From: "Fenghua Yu" <fenghua.yu@intel.com>
To: "H Peter Anvin" <hpa@zytor.com>, "Ingo Molnar" <mingo@elte.hu>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Asit K Mallick" <asit.k.mallick@intel.com>,
"Tigran Aivazian" <tigran@aivazian.fsnet.co.uk>,
"Yinghai Lu" <yinghai@kernel.org>,
"Andreas Herrmann" <andreas.herrmann3@amd.com>,
"Borislav Petkov" <borislav.petkov@amd.com>,
"linux-kernel" <linux-kernel@vger.kernel.org>,
"x86" <x86@kernel.org>
Cc: "Fenghua Yu" <fenghua.yu@intel.com>
Subject: [PATCH v4 09/11] x86/head64.c: Early update ucode in 64-bit
Date: Thu, 20 Dec 2012 11:48:11 -0800 [thread overview]
Message-ID: <1356032893-2730-10-git-send-email-fenghua.yu@intel.com> (raw)
In-Reply-To: <1356032893-2730-1-git-send-email-fenghua.yu@intel.com>
From: Fenghua Yu <fenghua.yu@intel.com>
This updates ucode on BSP in 64-bit mode. Paging and virtual address are
working now.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
---
arch/x86/kernel/head64.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index e1cb611..1ccbaf1 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -26,6 +26,7 @@
#include <asm/kdebug.h>
#include <asm/e820.h>
#include <asm/bios_ebda.h>
+#include <asm/microcode.h>
/*
* Manage page tables very early on.
@@ -179,6 +180,11 @@ void __init x86_64_start_kernel(char * real_mode_data)
}
load_idt((const struct desc_ptr *)&idt_descr);
+ /*
+ * Load microcode early on BSP.
+ */
+ load_ucode_bsp(__va(real_mode_data));
+
copy_bootdata(__va(real_mode_data));
if (console_loglevel == 10)
--
1.8.0.1
next prev parent reply other threads:[~2012-12-21 2:51 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-20 19:48 [PATCH v4 00/11] x86/microcode: Early load microcode Fenghua Yu
2012-12-20 19:48 ` [PATCH v4 01/11] Documentation/x86: " Fenghua Yu
2012-12-20 19:48 ` [PATCH v4 02/11] x86/microcode_intel.h: Define functions and macros for early loading ucode Fenghua Yu
2012-12-20 19:48 ` [PATCH v4 03/11] x86/common.c: Make have_cpuid_p() a global function and load ucode or show ucode loading info on AP Fenghua Yu
2012-12-20 19:48 ` [PATCH v4 04/11] x86/microcode_core_early.c: Define interfaces for early loading ucode Fenghua Yu
2012-12-20 19:48 ` [PATCH v4 05/11] x86/microcode_intel_lib.c: Early update ucode on Intel's CPU Fenghua Yu
2012-12-20 19:48 ` [PATCH v4 06/11] x86/tlbflush.h: Define __native_flush_tlb_global_irq_disabled() Fenghua Yu
2012-12-20 19:48 ` [PATCH v4 07/11] x86/microcode_intel_early.c: Early update ucode on Intel's CPU Fenghua Yu
2012-12-20 19:48 ` [PATCH v4 08/11] x86/head_32.S: Early update ucode in 32-bit Fenghua Yu
2012-12-20 19:48 ` Fenghua Yu [this message]
2012-12-21 4:09 ` [PATCH v4 09/11] x86/head64.c: Early update ucode in 64-bit Yinghai Lu
2012-12-21 4:44 ` Yu, Fenghua
2012-12-21 5:07 ` Yu, Fenghua
[not found] ` <CAE9FiQVHuNkT3BLUW3hJf6mWbNq+kWmohwSNJMxxO1sYvyCxOQ@mail.gmail.com>
2012-12-21 5:48 ` H. Peter Anvin
2012-12-20 19:48 ` [PATCH v4 10/11] x86/mm/init.c: Copy ucode from initrd image to kernel memory Fenghua Yu
2012-12-20 19:48 ` [PATCH v4 11/11] x86/Kconfig: Configurations to enable/disable the feature Fenghua Yu
2012-12-21 9:04 ` [PATCH v4 00/11] x86/microcode: Early load microcode Michael Tokarev
2012-12-21 15:09 ` Yu, Fenghua
2012-12-21 15:14 ` Borislav Petkov
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