From: tip-bot for Fenghua Yu <fenghua.yu@intel.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
fenghua.yu@intel.com, tglx@linutronix.de, hpa@linux.intel.com
Subject: [tip:x86/microcode] x86/head_32.S: Early update ucode in 32-bit
Date: Thu, 31 Jan 2013 14:34:42 -0800 [thread overview]
Message-ID: <tip-63b553c68db5a8d4febcd1010b194333d2b02e1c@git.kernel.org> (raw)
In-Reply-To: <1356075872-3054-10-git-send-email-fenghua.yu@intel.com>
Commit-ID: 63b553c68db5a8d4febcd1010b194333d2b02e1c
Gitweb: http://git.kernel.org/tip/63b553c68db5a8d4febcd1010b194333d2b02e1c
Author: Fenghua Yu <fenghua.yu@intel.com>
AuthorDate: Thu, 20 Dec 2012 23:44:29 -0800
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Thu, 31 Jan 2013 13:19:20 -0800
x86/head_32.S: Early update ucode in 32-bit
This updates ucode in 32-bit kernel on BSP and AP. At this point, there is no
paging and no virtual address yet.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1356075872-3054-10-git-send-email-fenghua.yu@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/kernel/head_32.S | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 8e7f655..2f70530 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -144,6 +144,11 @@ ENTRY(startup_32)
movl %eax, pa(olpc_ofw_pgd)
#endif
+#ifdef CONFIG_MICROCODE_EARLY
+ /* Early load ucode on BSP. */
+ call load_ucode_bsp
+#endif
+
/*
* Initialize page tables. This creates a PDE and a set of page
* tables, which are located immediately beyond __brk_base. The variable
@@ -299,6 +304,12 @@ ENTRY(startup_32_smp)
movl %eax,%ss
leal -__PAGE_OFFSET(%ecx),%esp
+#ifdef CONFIG_MICROCODE_EARLY
+ /* Early load ucode on AP. */
+ call load_ucode_ap
+#endif
+
+
default_entry:
/*
* New page tables may be in 4Mbyte page mode and may
next prev parent reply other threads:[~2013-01-31 22:34 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-21 7:44 [PATCH v5 00/12] x86/microcode: Early load microcode Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 01/12] Documentation/x86: " Fenghua Yu
2013-01-31 22:25 ` [tip:x86/microcode] x86, doc: Documentation for early microcode loading tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 02/12] x86/microcode_intel.h: Define functions and macros for early loading ucode Fenghua Yu
2013-01-31 22:26 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 03/12] x86/common.c: Make have_cpuid_p() a global function Fenghua Yu
2013-01-31 22:27 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 04/12] x86/common.c: load ucode in 64 bit or show loading ucode info in 32 bit on AP Fenghua Yu
2013-01-31 22:28 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 05/12] x86/microcode_core_early.c: Define interfaces for early loading ucode Fenghua Yu
2013-01-31 22:29 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 06/12] x86/microcode_intel_lib.c: Early update ucode on Intel's CPU Fenghua Yu
2013-01-31 22:31 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 07/12] x86/tlbflush.h: Define __native_flush_tlb_global_irq_disabled() Fenghua Yu
2013-01-31 22:32 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 08/12] x86/microcode_intel_early.c: Early update ucode on Intel's CPU Fenghua Yu
2013-01-31 22:33 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 09/12] x86/head_32.S: Early update ucode in 32-bit Fenghua Yu
2013-01-31 22:34 ` tip-bot for Fenghua Yu [this message]
2012-12-21 7:44 ` [PATCH v5 10/12] x86/head64.c: Early update ucode in 64-bit Fenghua Yu
2013-01-31 22:35 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 11/12] x86/mm/init.c: Copy ucode from initrd image to kernel memory Fenghua Yu
2013-01-31 22:37 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
2012-12-21 7:44 ` [PATCH v5 12/12] x86/Kconfig: Configurations to enable/disable the feature Fenghua Yu
2013-01-31 22:38 ` [tip:x86/microcode] x86/Kconfig: Make early microcode loading a configuration feature tip-bot for Fenghua Yu
2013-01-03 17:44 ` [PATCH v5 00/12] x86/microcode: Early load microcode Konrad Rzeszutek Wilk
2013-01-03 17:48 ` H. Peter Anvin
2013-01-08 19:46 ` Konrad Rzeszutek Wilk
2013-01-08 19:47 ` H. Peter Anvin
2013-01-08 20:04 ` Konrad Rzeszutek Wilk
2013-01-08 20:16 ` H. Peter Anvin
2013-01-09 13:35 ` Konrad Rzeszutek Wilk
2023-10-09 12:29 ` [tip: x86/microcode] x86/microcode/32: Move early loading after paging enable tip-bot2 for Thomas Gleixner
-- strict thread matches above, loose matches on Subject: below --
2012-11-30 1:47 [PATCH v2 06/10] x86/head_32.S: Early update ucode in 32-bit Fenghua Yu
2012-12-01 0:26 ` [tip:x86/microcode] " tip-bot for Fenghua Yu
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