Re: Contextual conflict between kspp and rcu trees

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On Wed, Jun 15, 2022 at 01:35:28PM -0700, Nathan Chancellor wrote:
> On Wed, Jun 15, 2022 at 01:28:00PM -0700, Kees Cook wrote:
> > On Wed, Jun 15, 2022 at 12:55:53PM -0700, Nathan Chancellor wrote:
> > > Per the above RCU commit and commit 6c5218715286 ("context_tracking:
> > > Take IRQ eqs entrypoints over RCU"), it appears that the following diff
> > > is the proper fix up. Would you mind applying it to the merge of
> > > whichever tree comes second if possible? I did build and boot test it
> > > but it would not be a bad idea for Sami and Frederic to verify that it
> > > is correct so that Kees/Paul can mention it to Linus :)
> > 
> > Actually, the CFI fix (and a few others) are meant to be sent for
> > -rc3, so if the ct_irq_enter() change is in -next, this can maybe get
> > sorted out?
> 
> Ah, I had assumed that branch was destined for the next release. If it
> is for 5.19 and they make -rc3 then it should be trivial for Paul to
> either rebase the changes on -rc3 and apply that diff as part of
> "context_tracking: Take IRQ eqs entrypoints over RCU" (if his tree is
> mutable) or just merge -rc3 and apply that diff as part of the merge. I
> don't really care how it gets resolved, just so long as it does :)

My tree will remain mutable for a few more weeks, so we should be
good.  ;-)

							Thanx, Paul



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