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    Subject[PATCH 5.13 136/223] RISC-V: load initrd wherever it fits into memory
    Date
    From: Heinrich Schuchardt <xypron.glpk@gmx.de>

    [ Upstream commit c79e89ecaa246c880292ba68cbe08c9c30db77e3 ]

    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: Andreas Schwab <schwab@linux-m68k.org>
    Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
    Reviewed-by: Atish Patra <atish.patra@wdc.com>
    Acked-by: Ard Biesheuvel <ardb@kernel.org>
    Fixes: d7071743db31 ("RISC-V: Add EFI stub support.")
    Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/riscv/include/asm/efi.h | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/arch/riscv/include/asm/efi.h b/arch/riscv/include/asm/efi.h
    index 6d98cd999680..7b3483ba2e84 100644
    --- a/arch/riscv/include/asm/efi.h
    +++ b/arch/riscv/include/asm/efi.h
    @@ -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)
    --
    2.30.2


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