Re: [Linux-nvdimm] [PATCH 03/21] nd_acpi: initial core implementation and nfit skeleton
From: Dan Williams
Date: Tue Apr 28 2015 - 15:21:28 EST
On Tue, Apr 28, 2015 at 5:53 AM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
> On Fri, Apr 17, 2015 at 09:35:30PM -0400, Dan Williams wrote:
>> new file mode 100644
>> index 000000000000..5fa74f124b3e
>> --- /dev/null
>> +++ b/drivers/block/nd/Kconfig
>> @@ -0,0 +1,44 @@
>> +config ND_ARCH_HAS_IOREMAP_CACHE
>> + depends on (X86 || IA64 || ARM || ARM64 || SH || XTENSA)
>> + def_bool y
> As mentioned before please either define this symbol in each
> arch Kconfig, or just ensure every architecture proides a stub.
> But more importantly it doesn't seem like you're actually using
> ioremap_cache anywhere. Allowing a cached ioremap would be a very
> worthwile addition to the pmem drivers once we have the proper
> memcpy functions making it safe, and is one of the high priority
> todo items for the pmem driver.
>> +menuconfig NFIT_DEVICES
>> + bool "NVDIMM (NFIT) Support"
> Please just call all the symbolc and file names nvdimm instead of nfit
> or nd to make eryones life simpler for the generic code. Just use the
> EFI/ACPI terminology in those parts that actually parse those tables.
Done in v2.
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