GHES: Elliminate double-loop in the NMI handler

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>

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 0de3adcca03ef3cca65b248d214c76e1bbb1897a..94a44bad55763f88e86d20e4be137f6c0ec8be3f 100644 (file)
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -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;
 }