From: Borislav Petkov <bp@alien8.de>
To: X86 ML <x86@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Quentin Casasnovas <quentin.casasnovas@oracle.com>
Subject: [PATCH 07/13] x86/microcode/intel: Rename update_match_revision()
Date: Tue, 24 Feb 2015 11:37:06 +0100 [thread overview]
Message-ID: <1424774232-5981-8-git-send-email-bp@alien8.de> (raw)
In-Reply-To: <1424774232-5981-1-git-send-email-bp@alien8.de>
From: Borislav Petkov <bp@suse.de>
... to revision_is_newer() and push it up into the header and make it an
inline function.
Signed-off-by: Borislav Petkov <bp@suse.de>
---
arch/x86/include/asm/microcode_intel.h | 8 ++++++--
arch/x86/kernel/cpu/microcode/intel_early.c | 2 +-
arch/x86/kernel/cpu/microcode/intel_lib.c | 8 +-------
3 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/arch/x86/include/asm/microcode_intel.h b/arch/x86/include/asm/microcode_intel.h
index dd4c20043ce7..a6b753a131cd 100644
--- a/arch/x86/include/asm/microcode_intel.h
+++ b/arch/x86/include/asm/microcode_intel.h
@@ -60,8 +60,12 @@ extern int
get_matching_microcode(unsigned int csig, int cpf, void *mc, int rev);
extern int microcode_sanity_check(void *mc, int print_err);
extern int get_matching_sig(unsigned int csig, int cpf, void *mc, int rev);
-extern int
-update_match_revision(struct microcode_header_intel *mc_header, int rev);
+
+static inline int
+revision_is_newer(struct microcode_header_intel *mc_header, int rev)
+{
+ return (mc_header->rev <= rev) ? 0 : 1;
+}
#ifdef CONFIG_MICROCODE_INTEL_EARLY
extern void __init load_ucode_intel_bsp(void);
diff --git a/arch/x86/kernel/cpu/microcode/intel_early.c b/arch/x86/kernel/cpu/microcode/intel_early.c
index 1bd46690499c..372ffc7d929b 100644
--- a/arch/x86/kernel/cpu/microcode/intel_early.c
+++ b/arch/x86/kernel/cpu/microcode/intel_early.c
@@ -287,7 +287,7 @@ static unsigned int _save_mc(struct microcode_intel **mc_saved,
found = 1;
- if (!update_match_revision(mc_hdr, new_rev))
+ if (!revision_is_newer(mc_hdr, new_rev))
continue;
/*
diff --git a/arch/x86/kernel/cpu/microcode/intel_lib.c b/arch/x86/kernel/cpu/microcode/intel_lib.c
index ce69320d0179..7e259d99b0aa 100644
--- a/arch/x86/kernel/cpu/microcode/intel_lib.c
+++ b/arch/x86/kernel/cpu/microcode/intel_lib.c
@@ -38,12 +38,6 @@ update_match_cpu(unsigned int csig, unsigned int cpf,
return (!sigmatch(sig, csig, pf, cpf)) ? 0 : 1;
}
-int
-update_match_revision(struct microcode_header_intel *mc_header, int rev)
-{
- return (mc_header->rev <= rev) ? 0 : 1;
-}
-
int microcode_sanity_check(void *mc, int print_err)
{
unsigned long total_size, data_size, ext_table_size;
@@ -166,7 +160,7 @@ int get_matching_microcode(unsigned int csig, int cpf, void *mc, int rev)
{
struct microcode_header_intel *mc_header = mc;
- if (!update_match_revision(mc_header, rev))
+ if (!revision_is_newer(mc_header, rev))
return 0;
return get_matching_sig(csig, cpf, mc, rev);
--
2.2.0.33.gc18b867
next prev parent reply other threads:[~2015-02-24 10:39 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-24 10:36 [PATCH 00/13] x86/microcode: Intel early loader cleanups Borislav Petkov
2015-02-24 10:37 ` [PATCH 01/13] x86/microcode/intel: Check if microcode was found before applying Borislav Petkov
2015-02-24 10:37 ` [PATCH 02/13] x86/microcode/intel: Do the mc_saved_src NULL check first Borislav Petkov
2015-02-24 16:20 ` Quentin Casasnovas
2015-02-24 10:37 ` [PATCH 03/13] x86/microcode/intel: Get rid of last arg to load_ucode_intel_bsp() Borislav Petkov
2015-02-24 16:21 ` Quentin Casasnovas
2015-02-24 18:30 ` Borislav Petkov
2015-02-24 10:37 ` [PATCH 04/13] x86/microcode/intel: Simplify load_ucode_intel_bsp() Borislav Petkov
2015-02-24 16:21 ` Quentin Casasnovas
2015-02-24 18:32 ` Borislav Petkov
2015-02-24 10:37 ` [PATCH 05/13] x86/microcode/intel: Make _save_mc() return the updated saved count Borislav Petkov
2015-02-24 16:22 ` Quentin Casasnovas
2015-02-24 10:37 ` [PATCH 06/13] x86/microcode/intel: Sanitize _save_mc() Borislav Petkov
2015-02-24 10:37 ` Borislav Petkov [this message]
2015-02-24 16:23 ` [PATCH 07/13] x86/microcode/intel: Rename update_match_revision() Quentin Casasnovas
2015-04-10 11:12 ` Borislav Petkov
2015-04-10 11:54 ` Quentin Casasnovas
2015-04-10 12:09 ` Borislav Petkov
2015-02-24 10:37 ` [PATCH 08/13] x86/microcode: Consolidate family,model, ... code Borislav Petkov
2015-02-24 16:23 ` Quentin Casasnovas
2015-02-24 10:37 ` [PATCH 09/13] x86/microcode/intel: Simplify generic_load_microcode_early() Borislav Petkov
2015-02-24 10:37 ` [PATCH 10/13] x86/microcode/intel: Move mc arg last in get_matching_{microcode|sig} Borislav Petkov
2015-02-24 16:24 ` Quentin Casasnovas
2015-05-05 9:14 ` Borislav Petkov
2015-02-24 10:37 ` [PATCH 11/13] x86/microcode/intel: Sanitize microcode_pointer() Borislav Petkov
2015-02-24 10:37 ` [PATCH 12/13] x86/microcode/intel: Check scan_microcode()'s retval Borislav Petkov
2015-02-24 10:37 ` [PATCH 13/13] x86/microcode/intel: Fix printing of microcode blobs in show_saved_mc() Borislav Petkov
2015-02-24 16:24 ` Quentin Casasnovas
2015-02-24 16:48 ` Borislav Petkov
2015-02-25 9:41 ` Quentin Casasnovas
2015-02-25 17:55 ` Borislav Petkov
2015-03-03 13:00 ` [tip:x86/microcode] x86/microcode/intel: Fix out of bounds memory access to the extended header tip-bot for Quentin Casasnovas
2015-02-24 16:40 ` [PATCH 00/13] x86/microcode: Intel early loader cleanups Quentin Casasnovas
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