linux-kernel - Re: [PATCH v2] x86: Remove compat vdso support

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Message-ID: <CA+55aFzC1Xy1VNF46Mj8V8CEc0tyVA76+631xZiF6nk3Gyvc-Q@mail.gmail.com>
Date:	Wed, 12 Mar 2014 14:46:58 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	"H. Peter Anvin" <hpa@...ux.intel.com>
Cc:	Stefani Seibold <stefani@...bold.net>,
	Andy Lutomirski <luto@...capital.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"the arch/x86 maintainers" <x86@...nel.org>,
	Dave Jones <davej@...hat.com>,
	Martin Runge <Martin.Runge@...de-schwarz.com>,
	Andreas Brief <Andreas.Brief@...de-schwarz.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v2] x86: Remove compat vdso support

On Wed, Mar 12, 2014 at 2:37 PM, H. Peter Anvin <hpa@...ux.intel.com> wrote:
>
> How would that deal with the legacy vsyscall case for x86-64?  Just rely
> on the "legacy vsyscall emulation" (which seems to have its own class of
> problems...)?

It does?

We *default* to emulation, and have for over two years now (since
v3.4).  If there are problems with it, we need to fix those.

           Linus
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