system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-10-24 12:17:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

GHES: Elliminate double-loop in the NMI handler

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

11
drivers/acpi/apei/ghes.c
View file

@ -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;
}