linux-kernel - [PATCH 8/9] x86/MCE: Get rid of mce_process

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Message-Id: <20170123183514.13356-9-bp@alien8.de>
Date:   Mon, 23 Jan 2017 19:35:13 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     X86 ML <x86@...nel.org>
Cc:     Tony Luck <tony.luck@...el.com>,
        Yazen Ghannam <Yazen.Ghannam@....com>,
        linux-edac <linux-edac@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 8/9] x86/MCE: Get rid of mce_process_work()

From: Borislav Petkov <bp@...e.de>

Make mce_gen_pool_process() the workqueue function directly and save us
an indirection.

Signed-off-by: Borislav Petkov <bp@...e.de>
---
 arch/x86/kernel/cpu/mcheck/mce-genpool.c  |  2 +-
 arch/x86/kernel/cpu/mcheck/mce-internal.h |  2 +-
 arch/x86/kernel/cpu/mcheck/mce.c          | 12 +-----------
 3 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce-genpool.c b/arch/x86/kernel/cpu/mcheck/mce-genpool.c
index 93d824ec3120..1e5a50c11d3c 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-genpool.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-genpool.c
@@ -72,7 +72,7 @@ struct llist_node *mce_gen_pool_prepare_records(void)
 	return new_head.first;
 }
 
-void mce_gen_pool_process(void)
+void mce_gen_pool_process(struct work_struct *__unused)
 {
 	struct llist_node *head;
 	struct mce_evt_llist *node, *tmp;
diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h
index cd74a3f00aea..903043e6a62b 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-internal.h
+++ b/arch/x86/kernel/cpu/mcheck/mce-internal.h
@@ -31,7 +31,7 @@ struct mce_evt_llist {
 	struct mce mce;
 };
 
-void mce_gen_pool_process(void);
+void mce_gen_pool_process(struct work_struct *__unused);
 bool mce_gen_pool_empty(void);
 int mce_gen_pool_add(struct mce *mce);
 int mce_gen_pool_init(void);
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index ca15a7e1f97d..0fef5406f0eb 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1316,16 +1316,6 @@ int memory_failure(unsigned long pfn, int vector, int flags)
 #endif
 
 /*
- * Action optional processing happens here (picking up
- * from the list of faulting pages that do_machine_check()
- * placed into the genpool).
- */
-static void mce_process_work(struct work_struct *dummy)
-{
-	mce_gen_pool_process();
-}
-
-/*
  * Periodic polling timer for "silent" machine check errors.  If the
  * poller finds an MCE, poll 2x faster.  When the poller finds no more
  * errors, poll 2x slower (up to check_interval seconds).
@@ -2165,7 +2155,7 @@ int __init mcheck_init(void)
 	mce_register_decode_chain(&mce_default_nb);
 	mcheck_vendor_init_severity();
 
-	INIT_WORK(&mce_work, mce_process_work);
+	INIT_WORK(&mce_work, mce_gen_pool_process);
 	init_irq_work(&mce_irq_work, mce_irq_work_cb);
 
 	return 0;
-- 
2.11.0