Messages in this thread | | | Subject | Re: [PATCH] acpi/nfit: Fix user-initiated ARS to be "ARS-long" rather than "ARS-short" | From | Dave Jiang <> | Date | Mon, 3 Dec 2018 13:12:24 -0700 |
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On 12/3/2018 11:30 AM, Dan Williams wrote: > A "short" ARS (address range scrub) instructs the platform firmware to > return known errors. In contrast, a "long" ARS instructs platform > firmware to arrange every data address on the DIMM to be read / checked > for poisoned data. > > The conversion of the flags in commit d3abaf43bab8 "acpi, nfit: Fix > Address Range Scrub completion tracking", changed the meaning of passing > '0' to acpi_nfit_ars_rescan(). Previously '0' meant "not short", now '0' > is ARS_REQ_SHORT. Pass ARS_REQ_LONG to restore the expected scrub-type > behavior of user-initiated ARS sessions. > > Fixes: d3abaf43bab8 ("acpi, nfit: Fix Address Range Scrub completion tracking") > Reported-by: Jacek Zloch <jacek.zloch@intel.com> > Cc: Vishal Verma <vishal.l.verma@intel.com> > Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> > --- > drivers/acpi/nfit/core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c > index 14d9f5bea015..5912d30020c7 100644 > --- a/drivers/acpi/nfit/core.c > +++ b/drivers/acpi/nfit/core.c > @@ -1308,7 +1308,7 @@ static ssize_t scrub_store(struct device *dev, > if (nd_desc) { > struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc); > > - rc = acpi_nfit_ars_rescan(acpi_desc, 0); > + rc = acpi_nfit_ars_rescan(acpi_desc, ARS_REQ_LONG); > } > device_unlock(dev); > if (rc) > > _______________________________________________ > Linux-nvdimm mailing list > Linux-nvdimm@lists.01.org > https://lists.01.org/mailman/listinfo/linux-nvdimm
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