linux-kernel - Re: [tpmdd-devel] tpm

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Message-ID: <20161103125355.mo6pmlvswyo7h2jg@intel.com>
Date:   Thu, 3 Nov 2016 06:53:55 -0600
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     "Winkler, Tomas" <tomas.winkler@...el.com>
Cc:     "tpmdd-devel@...ts.sourceforge.net" 
        <tpmdd-devel@...ts.sourceforge.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        stable@...r.kernel.org
Subject: Re: [tpmdd-devel] tpm_tis regression in 4.9?

On Tue, Nov 01, 2016 at 08:56:47PM +0000, Winkler, Tomas wrote:
> > 
> > On Mon, Oct 31, 2016 at 08:16:59PM +0000, Winkler, Tomas wrote:
> > > >
> > > > On Fri, Oct 28, 2016 at 05:37:45PM +0300, Jarkko Sakkinen wrote:
> > > >
> > > > > > I think this patch from Jarkko's next is the fix:
> > > > > >
> > > > > > http://git.infradead.org/users/jjs/linux-tpmdd.git/commit/65da72b7dd
> > > > > > cdd8990e4783d09c7e86d90ccb4121
> > > > > >
> > > > > > Jarkko? Can you hurry that along to go in for -rc?
> > > > >
> > > > > Do you think I should resend the pull request?
> > > >
> > > > That or a ping. This patch needs to land right away since it is breaking 4.9.
> > > >
> > > > Jason
> > >
> > > Jarrko, why we didn't request pull for fix Intel PTT patches, as well for 4.9?
> > 
> > Which patches are you talking about?
> 
> 213ebc81ac3f tmp/tpm_crb: implement runtime pm for tpm_crb
> a0cb67590dff tpm/tpm_crb: open code the crb_init into acpi_add
> 4d73afd9c0fd tmp/tpm_crb: fix Intel PTT hw bug during idle state
> 34483fbffd83 tpm/tpm_crb: implement tpm crb idle state

I can propose these to the stable series. Not having power gating is not
a kernel regression but important enough for the stable IMHO.

I wonder what is the process of proposing something to stable if you do
not have a commit ID for regression?

> Thanks
> Tomas

/Jarkko