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Message-ID: <20191006233817.GC15594@linux.intel.com>
Date: Mon, 7 Oct 2019 02:38:17 +0300
From: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To: Sean Christopherson <sean.j.christopherson@...el.com>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org,
linux-sgx@...r.kernel.org, akpm@...ux-foundation.org,
dave.hansen@...el.com, nhorman@...hat.com, npmccallum@...hat.com,
serge.ayoun@...el.com, shay.katz-zamir@...el.com,
haitao.huang@...el.com, andriy.shevchenko@...ux.intel.com,
tglx@...utronix.de, kai.svahn@...el.com, bp@...en8.de,
josh@...htriplett.org, luto@...nel.org, kai.huang@...el.com,
rientjes@...gle.com, cedric.xing@...el.com,
Andy Lutomirski <luto@...capital.net>,
Dave Hansen <dave.hansen@...ux.intel.com>
Subject: Re: [PATCH v22 16/24] x86/vdso: Add support for exception fixup in
vDSO functions
On Fri, Oct 04, 2019 at 09:52:21PM +0300, Jarkko Sakkinen wrote:
> On Thu, Oct 03, 2019 at 05:15:00PM -0700, Sean Christopherson wrote:
> > I'll tackle this tomorrow. I've been working on the feature control MSR
> > series and will get that sent out tomorrow as well. I should also be able
> > to get you the multi-page EADD patch.
>
> Great I'll compose the patch set during the weekend and take Monday off
> so you have the full work day to get everything (probably send the patch
> set on Sunday).
I don't see why the multipage version could not be ioctl of its own and
ioctl's can then use the same internals. Having a single page version
does not cause any kind of bottleneck really.
Thus, sending now v23 based on these conclusions.
/Jarkko
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