3.13-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ben Peddell <klightspeed@xxxxxxxxxxxxxxxx>
commit 4c235cb9e35407bdb4a2debeef4dc8721e8f91f2 upstream.
Commit 65939301acdb (arm: set initrd_start/initrd_end for fdt scan)
caused the FDT initrd_start and initrd_end to override the
phys_initrd_start and phys_initrd_size set by the initrd= kernel
parameter. With this patch initrd_start and initrd_end will be
overridden if phys_initrd_start and phys_initrd_size are set by the
kernel initrd= parameter.
Fixes: 65939301acdb (arm: set initrd_start/initrd_end for fdt scan)
Signed-off-by: Ben Peddell <klightspeed@xxxxxxxxxxxxxxxx>
Acked-by: Jason Cooper <jason@xxxxxxxxxxxxxx>
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mm/init.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -345,10 +345,11 @@ void __init arm_memblock_init(struct mem
#endif
#ifdef CONFIG_BLK_DEV_INITRD
/* FDT scan will populate initrd_start */
- if (initrd_start) {
+ if (initrd_start && !phys_initrd_size) {
phys_initrd_start = __virt_to_phys(initrd_start);
phys_initrd_size = initrd_end - initrd_start;
}
+ initrd_start = initrd_end = 0;
if (phys_initrd_size &&
!memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
pr_err("INITRD: 0x%08llx+0x%08lx is not a memory region - disabling initrd\n",
--
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