Re: [PATCH v2 2/2] livepatch: Delete the associated module of disabled livepatch

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On Thu, May 09, 2024 at 10:17:43AM +0800, Yafang Shao wrote:
> On Wed, May 8, 2024 at 3:03 PM Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
> >
> > On Wed, May 08, 2024 at 02:01:29PM +0800, Yafang Shao wrote:
> > > On Wed, May 8, 2024 at 1:16 PM Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
> > > > If klp_patch.replace is set on the new patch then it will replace all
> > > > previous patches.
> > >
> > > A scenario exists wherein a user could simultaneously disable a loaded
> > > livepatch, potentially resulting in it not being replaced by the new
> > > patch. While theoretical, this possibility is not entirely
> > > implausible.
> >
> > Why does it matter whether it was replaced, or was disabled beforehand?
> > Either way the end result is the same.
> 
> When users disable the livepatch, the corresponding kernel module may
> sometimes be removed, while other times it remains intact. This
> inconsistency has the potential to confuse users.

I'm afraid I don't understand.  Can you give an example scenario?

-- 
Josh




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