linux-kernel - Re: [PATCH 4.14 053/143] x86/power: Fix some ordering bugs in __restore_processor

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Message-ID: <20181103084151.GB9057@kroah.com>
Date:   Sat, 3 Nov 2018 09:41:51 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Stable <stable@...r.kernel.org>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>, a.p.zijlstra@...llo.nl,
        Borislav Petkov <bp@...en8.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 4.14 053/143] x86/power: Fix some ordering bugs in
 __restore_processor_context()

On Sat, Nov 03, 2018 at 09:40:16AM +0100, Greg Kroah-Hartman wrote:
> On Fri, Nov 02, 2018 at 07:17:34PM -0400, Sasha Levin wrote:
> > On Fri, Nov 02, 2018 at 08:19:36PM +0000, Sudip Mukherjee wrote:
> > > Hi Greg,
> > > 
> > > On Fri, Nov 2, 2018 at 6:51 PM Greg Kroah-Hartman
> > > <gregkh@...uxfoundation.org> wrote:
> > > > 
> > > > 4.14-stable review patch.  If anyone has any objections, please let me know.
> > > 
> > > This has been fixed by another upstream commit:
> > > 7ee18d677989 ("x86/power: Make restore_processor_context() sane")
> > > 
> > > You can not directly apply it, will need backporting.
> > 
> > It depends on the following commits:
> > 
> > 5b06bbcfc2c6 x86/power: Fix some ordering bugs in __restore_processor_context()
> > 090edbe23ff5 x86/power/64: Use struct desc_ptr for the IDT in struct saved_context
> > 896c80bef4d3 x86/power/32: Move SYSENTER MSR restoration to fix_processor_context()
> > 7ee18d677989 x86/power: Make restore_processor_context() sane
> > 
> > Greg, any objections to pulling them all in?
> 
> No objection, but can I just drop this patch here (it's also in the 4.9
> queue) and then all of these be added to your next round of patches to
> be pulled in after this release?
> 
> That should make it easier, and more ovbious to test this all together.

I've now dropped this patch from the 4.9 and 4.14 queues as that makes
sense here.

thanks,

greg k-h