From: David Miller <davem@davemloft.net>
To: pasha.tatashin@oracle.com
Cc: linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org,
linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
x86@kernel.org, kasan-dev@googlegroups.com,
borntraeger@de.ibm.com, heiko.carstens@de.ibm.com,
willy@infradead.org, mhocko@kernel.org,
ard.biesheuvel@linaro.org, will.deacon@arm.com,
catalin.marinas@arm.com, sam@ravnborg.org,
mgorman@techsingularity.net, Steven.Sistare@oracle.com,
daniel.m.jordan@oracle.com, bob.picco@oracle.com
Subject: Re: [PATCH v7 07/11] sparc64: optimized struct page zeroing
Date: Wed, 30 Aug 2017 10:46:08 -0700 (PDT) [thread overview]
Message-ID: <20170830.104608.2080967179463692935.davem@davemloft.net> (raw)
In-Reply-To: <e07c05b1-c0be-bf7f-9a29-11dc41b79d10@oracle.com>
From: Pasha Tatashin <pasha.tatashin@oracle.com>
Date: Wed, 30 Aug 2017 09:19:58 -0400
> The reason I am not doing initializing stores is because they require
> a membar, even if only regular stores are following (I hoped to do a
> membar before first load). This is something I was thinking was not
> true, but after consulting with colleagues and checking processor
> manual, I verified that it is the case.
Oh yes, that's right, now I remember.
next prev parent reply other threads:[~2017-08-30 17:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-29 2:02 [PATCH v7 00/11] complete deferred page initialization Pavel Tatashin
2017-08-29 2:02 ` [PATCH v7 01/11] x86/mm: setting fields in deferred pages Pavel Tatashin
2017-08-29 2:02 ` [PATCH v7 02/11] sparc64/mm: " Pavel Tatashin
2017-08-30 1:09 ` David Miller
2017-08-29 2:02 ` [PATCH v7 03/11] mm: deferred_init_memmap improvements Pavel Tatashin
2017-08-29 2:02 ` [PATCH v7 04/11] sparc64: simplify vmemmap_populate Pavel Tatashin
2017-08-30 1:08 ` David Miller
2017-08-29 2:02 ` [PATCH v7 05/11] mm: defining memblock_virt_alloc_try_nid_raw Pavel Tatashin
2017-08-29 2:02 ` [PATCH v7 06/11] mm: zero struct pages during initialization Pavel Tatashin
2017-08-29 2:02 ` [PATCH v7 07/11] sparc64: optimized struct page zeroing Pavel Tatashin
2017-08-30 1:12 ` David Miller
2017-08-30 13:19 ` Pasha Tatashin
2017-08-30 17:46 ` David Miller [this message]
2017-08-29 2:02 ` [PATCH v7 08/11] mm: zero reserved and unavailable struct pages Pavel Tatashin
2017-08-30 21:22 ` kbuild test robot
2017-08-30 23:12 ` kbuild test robot
2017-08-29 2:02 ` [PATCH v7 09/11] x86/kasan: explicitly zero kasan shadow memory Pavel Tatashin
2017-08-29 2:02 ` [PATCH v7 10/11] arm64/kasan: " Pavel Tatashin
2017-08-29 2:02 ` [PATCH v7 11/11] mm: stop zeroing memory during allocation in vmemmap Pavel Tatashin
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