Received: by 2002:a25:868d:0:0:0:0:0 with SMTP id z13csp456069ybk; Wed, 20 May 2020 04:03:40 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxBSHw8cZrZkc3SMeLGwvIwEPkVik96yS8k6MB4+vCf0bMYGB8oJuzakvn0+NOz3PczGzP0 X-Received: by 2002:a17:906:84cf:: with SMTP id f15mr3135992ejy.185.1589972620035; Wed, 20 May 2020 04:03:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1589972620; cv=none; d=google.com; s=arc-20160816; b=YCh/AVjieZ011hMQLJ0A5EezTiqVQHzMZmovppELaokIXggji9tTlvr4Wc7W36Toca UCOl4bw7AAdOYvpHkt26BnBumsUM8E1SkByHvnFB3CKuRxjWI5e5898u8xbva0GTm08e cIfWnBm8XGA9JQ9R8gbObwQANL5oCrHOhFF0pC/Q1ixonTgBQwPp5e5e03toUFO0Cp97 5i7+LaZKkjPMNZOCr98NlvElEv5rRPBB9dFC45QZj0eUjagTzMl/ulCu86vKcQ/bxBhJ x+EJQQj6CbL7cxCIBZvV9L6hZTjK4KQAgG0HTx0BDAzbALa9ZlqB7XYjBQdDPC3zF/Cr SNFA== 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:references :in-reply-to:cc:to:from; bh=lrOr3AcPzXywtOznI5d55L6i3Vjl4C9aaQPj0JlDG7o=; b=EcYWTWBXwDr7oLY6tPaV0gbC3yTyz4hJLVPwnp6P9td5JfYLpiLkZtgfXDGTiOqhw7 W/ken39O8HJc1+Vp+f+AncQ+skI+J1/Nnlo5UyuEdJENzVbXtidz3NmMy5LTzoRcUYm4 +uFVqdvhhjrigANCsV1bHhyWGIs+m34gHTTMBGeWV9y7jRsBENtbWId/umIBZsdehuHj eMjl3Mtn+gHR7pyX8Q6R+dePB7Tx4HShJMNeS0PE9L6X+8z8JF8dQ0G/UD39pTn7B9MS lUhXtZbLF1dCxIkqrHmrBTVxeXTm5UbFaRponN1vV+LxGq4sZydAKKiISvz/FdSrreap 0T0A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o5si1505889edz.312.2020.05.20.04.03.17; Wed, 20 May 2020 04:03:40 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726748AbgETK7z (ORCPT + 99 others); Wed, 20 May 2020 06:59:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726403AbgETK7z (ORCPT ); Wed, 20 May 2020 06:59:55 -0400 Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E5C77C061A0E for ; Wed, 20 May 2020 03:59:54 -0700 (PDT) Received: by ozlabs.org (Postfix, from userid 1034) id 49RqX93lSgz9sT6; Wed, 20 May 2020 20:59:53 +1000 (AEST) From: Michael Ellerman To: Christophe Leroy , erhard_f@mailbox.org, Paul Mackerras , Benjamin Herrenschmidt , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org In-Reply-To: <2c50f3b1c9bbaa4217c9a98f3044bd2a36c46a4f.1586361277.git.christophe.leroy@c-s.fr> References: <2c50f3b1c9bbaa4217c9a98f3044bd2a36c46a4f.1586361277.git.christophe.leroy@c-s.fr> Subject: Re: [PATCH] powerpc/kasan: Fix stack overflow by increasing THREAD_SHIFT Message-Id: <158997212859.943180.2820921951061590486.b4-ty@ellerman.id.au> Date: Wed, 20 May 2020 20:59:53 +1000 (AEST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 8 Apr 2020 15:58:49 +0000 (UTC), Christophe Leroy wrote: > When CONFIG_KASAN is selected, the stack usage is increased. > > In the same way as x86 and arm64 architectures, increase > THREAD_SHIFT when CONFIG_KASAN is selected. Applied to powerpc/next. [1/1] powerpc/kasan: Fix stack overflow by increasing THREAD_SHIFT https://git.kernel.org/powerpc/c/edbadaf0671072298e506074128b64e003c5812c cheers