From: Balbir Singh <bsingharora@gmail.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
paulus@samba.org, mpe@ellerman.id.au
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v7 3/7] powerpc/mm: Introduce _PAGE_LARGE software pte bits
Date: Wed, 30 Nov 2016 11:50:32 +1100 [thread overview]
Message-ID: <dbe2f49e-8192-890a-6d94-16639bc9b1a7@gmail.com> (raw)
In-Reply-To: <1480466113.3459.2.camel@kernel.crashing.org>
On 30/11/16 11:35, Benjamin Herrenschmidt wrote:
> On Wed, 2016-11-30 at 11:14 +1100, Balbir Singh wrote:
>>> +#define _RPAGE_RSV1 0x1000000000000000UL
>>> +#define _RPAGE_RSV2 0x0800000000000000UL
>>> +#define _RPAGE_RSV3 0x0400000000000000UL
>>> +#define _RPAGE_RSV4 0x0200000000000000UL
>>> +
>>
>> We use the top 4 bits and not the _SW bits?
>
> Correct, welcome to the discussion we've been having the last 2 weeks
> :-)
>
I thought we were following Paul's suggestion here
https://lists.ozlabs.org/pipermail/linuxppc-dev/2016-November/151620.html
and I also noticed
https://lists.ozlabs.org/pipermail/linuxppc-dev/2016-November/151624.html
My bad, I thought we had two SW bits to use for DD1
Balbir Singh.
next prev parent reply other threads:[~2016-11-30 0:50 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-28 6:16 [PATCH v7 0/7] Radix pte update tlbflush optimizations Aneesh Kumar K.V
2016-11-28 6:16 ` [PATCH v7 1/7] powerpc/mm: Rename hugetlb-radix.h to hugetlb.h Aneesh Kumar K.V
2016-11-29 11:33 ` Balbir Singh
2016-11-29 12:58 ` [v7,1/7] " Michael Ellerman
2016-11-28 6:16 ` [PATCH v7 2/7] powerpc/mm/hugetlb: Handle hugepage size supported by hash config Aneesh Kumar K.V
2016-11-29 11:35 ` Balbir Singh
2016-11-28 6:17 ` [PATCH v7 3/7] powerpc/mm: Introduce _PAGE_LARGE software pte bits Aneesh Kumar K.V
2016-11-30 0:14 ` Balbir Singh
2016-11-30 0:35 ` Benjamin Herrenschmidt
2016-11-30 0:50 ` Balbir Singh [this message]
2016-11-28 6:17 ` [PATCH v7 4/7] powerpc/mm: Add radix__tlb_flush_pte Aneesh Kumar K.V
2016-11-28 11:42 ` Michael Ellerman
2016-11-28 6:17 ` [PATCH v7 5/7] powerpc/mm: update radix__ptep_set_access_flag to not do full mm tlb flush Aneesh Kumar K.V
2016-11-28 6:17 ` [PATCH v7 6/7] powerpc/mm: update radix__pte_update " Aneesh Kumar K.V
2016-11-28 6:17 ` [PATCH v7 7/7] powerpc/mm: Batch tlb flush when invalidating pte entries Aneesh Kumar K.V
2016-11-29 11:32 ` [PATCH v7 0/7] Radix pte update tlbflush optimizations Balbir Singh
2016-11-30 4:30 ` Michael Ellerman
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=dbe2f49e-8192-890a-6d94-16639bc9b1a7@gmail.com \
--to=bsingharora@gmail.com \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=benh@kernel.crashing.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
--cc=paulus@samba.org \
/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).