safety] [PATCH 4/4] x86/mce: remove redundant call to irq_work_queue()

Paoloni, Gabriele
2020-11-18T15:16:34Z

Right now in do_machine_check() we have:
__mc_scan_banks()->mce_log()->irq_work_queue(&mce_irq_work)

hence the call of irq_work_queue() below after __mc_scan_banks()
seems redundant. Just remove it.

Signed-off-by: Gabriele Paoloni <gabriele.paoloni@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
---
arch/x86/kernel/cpu/mce/core.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index d16cbb05b09c..f2f7bfc60c67 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -1407,9 +1407,6 @@ noinstr void do_machine_check(struct pt_regs *regs)
}
}

- if (worst > 0)
- irq_work_queue(&mce_irq_work);
-
if (worst != MCE_AR_SEVERITY && !kill_it)
goto out;

--
2.20.1

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