From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org
Cc: Steven Munroe <munroesj@linux.vnet.ibm.com>, wschmidt@us.ibm.com
Subject: Re: [PATCH 9/9] powerpc: A new cache shape aux vectors
Date: Thu, 05 Jan 2017 09:03:54 +1100 [thread overview]
Message-ID: <1483567434.15843.28.camel@kernel.crashing.org> (raw)
In-Reply-To: <87lgurkmd4.fsf@linux.vnet.ibm.com>
On Wed, 2017-01-04 at 11:04 -0200, Tulio Magno Quites Machado Filho
> > +#define AT_L1I_CACHESIZE 40
> > +#define AT_L1I_CACHESHAPE 41
> > +#define AT_L1D_CACHESIZE 42
> > +#define AT_L1D_CACHESHAPE 43
> > +#define AT_L2_CACHESIZE 44
> > +#define AT_L2_CACHESHAPE 45
> > +#define AT_L3_CACHESIZE 46
> > +#define AT_L3_CACHESHAPE 47
>
> These names will clash with the other ones defined by alpha and sh:
>
> /* Shapes of the caches. Bits 0-3 contains associativity; bits 4-7
> contains
> log2 of line size; mask those to get cache size. */
> #define AT_L1I_CACHESHAPE 34
> #define AT_L1D_CACHESHAPE 35
> #define AT_L2_CACHESHAPE 36
> #define AT_L3_CACHESHAPE 37
Is this a problem though ? In the kernel at least these are defined in
arch specific headers so there is no clash.
Otherwise, I can change them to *_CACHEGEOMETRY, is that ok ? Or add a
PPC_ prefix...
Cheers,
Ben.
next prev parent reply other threads:[~2017-01-04 22:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-04 5:15 [PATCH 1/9] powerpc: Move ARCH_DLINFO out of uapi Benjamin Herrenschmidt
2017-01-04 5:15 ` [PATCH 2/9] powerpc: Move {d, i, u}cache_bsize definitions to a common place Benjamin Herrenschmidt
2017-01-04 5:15 ` [PATCH 3/9] powerpc: Remove obsolete comment about patching instructions Benjamin Herrenschmidt
2017-01-04 5:15 ` [PATCH 4/9] powerpc/64: Fix naming of cache block vs. cache line Benjamin Herrenschmidt
2017-01-04 5:15 ` [PATCH 5/9] powerpc/64: Retrieve number of L1 cache sets from device-tree Benjamin Herrenschmidt
2017-01-04 5:15 ` [PATCH 6/9] powerpc/64: Clean up ppc64_caches using a struct per cache Benjamin Herrenschmidt
2017-01-04 5:15 ` [PATCH 7/9] powerpc/64: Add L2 and L3 cache shape info Benjamin Herrenschmidt
2017-01-04 5:15 ` [PATCH 8/9] powerpc/64: Hard code cache geometry on POWER8 Benjamin Herrenschmidt
2017-01-04 5:15 ` [PATCH 9/9] powerpc: A new cache shape aux vectors Benjamin Herrenschmidt
2017-01-04 13:04 ` Tulio Magno Quites Machado Filho
2017-01-04 22:03 ` Benjamin Herrenschmidt [this message]
2017-01-05 11:15 ` Tulio Magno Quites Machado Filho
2017-01-10 13:15 ` Segher Boessenkool
2017-01-10 15:18 ` Benjamin Herrenschmidt
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1483567434.15843.28.camel@kernel.crashing.org \
--to=benh@kernel.crashing.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=munroesj@linux.vnet.ibm.com \
--cc=tuliom@linux.vnet.ibm.com \
--cc=wschmidt@us.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).