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From: Will Deacon <will.deacon@arm.com>
To: Pavel Tatashin <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,
	davem@davemloft.net, willy@infradead.org,
	Michal Hocko <mhocko@kernel.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Mark Rutland <mark.rutland@arm.com>,
	catalin.marinas@arm.com, sam@ravnborg.org,
	mgorman@techsingularity.net,
	Steve Sistare <steven.sistare@oracle.com>,
	daniel.m.jordan@oracle.com, bob.picco@oracle.com
Subject: Re: [PATCH v11 7/9] arm64/kasan: add and use kasan_map_populate()
Date: Fri, 13 Oct 2017 17:18:09 +0100	[thread overview]
Message-ID: <20171013161809.GE4746@arm.com> (raw)
In-Reply-To: <CAOAebxv=u4cKS=_Bvyqs7pDA=5Oi0HNWvC4zRmhCiaEUMgQu3w@mail.gmail.com>

On Fri, Oct 13, 2017 at 12:00:27PM -0400, Pavel Tatashin wrote:
> BTW, don't we need the same aligments inside for_each_memblock() loop?

Hmm, yes actually, given that we shift them right for the shadow address.

> How about change kasan_map_populate() to accept regular VA start, end
> address, and convert them internally after aligning to PAGE_SIZE?

That's what my original patch did, but it doesn't help on its own because
kasan_populate_zero_shadow would need the same change.

Will

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  reply	other threads:[~2017-10-13 16:18 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-09 22:19 [PATCH v11 0/9] complete deferred page initialization Pavel Tatashin
2017-10-09 22:19 ` [PATCH v11 1/9] x86/mm: setting fields in deferred pages Pavel Tatashin
2017-10-09 22:19 ` [PATCH v11 2/9] sparc64/mm: " Pavel Tatashin
2017-10-09 22:19 ` [PATCH v11 3/9] sparc64: simplify vmemmap_populate Pavel Tatashin
2017-10-09 22:19 ` [PATCH v11 4/9] mm: defining memblock_virt_alloc_try_nid_raw Pavel Tatashin
2017-10-09 22:19 ` [PATCH v11 5/9] mm: zero reserved and unavailable struct pages Pavel Tatashin
2017-10-10 13:44   ` Michal Hocko
2017-10-10 14:09     ` Michal Hocko
2017-10-10 14:30       ` Pavel Tatashin
2017-10-09 22:19 ` [PATCH v11 6/9] x86/kasan: add and use kasan_map_populate() Pavel Tatashin
2017-10-09 22:19 ` [PATCH v11 7/9] arm64/kasan: " Pavel Tatashin
2017-10-10 15:56   ` Will Deacon
2017-10-10 17:07     ` Pavel Tatashin
2017-10-10 17:10       ` Will Deacon
2017-10-10 17:41         ` Pavel Tatashin
2017-10-13 14:10           ` Pavel Tatashin
2017-10-13 14:43             ` Will Deacon
2017-10-13 14:56               ` Mark Rutland
2017-10-13 15:02                 ` Pavel Tatashin
2017-10-13 15:09               ` Pavel Tatashin
2017-10-13 15:34                 ` Pavel Tatashin
2017-10-13 15:44                 ` Will Deacon
2017-10-13 15:54                   ` Pavel Tatashin
2017-10-13 16:00                     ` Pavel Tatashin
2017-10-13 16:18                       ` Will Deacon [this message]
2017-10-09 22:19 ` [PATCH v11 8/9] mm: stop zeroing memory during allocation in vmemmap Pavel Tatashin
2017-10-09 22:19 ` [PATCH v11 9/9] sparc64: optimized struct page zeroing Pavel Tatashin
2017-10-10 14:15 ` [PATCH v11 0/9] complete deferred page initialization Michal Hocko
2017-10-10 17:19   ` Pavel Tatashin

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