summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/setup.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2014-01-20 12:07:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-20 12:07:54 -0800
commit2bb2c5e235e8459de5761f89bc2bcb2efd2b6b45 (patch)
tree3671fd287ecbe739cb79537fb5353bcecb939aa9 /arch/x86/kernel/setup.c
parent4500cf60dbe4b7f514d11b24c3e1edfda2a6d69d (diff)
parent9c079129d7bfb24251890e40694fd79dd1872ed9 (diff)
Merge branch 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode loader updates from Ingo Molnar: "There are two main changes in this tree: - AMD microcode early loading fixes - some microcode loader source files reorganization" * 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, microcode: Move to a proper location x86, microcode, AMD: Fix early ucode loading x86, microcode: Share native MSR accessing variants x86, ramdisk: Export relocated ramdisk VA
Diffstat (limited to 'arch/x86/kernel/setup.c')
-rw-r--r--arch/x86/kernel/setup.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index be4b456e444b..182b3f97dcf4 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -295,6 +295,8 @@ static void __init reserve_brk(void)
_brk_start = 0;
}
+u64 relocated_ramdisk;
+
#ifdef CONFIG_BLK_DEV_INITRD
static u64 __init get_ramdisk_image(void)
@@ -321,25 +323,24 @@ static void __init relocate_initrd(void)
u64 ramdisk_image = get_ramdisk_image();
u64 ramdisk_size = get_ramdisk_size();
u64 area_size = PAGE_ALIGN(ramdisk_size);
- u64 ramdisk_here;
unsigned long slop, clen, mapaddr;
char *p, *q;
/* We need to move the initrd down into directly mapped mem */
- ramdisk_here = memblock_find_in_range(0, PFN_PHYS(max_pfn_mapped),
- area_size, PAGE_SIZE);
+ relocated_ramdisk = memblock_find_in_range(0, PFN_PHYS(max_pfn_mapped),
+ area_size, PAGE_SIZE);
- if (!ramdisk_here)
+ if (!relocated_ramdisk)
panic("Cannot find place for new RAMDISK of size %lld\n",
- ramdisk_size);
+ ramdisk_size);
/* Note: this includes all the mem currently occupied by
the initrd, we rely on that fact to keep the data intact. */
- memblock_reserve(ramdisk_here, area_size);
- initrd_start = ramdisk_here + PAGE_OFFSET;
+ memblock_reserve(relocated_ramdisk, area_size);
+ initrd_start = relocated_ramdisk + PAGE_OFFSET;
initrd_end = initrd_start + ramdisk_size;
printk(KERN_INFO "Allocated new RAMDISK: [mem %#010llx-%#010llx]\n",
- ramdisk_here, ramdisk_here + ramdisk_size - 1);
+ relocated_ramdisk, relocated_ramdisk + ramdisk_size - 1);
q = (char *)initrd_start;
@@ -363,7 +364,7 @@ static void __init relocate_initrd(void)
printk(KERN_INFO "Move RAMDISK from [mem %#010llx-%#010llx] to"
" [mem %#010llx-%#010llx]\n",
ramdisk_image, ramdisk_image + ramdisk_size - 1,
- ramdisk_here, ramdisk_here + ramdisk_size - 1);
+ relocated_ramdisk, relocated_ramdisk + ramdisk_size - 1);
}
static void __init early_reserve_initrd(void)