Date: Fri, 7 Aug 2015 11:10:34 -0500 From: Nathan Lynch <Nathan_Lynch@...tor.com> To: Andy Lutomirski <luto@...capital.net> CC: Andy Lutomirski <luto@...nel.org>, Anton Blanchard <anton@...ba.org>, Martin Schwidefsky <schwidefsky@...ibm.com>, Chris Metcalf <cmetcalf@...era.com>, Richard Kuo <rkuo@...eaurora.org>, X86 ML <x86@...nel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Isaac Dunham <ibid.ag@...il.com>, Rich Felker <dalias@...c.org>, "musl@...ts.openwall.com" <musl@...ts.openwall.com> Subject: Re: [PATCH] x86/vdso: Emit a GNU hash On 08/06/2015 05:52 PM, Andy Lutomirski wrote: > [adding lots of cc's] > > On Thu, Aug 6, 2015 at 2:45 PM, Andy Lutomirski <luto@...nel.org> wrote: >> From: Andy Lutomirski <luto@...capital.net> >> >> Some dynamic loaders may be slightly faster if a GNU hash is >> available. Strangely, this seems to have no effect at all on the >> vdso size. FWIW, I see arch/x86/entry/vdso/vdso64.so increase by 168 bytes here, using GCC 4.9.2, Binutils 2.24 as packaged by Fedora 21. I see a similar increase when I make the equivalent change for ARM.
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