linux-kernel - Re: [UPDATED] [PATCHv4 00/12] arm64: 16K translation granule support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 19 Oct 2015 17:34:40 +0100
From:	Mark Rutland <mark.rutland@....com>
To:	"Suzuki K. Poulose" <suzuki.poulose@....com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	marc.zyngier@....com, will.deacon@....com, catalin.marinas@....com,
	christoffer.dall@...aro.org, steve.capper@...aro.org,
	ard.biesheuvel@...aro.org, jeremy.linton@....com
Subject: Re: [UPDATED] [PATCHv4 00/12] arm64: 16K translation granule support

On Mon, Oct 19, 2015 at 02:19:26PM +0100, Suzuki K. Poulose wrote:
> This series enables the 16K page size support on Linux for arm64.
> Adds support for 48bit VA(4 level), 47bit VA(3 level) and
> 36bit VA(2 level) with 16K. 16K was a late addition to the architecture
> and is not implemented by all CPUs. Added a check to ensure the
> selected granule size is supported by the CPU, failing which the CPU
> won't proceed with booting. Also the kernel page size is added to the
> kernel image header (patch from Ard).
> 
> KVM support has been dropped from this series, as we need to rewrite the
> KVM stage-2 pagetable handling code to get rid of the fake page table
> levels (as recommended by Christoffer and Marc). So, with 16K, we cannot
> run KVM.
> 
> Patches 1-8	cleans up the kernel page size handling code.
> Patch 9		Adds a check to ensure the CPU supports the selected granule size.
> Patch 10		Adds the page size information to image header.
> Patches 11-12	Adds the support for 16K page size

FWIW, for the series:

Acked-by: Mark Rutland <mark.rutland@....com>

Thanks,
Mark.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/