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Groups > linux.kernel > #1470691
| From | Jiri Kosina <jikos@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] livepatch/module: make TAINT_LIVEPATCH module-specific |
| Date | 2016-08-26 15:00 +0200 |
| Message-ID | <saoTL-7aM-23@gated-at.bofh.it> (permalink) |
| References | <sa4s1-2F3-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, 25 Aug 2016, Josh Poimboeuf wrote:
> There's no reliable way to determine which module tainted the kernel
> with TAINT_LIVEPATCH. For example, /sys/module/<klp module>/taint
> doesn't report it. Neither does the "mod -t" command in the crash tool.
>
> Make it crystal clear who the guilty party is by associating
> TAINT_LIVEPATCH with any module which sets the "livepatch" modinfo
> attribute. The flag will still get set in the kernel like before, but
> now it also sets the same flag in mod->taint.
>
> Note that now the taint flag gets set when the module is loaded rather
> than when it's enabled.
>
> I also renamed find_livepatch_modinfo() to check_modinfo_livepatch() to
> better reflect its purpose: it's basically a livepatch-specific
> sub-function of check_modinfo().
>
> Reported-by: Chunyu Hu <chuhu@redhat.com>
> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
I've preserved the acks from v1 (*) and applied. Thanks.
(*) Rusty's and Jessica's. If either if you disagrees with that, please
let me know
--
Jiri Kosina
SUSE Labs
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[PATCH v2] livepatch/module: make TAINT_LIVEPATCH module-specific Josh Poimboeuf <jpoimboe@redhat.com> - 2016-08-25 17:10 +0200 Re: [PATCH v2] livepatch/module: make TAINT_LIVEPATCH module-specific Petr Mladek <pmladek@suse.com> - 2016-08-25 17:20 +0200 Re: [PATCH v2] livepatch/module: make TAINT_LIVEPATCH module-specific Miroslav Benes <mbenes@suse.cz> - 2016-08-26 11:10 +0200 Re: [PATCH v2] livepatch/module: make TAINT_LIVEPATCH module-specific Jiri Kosina <jikos@kernel.org> - 2016-08-26 15:00 +0200
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