On Tue, 19 Dec 2023 at 10:27, Ainux Wang <ainux.wang@xxxxxxxxx> wrote: > > Ard Biesheuvel <ardb@xxxxxxxxxx> 于2023年12月19日周二 17:22写道： > > > > On Tue, 19 Dec 2023 at 10:14, <wangyao@xxxxxxxxxx> wrote: > > > > > > From: Wang Yao <wangyao@xxxxxxxxxx> > > > > > > The use of the 'kernel_offset' variable to position the image file that > > > has been loaded by UEFI or GRUB is unnecessary, because we can directly > > > position the loaded image file through using the image_base field of the > > > efi_loaded_image struct provided by UEFI. > > > > > > Replace kernel_offset with image_base to positon the image file that has > > > been loaded by UEFI or GRUB. > > > > > > Signed-off-by: Wang Yao <wangyao@xxxxxxxxxx> > > > --- > > > > > > v1->v2: > > > Rewrite the commit log include 'why', not just include 'how'. > > > > > > arch/loongarch/include/asm/efi.h | 2 -- > > > arch/loongarch/kernel/head.S | 1 - > > > arch/loongarch/kernel/image-vars.h | 1 - > > > arch/loongarch/kernel/vmlinux.lds.S | 1 - > > > drivers/firmware/efi/libstub/loongarch-stub.c | 9 +++++---- > > > drivers/firmware/efi/libstub/loongarch-stub.h | 4 ++++ > > > drivers/firmware/efi/libstub/loongarch.c | 6 ++++-- > > > 7 files changed, 13 insertions(+), 11 deletions(-) > > > create mode 100644 drivers/firmware/efi/libstub/loongarch-stub.h > > > > > > diff --git a/arch/loongarch/include/asm/efi.h b/arch/loongarch/include/asm/efi.h > > > index 91d81f9730ab..eddc8e79b3fa 100644 > > > --- a/arch/loongarch/include/asm/efi.h > > > +++ b/arch/loongarch/include/asm/efi.h > > > @@ -32,6 +32,4 @@ static inline unsigned long efi_get_kimg_min_align(void) > > > > > > #define EFI_KIMG_PREFERRED_ADDRESS PHYSADDR(VMLINUX_LOAD_ADDRESS) > > > > > > -unsigned long kernel_entry_address(unsigned long kernel_addr); > > > - > > > > Why are you removing this? Won't that cause missing prototype warnings? > > > > The rest of the patch looks fine to me, but I haven't tested it. > > > > Because the efi_loaded_image_t struct is defined in the efistub.h. > And the other question?
