Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp1340422imm; Wed, 18 Jul 2018 23:08:45 -0700 (PDT) X-Google-Smtp-Source: AAOMgpc1qCV2EJpBK0nJN7zX5iC8xpsE0qWslj4N7zXzSePN0CqHaPWwgnn7J9+Mgh3cdzrV/3fw X-Received: by 2002:a63:c44a:: with SMTP id m10-v6mr8705121pgg.416.1531980525873; Wed, 18 Jul 2018 23:08:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531980525; cv=none; d=google.com; s=arc-20160816; b=tqKQbhXbseV6qSy+B9VxlL92N/aRiD+SK7QSkHKj+snYhzCo997DtJWZU8sgvwT7Zv TSE1Nyigyo8JerciHi9HX99vFqu0+WnX4yTWIQess4eDOPBxRBx15TYwiQIFiU/fvi8x 1MLbpilB0H9hEAnNrBh2AriY1lGQGzoPQfrmIb9L1qxlAlFHJgOg1ZWvDu/Fkeb47ZUU HuSUUznFZUFjFQwcs9iOACXexxyspj/pr5Cb6OfHP/v9KetU8f1PYxCvdDAHVBWn1Pv7 zvaXTeeCoFBlqYdlnFI7OXXN0+Rn2MpbpCPx7wPQX0/YjI0dPw7vpEP6DUfl8fE/BBjd DULg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:date:message-id:subject:cc:from:to :in-reply-to:arc-authentication-results; bh=Wavpjf8jJU6bOeCobO/dcOBzKtvkaz//xvjEtEbQ0Lg=; b=kLhE5+8a/N0Q1yypfYXr+yLxqgVEyTHQkJt1PwzO8uQg6l9axXXru1KfCCbQYLFY4l uk5QgEg70c1O7UQ6xtKFyFkhw2i2qT5elGG6fo5dduHrCS6ItlFeahO8gshGEfCdRusw nCIhaGBSHYFkfv7gFyvXMzq+P9XQ15YM+p8m2ewOmyN0SIDy7XOaVxsPs/jt5KdSyCXe aE5jxAz+iY9WQiiylF5W0jmUHLBOlZGy/KKO8gMBXbnRr2rKP5GU+6Sptaplm2UddMCU gMDAGL7vcY1UXLI66vPxdCXmjYcNSgi7pSAiJvsF7bzzbBFOM+u54NQy5CicyOaLXGwV b00Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s14-v6si4767496pgc.617.2018.07.18.23.08.31; Wed, 18 Jul 2018 23:08:45 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731262AbeGSGtG (ORCPT + 99 others); Thu, 19 Jul 2018 02:49:06 -0400 Received: from ozlabs.org ([203.11.71.1]:58543 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730678AbeGSGtF (ORCPT ); Thu, 19 Jul 2018 02:49:05 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 41WNpf12CZz9s4r; Thu, 19 Jul 2018 16:07:37 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 1b80ac648483189e45f60d4ddbb54b78ca942849 In-Reply-To: <20180629185254.GA37557@beast> To: Kees Cook , Benjamin Herrenschmidt From: Michael Ellerman Cc: Rob Herring , Randy Dunlap , linux-kernel@vger.kernel.org, Paul Mackerras , Tyrel Datwyler , Andrew Morton , linuxppc-dev@lists.ozlabs.org, Ingo Molnar Subject: Re: powerpc/msi: Remove VLA usage Message-Id: <41WNpf12CZz9s4r@ozlabs.org> Date: Thu, 19 Jul 2018 16:07:37 +1000 (AEST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2018-06-29 at 18:52:54 UTC, Kees Cook wrote: > In the quest to remove all stack VLA usage from the kernel[1], this > switches from an unchanging variable to a constant expression to eliminate > the VLA generation. > > [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com > > Cc: Benjamin Herrenschmidt > Cc: Paul Mackerras > Cc: Michael Ellerman > Cc: Andrew Morton > Cc: Randy Dunlap > Cc: Tyrel Datwyler > Cc: Rob Herring > Cc: Ingo Molnar > Cc: linuxppc-dev@lists.ozlabs.org > Signed-off-by: Kees Cook Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/1b80ac648483189e45f60d4ddbb54b cheers