Unverified Commit c79e89ec authored by Heinrich Schuchardt's avatar Heinrich Schuchardt Committed by Palmer Dabbelt
Browse files

RISC-V: load initrd wherever it fits into memory 

Requiring that initrd is loaded below RAM start + 256 MiB led to failure
to boot SUSE Linux with GRUB on QEMU, cf.
https://lists.gnu.org/archive/html/grub-devel/2021-06/msg00037.html



Remove the constraint.

Reported-by: default avatarAndreas Schwab <schwab@linux-m68k.org>
Signed-off-by: default avatarHeinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: default avatarAtish Patra <atish.patra@wdc.com>
Acked-by: default avatarArd Biesheuvel <ardb@kernel.org>
Fixes: d7071743 ("RISC-V: Add EFI stub support.")
Signed-off-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
parent 444818b5

arch/riscv/include/asm/efi.h

+2 −2
Original line number Diff line number Diff line
@@ -27,10 +27,10 @@ int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); 


#define ARCH_EFI_IRQ_FLAGS_MASK (SR_IE | SR_SPIE)



/* Load initrd at enough distance from DRAM start */

/* Load initrd anywhere in system RAM */

static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr)

{

	return image_addr + SZ_256M;

	return ULONG_MAX;

}



#define alloc_screen_info(x...)		(&screen_info)