The following commit has been merged into the x86/boot branch of tip: Commit-ID: 50dcc2e0d62e3c4a54f39673c4dc3dcde7c74d52 Gitweb: https://git.kernel.org/tip/50dcc2e0d62e3c4a54f39673c4dc3dcde7c74d52 Author: Ard Biesheuvel <ardb@xxxxxxxxxx> AuthorDate: Tue, 17 Oct 2023 15:25:13 +02:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Wed, 18 Oct 2023 12:03:04 +02:00 x86/boot: efistub: Assign global boot_params variable Now that the x86 EFI stub calls into some APIs exposed by the decompressor (e.g., kaslr_get_random_long()), it is necessary to ensure that the global boot_params variable is set correctly before doing so. Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx --- drivers/firmware/efi/libstub/x86-stub.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index 3bfc596..76cc0d0 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -818,6 +818,8 @@ void __noreturn efi_stub_entry(efi_handle_t handle, unsigned long kernel_entry; efi_status_t status; + boot_params_ptr = boot_params; + efi_system_table = sys_table_arg; /* Check if we were booted by the EFI firmware */ if (efi_system_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
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