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Message-ID: <ZuVxlJ77V2_U0HPM@darkstar.users.ipa.redhat.com>
Date: Sat, 14 Sep 2024 19:20:52 +0800
From: Dave Young <dyoung@...hat.com>
To: Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...hat.com>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org, kexec@...ts.infradead.org
Subject: [PATCH] x86/e820: update code comment about e820_table_kexec
The setup_data ranges are not reserved for kexec any more after
commit fc7f27cda843 ("x86/kexec: Do not update E820 kexec table
for setup_data"), so update the code comment here.
Signed-off-by: Dave Young <dyoung@...hat.com>
---
arch/x86/kernel/e820.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
Index: linux-x86/arch/x86/kernel/e820.c
===================================================================
--- linux-x86.orig/arch/x86/kernel/e820.c 2024-09-14 10:39:57.423551301 +0800
+++ linux-x86/arch/x86/kernel/e820.c 2024-09-14 18:56:30.158316496 +0800
@@ -36,10 +36,8 @@
*
* - 'e820_table_kexec': a slightly modified (by the kernel) firmware version
* passed to us by the bootloader - the major difference between
- * e820_table_firmware[] and this one is that, the latter marks the setup_data
- * list created by the EFI boot stub as reserved, so that kexec can reuse the
- * setup_data information in the second kernel. Besides, e820_table_kexec[]
- * might also be modified by the kexec itself to fake a mptable.
+ * e820_table_firmware[] and this one is that e820_table_kexec[]
+ * might be modified by the kexec itself to fake a mptable.
* We use this to:
*
* - kexec, which is a bootloader in disguise, uses the original E820
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