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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-01 08:17:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-01 08:17:09 -0700
commit3658f3604066d5500ebd73a04084f127dc779441 (patch)
treeaa4a607815914d99374cbee4e2db53c83070da32 /arch/tile
parentff3421dee60928de95b68a13a1b64125b62b10a4 (diff)
parentff7f3efb9abf986f4ecd8793a9593f7ca4d6431a (diff)
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Merge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile fix from Chris Metcalf: "This change allows newer Tilera boot tools to work correctly with current (and stable) kernels by using the right filename to get the initramfs from the Tilera hypervisor filesystem." * 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: tile: expect new initramfs name from hypervisor file system
Diffstat (limited to 'arch/tile')
-rw-r--r--arch/tile/kernel/setup.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index d1e15f7..7a5aa1a 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -1004,15 +1004,8 @@ void __cpuinit setup_cpu(int boot)
#ifdef CONFIG_BLK_DEV_INITRD
-/*
- * Note that the kernel can potentially support other compression
- * techniques than gz, though we don't do so by default. If we ever
- * decide to do so we can either look for other filename extensions,
- * or just allow a file with this name to be compressed with an
- * arbitrary compressor (somewhat counterintuitively).
- */
static int __initdata set_initramfs_file;
-static char __initdata initramfs_file[128] = "initramfs.cpio.gz";
+static char __initdata initramfs_file[128] = "initramfs";
static int __init setup_initramfs_file(char *str)
{
@@ -1026,9 +1019,9 @@ static int __init setup_initramfs_file(char *str)
early_param("initramfs_file", setup_initramfs_file);
/*
- * We look for an "initramfs.cpio.gz" file in the hvfs.
- * If there is one, we allocate some memory for it and it will be
- * unpacked to the initramfs.
+ * We look for a file called "initramfs" in the hvfs. If there is one, we
+ * allocate some memory for it and it will be unpacked to the initramfs.
+ * If it's compressed, the initd code will uncompress it first.
*/
static void __init load_hv_initrd(void)
{
@@ -1038,10 +1031,16 @@ static void __init load_hv_initrd(void)
fd = hv_fs_findfile((HV_VirtAddr) initramfs_file);
if (fd == HV_ENOENT) {
- if (set_initramfs_file)
+ if (set_initramfs_file) {
pr_warning("No such hvfs initramfs file '%s'\n",
initramfs_file);
- return;
+ return;
+ } else {
+ /* Try old backwards-compatible name. */
+ fd = hv_fs_findfile((HV_VirtAddr)"initramfs.cpio.gz");
+ if (fd == HV_ENOENT)
+ return;
+ }
}
BUG_ON(fd < 0);
stat = hv_fs_fstat(fd);