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Signed-off-by: Khalid Ali --- arch/x86/boot/compressed/head_64.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index d9dab940ff62..07dcc3ac5b6d 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -471,7 +471,7 @@ SYM_FUNC_START_LOCAL_NOALIGN(.Lrelocated) /* * Jump to the decompressed kernel. */ - movq %r15, %rsi + movq %r15, %rdi jmp *%rax SYM_FUNC_END(.Lrelocated) From patchwork Mon Jun 23 08:16:39 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Khalid Ali X-Patchwork-Id: 899301 Received: from mail-ed1-f41.google.com (mail-ed1-f41.google.com [209.85.208.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F0D21D6DA9; Mon, 23 Jun 2025 08:17:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Mon, 23 Jun 2025 01:17:41 -0700 (PDT) Received: from localhost.localdomain ([41.79.198.24]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ae0540833fasm674982766b.103.2025.06.23.01.17.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Jun 2025 01:17:40 -0700 (PDT) From: Khalid Ali X-Google-Original-From: Khalid Ali Subject: [PATCH v1 3/3] efi/efistub: Make libstub to supply boot_param from RDI Date: Mon, 23 Jun 2025 08:16:39 +0000 Message-ID: <20250623081656.1303-1-khaliidcaliy@gmail.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Khalid Ali This adjusts the libstub to supply argument from RDI instead of RSI. Signed-off-by: Khalid Ali --- drivers/firmware/efi/libstub/x86-stub.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index 09ed1c122106..9da9b6295b1d 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -794,8 +794,8 @@ static efi_status_t efi_decompress_kernel(unsigned long *kernel_entry, static void __noreturn enter_kernel(unsigned long kernel_addr, struct boot_params *boot_params) { - /* enter decompressed kernel with boot_params pointer in RSI/ESI */ - asm("jmp *%0"::"r"(kernel_addr), "S"(boot_params)); + /* enter decompressed kernel with boot_params pointer in RDI/EDI */ + asm("jmp *%0"::"r"(kernel_addr), "D"(boot_params)); unreachable(); }