linux-kernel - [PATCH v1 2/3] x86/boot: the decompressor must supply boot

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Message-ID: <20250623081622.1282-1-khaliidcaliy@gmail.com>
Date: Mon, 23 Jun 2025 08:16:05 +0000
From: Khalid Ali <khaliidcaliy@...il.com>
To: tglx@...utronix.de,
	mingo@...hat.com,
	bp@...en8.de,
	dave.hansen@...ux.intel.com,
	ubizjak@...il.com
Cc: x86@...nel.org,
	hpa@...or.com,
	linux-efi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Khalid Ali <khaliidcaliy@...il.com>
Subject: [PATCH v1 2/3] x86/boot: the decompressor must supply boot_param from RDI

From: Khalid Ali <khaliidcaliy@...il.com>

This adjusts the decompressor to supply arguments from RDI instead RSI.

Signed-off-by: Khalid Ali <khaliidcaliy@...il.com>
---
 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)
 
-- 
2.49.0