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authorGuenter Roeck <linux@roeck-us.net>2018-08-28 17:33:46 -0700
committerPalmer Dabbelt <palmer@sifive.com>2018-09-04 17:04:50 -0700
commite866d3e84eb7c9588afb77604d417e8cc49fe216 (patch)
tree7d48b68919b8cb33b100ee2766d1112b3d1d3376 /arch/riscv/kernel/setup.c
parent57361846b52bc686112da6ca5368d11210796804 (diff)
riscv: Do not overwrite initrd_start and initrd_end
setup_initrd() overwrites initrd_start and initrd_end if __initramfs_size is larger than 0, which is always true even if there is no embedded initramfs. This prevents booting qemu with "-initrd" parameter. Overwriting initrd_start and initrd_end is not necessary since __initramfs_start and __initramfs_size are used directly in populate_rootfs() to load the built-in initramfs, so just drop that code. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch/riscv/kernel/setup.c')
-rw-r--r--arch/riscv/kernel/setup.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index db20dc630e7e..aee603123030 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -85,15 +85,8 @@ atomic_t hart_lottery;
#ifdef CONFIG_BLK_DEV_INITRD
static void __init setup_initrd(void)
{
- extern char __initramfs_start[];
- extern unsigned long __initramfs_size;
unsigned long size;
- if (__initramfs_size > 0) {
- initrd_start = (unsigned long)(&__initramfs_start);
- initrd_end = initrd_start + __initramfs_size;
- }
-
if (initrd_start >= initrd_end) {
printk(KERN_INFO "initrd not found or empty");
goto disable;