linux-kernel - [PATCH v7 7/8] [DO NOT MERGE] x86/kexec: Add int3 in kexec path for testing

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Message-ID: <20250312144257.2348250-8-dwmw2@infradead.org>
Date: Wed, 12 Mar 2025 14:34:19 +0000
From: David Woodhouse <dwmw2@...radead.org>
To: kexec@...ts.infradead.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	x86@...nel.org,
	"H . Peter Anvin" <hpa@...or.com>,
	David Woodhouse <dwmw@...zon.co.uk>,
	"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
	Kai Huang <kai.huang@...el.com>,
	Nikolay Borisov <nik.borisov@...e.com>,
	linux-kernel@...r.kernel.org,
	Simon Horman <horms@...nel.org>,
	Dave Young <dyoung@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	jpoimboe@...nel.org,
	bsz@...zon.de
Subject: [PATCH v7 7/8] [DO NOT MERGE] x86/kexec: Add int3 in kexec path for testing

From: David Woodhouse <dwmw@...zon.co.uk>

Signed-off-by: David Woodhouse <dwmw@...zon.co.uk>
---
 arch/x86/kernel/relocate_kernel_64.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
index 17d41e6e1a4b..2b7fc59af373 100644
--- a/arch/x86/kernel/relocate_kernel_64.S
+++ b/arch/x86/kernel/relocate_kernel_64.S
@@ -158,7 +158,7 @@ SYM_CODE_START_LOCAL_NOALIGN(identity_mapped)
 	lidt	(%rsp)
 	addq	$10, %rsp
 
-	//int3
+	int3
 
 	/*
 	 * Clear X86_CR4_CET (if it was set) such that we can clear CR0_WP
-- 
2.48.1