From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 23 Jan 2018 08:25:33 +0100 From: "gregkh@linuxfoundation.org" To: Andy Lutomirski Cc: "Zhang, Ning A" , "tglx@linutronix.de" , "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: backport Rewrite sync_core() to use IRET-to-self to stable kernels? Message-ID: <20180123072533.GA17566@kroah.com> References: <027FCDD209E4CC4181A7B9D5DBB880575FDD83D2@SHSMSX104.ccr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Mon, Jan 22, 2018 at 07:06:29PM -0800, Andy Lutomirski wrote: > On Mon, Jan 22, 2018 at 6:59 PM, Zhang, Ning A wrote: > > hello, Greg, Andy, Thomas > > > > would you like to backport these two patches to LTS kernel? > > > > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/arch/x86/include/asm/processor.h?h=v4.14.14&id=1c52d859cb2d417e7216d3e56bb7fea88444cec9 > > > > x86/asm/32: Make sync_core() handle missing CPUID on all 32-bit kernels > > > > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/arch/x86/include/asm/processor.h?h=v4.14.14&id=c198b121b1a1d7a7171770c634cd49191bac4477 > > > > x86/asm: Rewrite sync_core() to use IRET-to-self > > > > I'd be in favor of backporting > 1c52d859cb2d417e7216d3e56bb7fea88444cec9. I see no compelling reason > to backport the other one, since it doesn't fix a bug. Greg, can you > do this? I'll work on this after this round of stable kernels are released. thanks, greg k-h