Re: [PATCH v3 02/22] x86, microcode: Use common get_ramdisk_image()

From: Tang Chen
Date: Wed Apr 10 2013 - 01:31:47 EST


On 04/05/2013 07:46 AM, Yinghai Lu wrote:
Use common get_ramdisk_image() to get ramdisk start phys address.

We need this to get correct ramdisk adress for 64bit bzImage that
initrd can be loaded above 4G by kexec-tools.

Signed-off-by: Yinghai Lu<yinghai@xxxxxxxxxx>
Cc: Fenghua Yu<fenghua.yu@xxxxxxxxx>
Acked-by: Tejun Heo<tj@xxxxxxxxxx>
---
arch/x86/kernel/microcode_intel_early.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/microcode_intel_early.c b/arch/x86/kernel/microcode_intel_early.c
index d893e8e..ea57bd8 100644
--- a/arch/x86/kernel/microcode_intel_early.c
+++ b/arch/x86/kernel/microcode_intel_early.c
@@ -742,8 +742,8 @@ load_ucode_intel_bsp(void)
struct boot_params *boot_params_p;

boot_params_p = (struct boot_params *)__pa_nodebug(&boot_params);
- ramdisk_image = boot_params_p->hdr.ramdisk_image;
- ramdisk_size = boot_params_p->hdr.ramdisk_size;
+ ramdisk_image = get_ramdisk_image(boot_params_p);
+ ramdisk_size = get_ramdisk_image(boot_params_p);

Shoule be get_ramdisk_size(boot_params_p) ?

initrd_start_early = ramdisk_image;
initrd_end_early = initrd_start_early + ramdisk_size;

@@ -752,8 +752,8 @@ load_ucode_intel_bsp(void)
(unsigned long *)__pa_nodebug(&mc_saved_in_initrd),
initrd_start_early, initrd_end_early,&uci);
#else
- ramdisk_image = boot_params.hdr.ramdisk_image;
- ramdisk_size = boot_params.hdr.ramdisk_size;
+ ramdisk_image = get_ramdisk_image(&boot_params);
+ ramdisk_size = get_ramdisk_size(&boot_params);
initrd_start_early = ramdisk_image + PAGE_OFFSET;
initrd_end_early = initrd_start_early + ramdisk_size;

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