From: "Michael S. Tsirkin" <mst@redhat.com> To: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org>, "H. Peter Anvin" <hpa@zytor.com>, Andy Lutomirski <luto@amacapital.net>, Andy Lutomirski <luto@kernel.org>, Davidlohr Bueso <dave@stgolabs.net>, Davidlohr Bueso <dbueso@suse.de>, Peter Zijlstra <peterz@infradead.org>, the arch/x86 maintainers <x86@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, virtualization <virtualization@lists.linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, Ingo Molnar <mingo@kernel.org> Subject: Re: [PATCH 3/4] x86,asm: Re-work smp_store_mb() Date: Wed, 13 Jan 2016 18:25:21 +0200 [thread overview] Message-ID: <20160113182505-mutt-send-email-mst@redhat.com> (raw) In-Reply-To: <20160113161704.GA13146@pd.tnic> On Wed, Jan 13, 2016 at 05:17:04PM +0100, Borislav Petkov wrote: > On Tue, Jan 12, 2016 at 03:24:05PM -0800, Linus Torvalds wrote: > > But talking to the hw people about this is certainly a good idea regardless. > > I'm not seeing it in this thread but I might've missed it too. Anyway, > I'm being reminded that the ADD will change rFLAGS while MFENCE doesn't > touch them. > > Do we care? Which flag do you refer to, exactly? > -- > Regards/Gruss, > Boris. > > ECO tip #101: Trim your mails when you reply.
WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com> To: Borislav Petkov <bp@alien8.de> Cc: Davidlohr Bueso <dave@stgolabs.net>, Davidlohr Bueso <dbueso@suse.de>, Peter Zijlstra <peterz@infradead.org>, the arch/x86 maintainers <x86@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Andy Lutomirski <luto@amacapital.net>, Andy Lutomirski <luto@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, Thomas Gleixner <tglx@linutronix.de>, virtualization <virtualization@lists.linux-foundation.org>, Linus Torvalds <torvalds@linux-foundation.org>, Ingo Molnar <mingo@kernel.org> Subject: Re: [PATCH 3/4] x86,asm: Re-work smp_store_mb() Date: Wed, 13 Jan 2016 18:25:21 +0200 [thread overview] Message-ID: <20160113182505-mutt-send-email-mst@redhat.com> (raw) In-Reply-To: <20160113161704.GA13146@pd.tnic> On Wed, Jan 13, 2016 at 05:17:04PM +0100, Borislav Petkov wrote: > On Tue, Jan 12, 2016 at 03:24:05PM -0800, Linus Torvalds wrote: > > But talking to the hw people about this is certainly a good idea regardless. > > I'm not seeing it in this thread but I might've missed it too. Anyway, > I'm being reminded that the ADD will change rFLAGS while MFENCE doesn't > touch them. > > Do we care? Which flag do you refer to, exactly? > -- > Regards/Gruss, > Boris. > > ECO tip #101: Trim your mails when you reply.
next prev parent reply other threads:[~2016-01-13 16:25 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-10-27 19:53 [PATCH -tip 0/4] A few updates around smp_store_mb() Davidlohr Bueso 2015-10-27 19:53 ` [PATCH 1/4] arch,cmpxchg: Remove tas() definitions Davidlohr Bueso 2015-12-04 12:01 ` [tip:locking/core] locking/cmpxchg, arch: " tip-bot for Davidlohr Bueso 2015-10-27 19:53 ` [PATCH 2/4] arch,barrier: Use smp barriers in smp_store_release() Davidlohr Bueso 2015-10-27 20:03 ` Davidlohr Bueso 2015-12-04 12:01 ` [tip:locking/core] lcoking/barriers, arch: " tip-bot for Davidlohr Bueso 2015-10-27 19:53 ` [PATCH 3/4] x86,asm: Re-work smp_store_mb() Davidlohr Bueso 2015-10-27 21:33 ` Linus Torvalds 2015-10-27 22:01 ` Davidlohr Bueso 2015-10-27 22:37 ` Peter Zijlstra 2015-10-28 19:49 ` Davidlohr Bueso 2015-11-02 20:15 ` Davidlohr Bueso 2015-11-03 0:06 ` Linus Torvalds 2015-11-03 1:36 ` Davidlohr Bueso 2016-01-12 13:57 ` Michael S. Tsirkin 2016-01-12 13:57 ` Michael S. Tsirkin 2016-01-12 17:20 ` Linus Torvalds 2016-01-12 17:20 ` Linus Torvalds 2016-01-12 17:45 ` Michael S. Tsirkin 2016-01-12 17:45 ` Michael S. Tsirkin 2016-01-12 18:04 ` Linus Torvalds 2016-01-12 18:04 ` Linus Torvalds 2016-01-12 20:30 ` Andy Lutomirski 2016-01-12 20:54 ` Linus Torvalds 2016-01-12 20:54 ` Linus Torvalds 2016-01-12 20:59 ` Andy Lutomirski 2016-01-12 20:59 ` Andy Lutomirski 2016-01-12 21:37 ` Linus Torvalds 2016-01-12 21:37 ` Linus Torvalds 2016-01-12 22:14 ` Michael S. Tsirkin 2016-01-12 22:14 ` Michael S. Tsirkin 2016-01-13 16:20 ` Michael S. Tsirkin 2016-01-13 16:20 ` Michael S. Tsirkin 2016-01-12 22:21 ` Michael S. Tsirkin 2016-01-12 22:21 ` Michael S. Tsirkin 2016-01-12 22:55 ` H. Peter Anvin 2016-01-12 22:55 ` H. Peter Anvin 2016-01-12 23:24 ` Linus Torvalds 2016-01-12 23:24 ` Linus Torvalds 2016-01-13 16:17 ` Borislav Petkov 2016-01-13 16:17 ` Borislav Petkov 2016-01-13 16:25 ` Michael S. Tsirkin [this message] 2016-01-13 16:25 ` Michael S. Tsirkin 2016-01-13 16:33 ` Borislav Petkov 2016-01-13 16:33 ` Borislav Petkov 2016-01-13 16:42 ` Michael S. Tsirkin 2016-01-13 16:42 ` Michael S. Tsirkin 2016-01-13 16:53 ` Borislav Petkov 2016-01-13 16:53 ` Borislav Petkov 2016-01-13 17:00 ` Michael S. Tsirkin 2016-01-13 17:00 ` Michael S. Tsirkin 2016-01-13 18:38 ` Linus Torvalds 2016-01-13 18:38 ` Linus Torvalds 2015-10-27 19:53 ` [PATCH 4/4] doc,smp: Remove ambiguous statement in smp_store_mb() Davidlohr Bueso 2015-12-04 12:01 ` [tip:locking/core] locking/barriers, arch: Remove ambiguous statement in the smp_store_mb() documentation tip-bot for Davidlohr Bueso 2015-10-27 23:27 ` [PATCH 1/4] arch,cmpxchg: Remove tas() definitions David Howells
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