From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2 1/2] kexec: return error of machine_kexec() fails
Date: Fri, 21 Jun 2013 16:41:51 -0600 [thread overview]
Message-ID: <51C4D6AF.9010105@wwwdotorg.org> (raw)
In-Reply-To: <1371067281-655-1-git-send-email-swarren@wwwdotorg.org>
On 06/12/2013 02:01 PM, Stephen Warren wrote:
> From: Stephen Warren <swarren@nvidia.com>
>
> Prior to commit 3ab8352 "kexec jump", if machine_kexec() returned,
> sys_reboot() would return -EINVAL. This patch restores this behaviour
> for the non-KEXEC_JUMP case, where machine_kexec() is not expected to
> return.
>
> This situation can occur on ARM, where kexec requires disabling all but
> one CPU using CPU hotplug. However, if hotplug isn't supported by the
> particular HW the kernel is running on, then kexec cannot succeed.
Eric, does this look reasonable to go into 3.11? Thanks.
prev parent reply other threads:[~2013-06-21 22:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-12 20:01 [PATCH V2 1/2] kexec: return error of machine_kexec() fails Stephen Warren
2013-06-12 20:01 ` [PATCH V2 2/2] ARM: decouple CPU offlining from reboot/shutdown Stephen Warren
2013-06-13 1:58 ` zhangfei gao
2013-06-13 15:05 ` Stephen Warren
2013-06-13 7:45 ` Will Deacon
2013-06-13 14:59 ` Stephen Warren
2013-06-13 17:11 ` Russell King - ARM Linux
2013-06-14 4:53 ` zhangfei gao
2013-06-13 17:10 ` Russell King - ARM Linux
2013-06-17 18:58 ` Stephen Warren
2013-06-17 19:41 ` Russell King - ARM Linux
2013-06-21 22:41 ` Stephen Warren [this message]
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