linux-kernel - [GIT PULL] ktest.pl: Fix incorrect reboot for grub2bls

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Date:   Thu, 10 Dec 2020 19:50:09 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Libo Chen <libo.chen@...cle.com>,
        Masayoshi Mizuma <msys.mizuma@...il.com>
Subject: [GIT PULL] ktest.pl: Fix incorrect reboot for grub2bls

Linus,

Fix issues with grub2bls in ktest.pl

ktest.pl does not know about grub2bls that was introduced in Fedora 30,
and now it does.


Please pull the latest ktest-v5.10-rc6 tree, which can be found at:


  git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest.git
ktest-v5.10-rc6

Tag SHA1: 5df55c97b33392ad11775afce8d327736de49fba
Head SHA1: 271e0c9dce1b02a825b3cc1a7aa1fab7c381d44b


Libo Chen (1):
      ktest.pl: Fix incorrect reboot for grub2bls

----
 tools/testing/ktest/ktest.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---------------------------
commit 271e0c9dce1b02a825b3cc1a7aa1fab7c381d44b
Author: Libo Chen <libo.chen@...cle.com>
Date:   Fri Nov 20 18:12:43 2020 -0800

    ktest.pl: Fix incorrect reboot for grub2bls
    
    This issue was first noticed when I was testing different kernels on
    Oracle Linux 8 which as Fedora 30+ adopts BLS as default. Even though a
    kernel entry was added successfully and the index of that kernel entry was
    retrieved correctly, ktest still wouldn't reboot the system into
    user-specified kernel.
    
    The bug was spotted in subroutine reboot_to where the if-statement never
    checks for REBOOT_TYPE "grub2bls", therefore the desired entry will not be
    set for the next boot.
    
    Add a check for "grub2bls" so that $grub_reboot $grub_number can
    be run before a reboot if REBOOT_TYPE is "grub2bls" then we can boot to
    the correct kernel.
    
    Link: https://lkml.kernel.org/r/20201121021243.1532477-1-libo.chen@oracle.com
    
    Cc: stable@...r.kernel.org
    Fixes: ac2466456eaa ("ktest: introduce grub2bls REBOOT_TYPE option")
    Signed-off-by: Libo Chen <libo.chen@...cle.com>
    Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index cb16d2aac51c..54188ee16c48 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -2040,7 +2040,7 @@ sub reboot_to {
 
     if ($reboot_type eq "grub") {
 	run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch)'";
-    } elsif ($reboot_type eq "grub2") {
+    } elsif (($reboot_type eq "grub2") or ($reboot_type eq "grub2bls")) {
 	run_ssh "$grub_reboot $grub_number";
     } elsif ($reboot_type eq "syslinux") {
 	run_ssh "$syslinux --once \\\"$syslinux_label\\\" $syslinux_path";