Re: [PATCH 3/3] libnvdimm, pmem: clear poison on write

2016-03-10 Thread Dan Williams
On Thu, Mar 10, 2016 at 4:39 PM, Verma, Vishal L wrote: > On Tue, 2016-03-08 at 14:47 -0800, Dan Williams wrote: >> If a write is directed at a known bad block perform the following: >> >> 1/ write the data >> >> 2/ send a clear poison command >> >> 3/ invalidate the poison out of the cache hierar

Re: [PATCH 3/3] libnvdimm, pmem: clear poison on write

2016-03-10 Thread Verma, Vishal L
On Tue, 2016-03-08 at 14:47 -0800, Dan Williams wrote: > If a write is directed at a known bad block perform the following: > > 1/ write the data > > 2/ send a clear poison command > > 3/ invalidate the poison out of the cache hierarchy > > Cc: > Cc: Vishal Verma > Cc: Ross Zwisler > Signed-

[PATCH 3/3] libnvdimm, pmem: clear poison on write

2016-03-08 Thread Dan Williams
If a write is directed at a known bad block perform the following: 1/ write the data 2/ send a clear poison command 3/ invalidate the poison out of the cache hierarchy Cc: Cc: Vishal Verma Cc: Ross Zwisler Signed-off-by: Dan Williams --- arch/x86/include/asm/pmem.h |5 + drivers/nv