Re: [PATCH] EDAC, pnd2: Fix ioremap() size in dnv_rd_reg()

From: Luck, Tony
Date: Fri Aug 09 2019 - 13:25:36 EST


On Fri, Aug 09, 2019 at 02:18:02PM +0000, Stephen Douthit wrote:
> Depending on how BIOS has marked the reserved region containing the 32KB
> MCHBAR you can get warnings like:
>
> resource sanity check: requesting [mem 0xfed10000-0xfed1ffff], which spans more than reserved [mem 0xfed10000-0xfed17fff]
> caller dnv_rd_reg+0xc8/0x240 [pnd2_edac] mapping multiple BARs
>
> Not all of the mmio regions used in dnv_rd_reg() are the same size. The
> MCHBAR window is 32KB and the sideband ports are 64KB. Pass the correct
> size to ioremap() depending on which resource we're reading from.

Applied. Thanks.

-Tony

[Boris/Mauro: I pushed to edac-for-next branch in ras tree
git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git]