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Date: Fri, 6 Nov 2015 16:51:59 -0800 From: "H. Peter Anvin" <hpa@...or.com> To: Dan Williams <dan.j.williams@...el.com>, Thomas Gleixner <tglx@...utronix.de> Cc: Ross Zwisler <ross.zwisler@...ux.intel.com>, Jeff Moyer <jmoyer@...hat.com>, linux-nvdimm <linux-nvdimm@...1.01.org>, X86 ML <x86@...nel.org>, Dave Chinner <david@...morbit.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...hat.com>, Jan Kara <jack@...e.com> Subject: Re: [PATCH 0/2] "big hammer" for DAX msync/fsync correctness On 11/06/15 15:17, Dan Williams wrote: >> >> Is it really required to do that on all cpus? > > I believe it is, but I'll double check. > It's required on all CPUs on which the DAX memory may have been dirtied. This is similar to the way we flush TLBs. -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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