Messages in this thread | | | From | "Ghannam, Yazen" <> | Subject | RE: [PATCH v2 3/6] EDAC/amd64: Use a macro for iterating over Unified Memory Controllers | Date | Wed, 27 Feb 2019 14:50:41 +0000 |
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> -----Original Message----- > From: linux-edac-owner@vger.kernel.org <linux-edac-owner@vger.kernel.org> On Behalf Of Borislav Petkov > Sent: Tuesday, February 26, 2019 3:53 PM > To: Ghannam, Yazen <Yazen.Ghannam@amd.com> > Cc: linux-edac@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH v2 3/6] EDAC/amd64: Use a macro for iterating over Unified Memory Controllers > > On Tue, Feb 26, 2019 at 05:25:46PM +0000, Ghannam, Yazen wrote: > > From: Yazen Ghannam <yazen.ghannam@amd.com> > > > > Define and use a macro for looping over the number of Unified Memory > > Controllers. > > > > No functional change. > > > > Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> > > --- > > Link: > > https://lkml.kernel.org/r/20190219202536.15462-2-Yazen.Ghannam@amd.com > > > > v1->v2: > > * New in V2. Please see comment on Patch 2 V1 at link above. > > > > drivers/edac/amd64_edac.c | 17 ++++++++++------- > > 1 file changed, 10 insertions(+), 7 deletions(-) > > > > diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c > > index 0038fcb0b010..c82aafb7246a 100644 > > --- a/drivers/edac/amd64_edac.c > > +++ b/drivers/edac/amd64_edac.c > > @@ -449,6 +449,9 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct, > > #define for_each_chip_select_mask(i, dct, pvt) \ > > for (i = 0; i < pvt->csels[dct].m_cnt; i++) > > > > +#define for_each_umc(i) \ > > + for (i = 0; i < num_umcs; i++) > > + > > /* > > * @input_addr is an InputAddr associated with the node given by mci. Return the > > * csrow that input_addr maps to, or -1 on failure (no csrow claims input_addr). > > @@ -722,7 +725,7 @@ static unsigned long determine_edac_cap(struct amd64_pvt *pvt) > > if (pvt->umc) { > > u8 i, umc_en_mask = 0, dimm_ecc_en_mask = 0; > > > > - for (i = 0; i < num_umcs; i++) { > > + for_each_umc(i) { > > Hmm, maybe I didn't express myself as clearly as I should have, before. > Sorry about that. > > But if you sort the patches this way: > > 1. Add for_each_umc() and convert code to use it > 2. add num_umcs and convert for_each_umc() to use it > > You won't have to touch the loops twice in patches 2 and 3 and your > diffstat will be a lot smaller. > > Makes sense? >
Yep, makes sense.
I can send out another version soon. Do you have any comments on the other patches?
Thanks, Yazen
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