From a119b4e5186c283ee13850b65004de6d746a81be Mon Sep 17 00:00:00 2001
From: Joe LeVeque <jolevequ@microsoft.com>
Date: Thu, 6 May 2021 18:04:35 -0700
Subject: [PATCH] kexec: Add kexec reboot string
The purpose is to notify the kernel module for fast reboot.
Upstream a patch from the SONiC network operating system [1].
[1]: https://github.com/Azure/sonic-linux-kernel/pull/46
Link: https://lkml.kernel.org/r/20210304124626.13927-1-pmenzel@molgen.mpg.de
Signed-off-by: Joe LeVeque <jolevequ@microsoft.com>
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Guohan Lu <lguohan@gmail.com>
Cc: Joe LeVeque <jolevequ@microsoft.com>
Cc: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
kernel/kexec_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index a0b6780740c8a..f04d04d1b855d 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -1165,7 +1165,7 @@ int kernel_kexec(void)
#endif
{
kexec_in_progress = true;
- kernel_restart_prepare(NULL);
+ kernel_restart_prepare("kexec reboot");
migrate_to_reboot_cpu();
/*
--
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