linux-kernel - Re: [PATCH] Revert "scsi: mpt3sas: Fix secure erase premature termination"

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Message-ID: <20170116163040.GB15938@gmail.com>
Date:   Mon, 16 Jan 2017 17:30:40 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     James Bottomley <James.Bottomley@...senPartnership.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sathya Prakash <sathya.prakash@...adcom.com>,
        Chaitra P B <chaitra.basappa@...adcom.com>,
        Suganath Prabu Subramani 
        <suganath-prabu.subramani@...adcom.com>,
        Sreekanth Reddy <Sreekanth.Reddy@...adcom.com>,
        Hannes Reinecke <hare@...e.de>,
        linux-scsi <linux-scsi@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] Revert "scsi: mpt3sas: Fix secure erase premature
 termination"


* James Bottomley <James.Bottomley@...senPartnership.com> wrote:

> On Mon, 2017-01-16 at 10:22 +0100, Ingo Molnar wrote:
> > * James Bottomley <James.Bottomley@...senPartnership.com> wrote:
> > 
> > > On Sun, 2017-01-15 at 10:19 +0100, Ingo Molnar wrote:
> > > > So there's a new mpt3sas SCSI driver boot regression, introduced
> > > > in 
> > > > this merge window, which made one of my servers unbootable.
> > > 
> > > We're not reverting a fix that would cause regressions for others. 
> > 
> > You really need to reconsider that stance ...
> > 
> > > However, The fix was manifestly wrong, so does this fix of the fix
> > > work for you:
> > > 
> > > http://marc.info/?l=linux-scsi&m=148329237807604
> > > 
> > > It's been languishing a bit because no-one seemed to care enough to
> > > test or review it.  IOf you can add a tested by, that will give the
> > > two
> > > we need to push it.
> > 
> > I have tested your other patch that you pointed to:
> > 
> >   http://marc.info/?l=linux-scsi&m=148449968522828
> > 
> > Which patch fixes the bug too (I removed my revert first) - so you
> > can add my:
> > 
> >   Reported-by: Ingo Molnar <mingo@...nel.org>
> >   Tested-by: Ingo Molnar <mingo@...nel.org>
> 
> Thanks ... just checking you tested the second version with the
> concurrency part?

I tested the one I linked to:

   http://marc.info/?l=linux-scsi&m=148449968522828

I don't know which version that is exactly, I just tested what you asked me to 
test.

Thanks,

	Ingo