Messages in this thread | | | Date | Wed, 24 Apr 2019 20:31:26 +0200 (CEST) | From | Miroslav Benes <> | Subject | Re: [PATCH 1/3] livepatch: Convert error about unsupported reliable stacktrace into a warning |
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On Wed, 24 Apr 2019, Petr Mladek wrote:
> The commit d0807da78e11d46f ("livepatch: Remove immediate feature") caused > that any livepatch was refused when reliable stacktraces were not supported > on the given architecture. > > The limitation is too strong. User space processes are safely migrated > even when entering or leaving the kernel. Kthreads transition would > need to get forced. But it is safe when: > > + The livepatch does not change the semantic of the code. > + Callbacks do not depend on a safely finished transition. > > Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com> > Signed-off-by: Petr Mladek <pmladek@suse.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Miroslav
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