From: Tony Jones <tonyj@suse.de>
To: kexec@lists.infradead.org
Cc: msuchanek@suse.de, Simon Horman <horms@verge.net.au>,
dyoung@redhat.com, Petr Tesarik <ptesarik@suse.cz>
Subject: Re: [PATCH v4 4/5] kexec: add option to fall back to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported.
Date: Tue, 13 Mar 2018 10:30:28 -0700 [thread overview]
Message-ID: <b7fcd583-d7d2-1348-5a17-7294c9f19e9a@suse.de> (raw)
In-Reply-To: <19a47e290fc03efea82af845740ae8f6b30f13b8.1520342150.git.msuchanek@suse.de>
On 03/06/2018 05:15 AM, Michal Suchanek wrote:
> Not all architectures implement KEXEC_FILE_LOAD. However, on some
> archiectures KEXEC_FILE_LOAD is required when secure boot is enabled in
> locked-down mode. Previously users had to select the KEXEC_FILE_LOAD
> syscall with undocumented -s option. However, if they did pass the
> option kexec would fail on architectures that do not support it.
>
> So add an -a option that tries KEXEC_FILE_LOAD and when it is not
> supported tries KEXEC_LOAD.
>
> Signed-off-by: Michal Suchanek <msuchanek@suse.de>
David, Simon.
Is there any feedback on v4 of this patchset? Adding a new option for fallback rather than changing the existing behavior was the v3 feedback on March 2nd.
Cheers!
Tony
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next prev parent reply other threads:[~2018-03-13 17:30 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-26 12:00 [PATCH 1/5] kexec: Return -ENOSYS when kexec does not know how to call KEXEC_FILE_LOAD Michal Suchanek
2018-02-26 12:00 ` [PATCH 2/5] kexec: do not special-case the -s option Michal Suchanek
2018-03-02 12:36 ` Simon Horman
2018-03-02 13:38 ` Michal Suchánek
2018-03-05 6:38 ` Simon Horman
2018-02-26 12:00 ` [PATCH 3/5] kexec: add option to revert -s Michal Suchanek
2018-02-26 12:00 ` [PATCH 4/5] kexec: fallback to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported Michal Suchanek
2018-02-28 13:05 ` Michal Suchánek
2018-03-02 9:17 ` Dave Young
2018-03-05 17:49 ` Michal Suchánek
2018-03-06 13:15 ` [PATCH v4 1/5] kexec: Return -ENOSYS when kexec does not know how to call KEXEC_FILE_LOAD Michal Suchanek
2018-03-06 13:15 ` [PATCH v4 2/5] kexec: do not special-case the -s option Michal Suchanek
2018-03-15 10:38 ` Simon Horman
2018-03-15 11:13 ` Michal Suchánek
2018-03-16 11:20 ` Simon Horman
2018-03-16 11:38 ` Michal Suchánek
2018-03-16 11:47 ` Simon Horman
2018-03-06 13:15 ` [PATCH v4 3/5] kexec: add option to revert -s Michal Suchanek
2018-03-06 13:15 ` [PATCH v4 4/5] kexec: add option to fall back to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported Michal Suchanek
2018-03-13 17:30 ` Tony Jones [this message]
2018-03-14 3:44 ` Dave Young
2018-03-14 3:21 ` Dave Young
2018-03-15 11:06 ` Michal Suchánek
2018-03-16 6:45 ` Dave Young
2018-03-16 11:44 ` Michal Suchánek
2018-03-14 3:22 ` Dave Young
2018-03-14 7:23 ` Michal Suchánek
2018-03-14 7:48 ` Dave Young
2018-03-06 13:15 ` [PATCH v4 5/5] kexec: document -s, -c and -a options Michal Suchanek
2018-03-14 3:41 ` Dave Young
2018-03-14 7:25 ` Michal Suchánek
2018-03-14 7:50 ` Dave Young
2018-03-15 11:44 ` Michal Suchánek
2018-03-16 6:51 ` Dave Young
2018-03-16 16:01 ` Michal Suchánek
2018-03-14 3:43 ` Dave Young
2018-03-15 11:18 ` Michal Suchánek
2018-03-20 15:56 ` [PATCH v5 1/5] kexec: Return -ENOSYS when kexec does not know how to call KEXEC_FILE_LOAD Michal Suchanek
2018-03-26 7:25 ` Simon Horman
2018-03-26 7:53 ` Dave Young
2018-03-26 18:17 ` Michal Suchánek
2018-03-27 9:39 ` Dave Young
2018-03-20 15:56 ` [PATCH v5 2/5] kexec: Fix option checks to take KEXEC_FILE_LOAD into account Michal Suchanek
2018-03-20 15:56 ` [PATCH v5 3/5] kexec: Do not special-case the -s option Michal Suchanek
2018-03-20 15:56 ` [PATCH v5 4/5] kexec: Add option to fall back to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported Michal Suchanek
2018-03-26 9:08 ` Dave Young
2018-03-26 9:12 ` Dave Young
2018-03-26 17:38 ` Michal Suchánek
2018-03-26 18:52 ` Thiago Jung Bauermann
2018-03-26 19:07 ` Michal Suchánek
2018-03-27 9:59 ` Dave Young
2018-03-28 13:15 ` [PATCH v6 1/5] kexec: Return -ENOSYS when kexec does not know how to call KEXEC_FILE_LOAD Michal Suchanek
2018-03-28 13:15 ` [PATCH v6 2/5] kexec: Fix option checks to take KEXEC_FILE_LOAD into account Michal Suchanek
2018-03-28 13:15 ` [PATCH v6 3/5] kexec: Do not special-case the -s option Michal Suchanek
2018-04-05 11:05 ` Petr Tesarik
2018-04-09 8:38 ` Bhupesh Sharma
2018-03-28 13:15 ` [PATCH v6 4/5] kexec: Add option to revert -s Michal Suchanek
2018-03-28 13:15 ` [PATCH v6 5/5] kexec: Add option to fall back to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported Michal Suchanek
2018-03-28 13:15 ` [PATCH 6/6] kexec: Document -s, -c and -a options in the man page Michal Suchanek
2018-03-30 6:29 ` [PATCH v6 1/5] kexec: Return -ENOSYS when kexec does not know how to call KEXEC_FILE_LOAD Simon Horman
2018-03-30 8:00 ` Dave Young
2018-03-30 8:46 ` Simon Horman
2018-03-27 10:06 ` [PATCH v5 4/5] kexec: Add option to fall back to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported Dave Young
2018-03-27 11:01 ` Michal Suchánek
2018-03-27 11:10 ` Petr Tesarik
2018-03-28 0:53 ` Dave Young
2018-03-28 7:42 ` Simon Horman
2018-03-20 15:56 ` [PATCH v5 5/5] kexec: Document -s, -c and -a options Michal Suchanek
2018-03-02 9:24 ` [PATCH 4/5] kexec: fallback to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported Dave Young
2018-03-02 12:32 ` Michal Suchánek
2018-03-02 12:46 ` Simon Horman
2018-03-02 13:28 ` Michal Suchánek
2018-03-02 13:32 ` [PATCH v3 1/5] kexec: Return -ENOSYS when kexec does not know how to call KEXEC_FILE_LOAD Michal Suchanek
2018-03-02 13:33 ` [PATCH v3 2/5] kexec: do not special-case the -s option Michal Suchanek
2018-03-02 13:33 ` [PATCH v3 3/5] kexec: add option to revert -s Michal Suchanek
2018-03-02 13:33 ` [PATCH v3 4/5] kexec: fallback to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported Michal Suchanek
2018-03-02 13:55 ` Michal Suchánek
2018-03-05 12:52 ` [PATCH] kexec: add option to fall back " Michal Suchanek
2018-03-02 13:33 ` [PATCH v3 5/5] kexec: document -s, -c and -a options Michal Suchanek
2018-03-05 1:51 ` [PATCH 4/5] kexec: fallback to KEXEC_LOAD when KEXEC_FILE_LOAD is not supported Dave Young
2018-03-02 12:44 ` Simon Horman
2018-03-13 20:43 ` Michal Suchánek
2018-02-26 12:00 ` [PATCH 5/5] kexec: document -s and -c options Michal Suchanek
2018-03-02 12:34 ` [PATCH 1/5] kexec: Return -ENOSYS when kexec does not know how to call KEXEC_FILE_LOAD Simon Horman
2018-03-02 13:44 ` Michal Suchánek
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