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GHES: Elliminate double-loop in the NMI handler

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There's no real need to iterate twice over the HW error sources in the
NMI handler. With the previous cleanups, elliminating the second loop is
almost trivial.

Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Borislav Petkov 2015-03-18 10:12:35 +01:00
parent 6169ddf846
commit 2383844d48
1 changed files with 2 additions and 9 deletions
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11
drivers/acpi/apei/ghes.c
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@ -851,25 +851,18 @@ static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
if (sev >= GHES_SEV_PANIC)
__ghes_panic(ghes);
ret = NMI_HANDLED;
}
if (ret == NMI_DONE)
goto out;
list_for_each_entry_rcu(ghes, &ghes_nmi, list) {
if (!(ghes->flags & GHES_TO_CLEAR))
continue;
__process_error(ghes);
ghes_clear_estatus(ghes);
ret = NMI_HANDLED;
}
#ifdef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
irq_work_queue(&ghes_proc_irq_work);
#endif
out:
raw_spin_unlock(&ghes_nmi_lock);
return ret;
}