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From: tip-bot for Borislav Petkov <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
	brgerst@gmail.com, luto@amacapital.net, mingo@kernel.org,
	dvlasenk@redhat.com, bp@suse.de, tglx@linutronix.de,
	bp@alien8.de, hpa@zytor.com, peterz@infradead.org
Subject: [tip:x86/microcode] x86/microcode/intel: Unexport save_mc_for_early()
Date: Wed, 8 Jun 2016 02:54:38 -0700
Message-ID: <tip-0c5fa827f1130d05858f158022c21e9e7e5cff92@git.kernel.org> (raw)
In-Reply-To: <1465225850-7352-8-git-send-email-bp@alien8.de>

Commit-ID:  0c5fa827f1130d05858f158022c21e9e7e5cff92
Gitweb:     http://git.kernel.org/tip/0c5fa827f1130d05858f158022c21e9e7e5cff92
Author:     Borislav Petkov <bp@suse.de>
AuthorDate: Mon, 6 Jun 2016 17:10:48 +0200
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 8 Jun 2016 11:04:20 +0200

x86/microcode/intel: Unexport save_mc_for_early()

It is used only in intel.c, drop the CONFIG_HOTPLUG_CPU ifdeffery from
the header and turn it into a void function because its return value
wasn't being used anyway.

No functionality change.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1465225850-7352-8-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/include/asm/microcode_intel.h |  5 -----
 arch/x86/kernel/cpu/microcode/intel.c  | 15 ++++++---------
 2 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/arch/x86/include/asm/microcode_intel.h b/arch/x86/include/asm/microcode_intel.h
index 603417f..5e69154 100644
--- a/arch/x86/include/asm/microcode_intel.h
+++ b/arch/x86/include/asm/microcode_intel.h
@@ -70,9 +70,4 @@ static inline int __init save_microcode_in_initrd_intel(void) { return -EINVAL;
 static inline void reload_ucode_intel(void) {}
 #endif
 
-#ifdef CONFIG_HOTPLUG_CPU
-extern int save_mc_for_early(u8 *mc);
-#else
-static inline int save_mc_for_early(u8 *mc) { return 0; }
-#endif
 #endif /* _ASM_X86_MICROCODE_INTEL_H */
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index b5759a3..359e203 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -456,8 +456,6 @@ static void show_saved_mc(void)
 #endif
 }
 
-#ifdef CONFIG_HOTPLUG_CPU
-static DEFINE_MUTEX(x86_cpu_microcode_mutex);
 /*
  * Save this mc into mc_saved_data. So it will be loaded early when a CPU is
  * hot added or resumes.
@@ -465,14 +463,16 @@ static DEFINE_MUTEX(x86_cpu_microcode_mutex);
  * Please make sure this mc should be a valid microcode patch before calling
  * this function.
  */
-int save_mc_for_early(u8 *mc)
+static void save_mc_for_early(u8 *mc)
 {
+#ifdef CONFIG_HOTPLUG_CPU
+	static DEFINE_MUTEX(x86_cpu_microcode_mutex);
+
 	struct microcode_intel *mc_saved_tmp[MAX_UCODE_COUNT];
 	unsigned int mc_saved_count_init;
 	unsigned int num_saved;
 	struct microcode_intel **mc_saved;
-	int ret = 0;
-	int i;
+	int ret, i;
 
 	/*
 	 * Hold hotplug lock so mc_saved_data is not accessed by a CPU in
@@ -515,11 +515,8 @@ int save_mc_for_early(u8 *mc)
 
 out:
 	mutex_unlock(&x86_cpu_microcode_mutex);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(save_mc_for_early);
 #endif
+}
 
 static bool __init load_builtin_intel_microcode(struct cpio_data *cp)
 {

  reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-06 15:10 [PATCH 0/9] x86/microcode: Fixes for builtin vs initrd loading; cleanups Borislav Petkov
2016-06-06 15:10 ` [PATCH 1/9] x86/microcode: Fix loading precedence Borislav Petkov
2016-06-08  9:51   ` [tip:x86/microcode] " tip-bot for Borislav Petkov
2016-06-06 15:10 ` [PATCH 2/9] x86/microcode: Fix suspend to RAM with builtin microcode Borislav Petkov
2016-06-08  9:52   ` [tip:x86/microcode] " tip-bot for Borislav Petkov
2016-06-06 15:10 ` [PATCH 3/9] lib/cpio: Make find_cpio_data()'s offset arg optional Borislav Petkov
2016-06-08  9:52   ` [tip:x86/microcode] " tip-bot for Borislav Petkov
2016-06-06 15:10 ` [PATCH 4/9] x86/microcode: Get rid of find_cpio_data()'s dummy offset arg Borislav Petkov
2016-06-08  9:53   ` [tip:x86/microcode] " tip-bot for Borislav Petkov
2016-06-06 15:10 ` [PATCH 5/9] x86/microcode: Propagate save_microcode_in_initrd() retval Borislav Petkov
2016-06-08  9:53   ` [tip:x86/microcode] " tip-bot for Borislav Petkov
2016-06-06 15:10 ` [PATCH 6/9] x86/microcode/intel: Rename load_microcode_early() to find_microcode_patch() Borislav Petkov
2016-06-08  9:54   ` [tip:x86/microcode] " tip-bot for Borislav Petkov
2016-06-06 15:10 ` [PATCH 7/9] x86/microcode/intel: Unexport save_mc_for_early() Borislav Petkov
2016-06-08  9:54   ` tip-bot for Borislav Petkov [this message]
2016-06-06 15:10 ` [PATCH 8/9] x86/microcode/AMD: Make amd_ucode_patch static Borislav Petkov
2016-06-08  9:55   ` [tip:x86/microcode] x86/microcode/AMD: Make amd_ucode_patch[] static tip-bot for Borislav Petkov
2016-06-06 15:10 ` [PATCH 9/9] Documentation/microcode: Document some aspects for more clarity Borislav Petkov
2016-06-08  9:55   ` [tip:x86/microcode] " tip-bot for Borislav Petkov

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