linux-kernel - [PATCH] kexec: Add kexec reboot string

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Date:   Tue,  3 Nov 2020 14:40:36 +0100
From:   Paul Menzel <pmenzel@...gen.mpg.de>
To:     Eric Biederman <ebiederm@...ssion.com>
Cc:     Joe LeVeque <jolevequ@...rosoft.com>, kexec@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Paul Menzel <pmenzel@...gen.mpg.de>
Subject: [PATCH] kexec: Add kexec reboot string

From: Joe LeVeque <jolevequ@...rosoft.com>

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

Signed-off-by: Paul Menzel <pmenzel@...gen.mpg.de>
---
 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 8798a8183974..9aaa6ce48cdf 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -1167,7 +1167,7 @@ int kernel_kexec(void)
 #endif
 	{
 		kexec_in_progress = true;
-		kernel_restart_prepare(NULL);
+		kernel_restart_prepare("kexec reboot");
 		migrate_to_reboot_cpu();
 
 		/*
-- 
2.29.2