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Date: Wed, 27 Nov 2013 15:47:55 -0800 From: "H. Peter Anvin" <hpa@...or.com> To: Borislav Petkov <bp@...en8.de> CC: Linus Torvalds <torvalds@...ux-foundation.org>, Andy Lutomirski <luto@...capital.net>, Andi Kleen <andi@...stfloor.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...nel.org>, Andi Kleen <ak@...ux.intel.com>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: [PATCH] Add a text_poke syscall v2 On 11/27/2013 03:40 PM, Borislav Petkov wrote: > > But I'd guess that depends on the uarch because Bulldozer, reportedly, > implements MFENCE by causing a pipeline stall which controls the > prefetches too: > An implementation can always make the memory model stronger, but not weaker. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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