From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 473D4C77B7F for ; Fri, 12 May 2023 15:50:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242059AbjELPui (ORCPT ); Fri, 12 May 2023 11:50:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34126 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242034AbjELPua (ORCPT ); Fri, 12 May 2023 11:50:30 -0400 Received: from pegase2.c-s.fr (pegase2.c-s.fr [93.17.235.10]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C24187DBA for ; Fri, 12 May 2023 08:50:28 -0700 (PDT) Received: from localhost (mailhub3.si.c-s.fr [172.26.127.67]) by localhost (Postfix) with ESMTP id 4QHt5r4h20z9shD; Fri, 12 May 2023 17:31:28 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase2.c-s.fr ([172.26.127.65]) by localhost (pegase2.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rIDy-JiO_jv1; Fri, 12 May 2023 17:31:28 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase2.c-s.fr (Postfix) with ESMTP id 4QHt5r3s9wz9sh9; Fri, 12 May 2023 17:31:28 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 732B18B78C; Fri, 12 May 2023 17:31:28 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id H1LpH-jMWSRN; Fri, 12 May 2023 17:31:28 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (unknown [172.25.230.108]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 5678D8B763; Fri, 12 May 2023 17:31:28 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (localhost [127.0.0.1]) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.16.1) with ESMTPS id 34CFVRlp027559 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Fri, 12 May 2023 17:31:27 +0200 Received: (from chleroy@localhost) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.17.1/Submit) id 34CFVQ9N027555; Fri, 12 May 2023 17:31:26 +0200 X-Authentication-Warning: PO20335.IDSI0.si.c-s.fr: chleroy set sender to christophe.leroy@csgroup.eu using -f From: Christophe Leroy To: Marco Elver , Dmitry Vyukov , "Paul E. McKenney" , Michael Ellerman , Nicholas Piggin , Chris Zankel , Max Filippov Cc: Christophe Leroy , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kasan-dev@googlegroups.com, Rohan McLure Subject: [PATCH 0/3] Extend KCSAN to all powerpc Date: Fri, 12 May 2023 17:31:16 +0200 Message-Id: X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1683905477; l=837; i=christophe.leroy@csgroup.eu; s=20211009; h=from:subject:message-id; bh=hPBnA5KflZMsLfBVOf1qnFl729hUS0enPhkbxf5HtTs=; b=+rCPMq09lu0PQQBWq0K3cX4hp8o3P5mr2OmgxPEWSSY2TZtz6UHhi0/tZZqKNtNMu8nfSrXT9 2/46XXMIUz7C1yYchavqsPeWJAztLAyhgUonNSsXnrmrAL0V9j9ZI1a X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series enables KCSAN on all powerpc. To do this, a fix is required to KCSAN core. Once that fix is done, the stubs can also be removed from xtensa. It would be nice if patch 1 could go in v6.4 as a fix, then patches 2 and 3 could be handled separately in each architecture in next cycle. Christophe Leroy (2): kcsan: Don't expect 64 bits atomic builtins from 32 bits architectures xtensa: Remove 64 bits atomic builtins stubs Rohan McLure (1): powerpc/{32,book3e}: kcsan: Extend KCSAN Support arch/powerpc/Kconfig | 2 +- arch/xtensa/lib/Makefile | 2 -- arch/xtensa/lib/kcsan-stubs.c | 54 ----------------------------------- kernel/kcsan/core.c | 2 ++ 4 files changed, 3 insertions(+), 57 deletions(-) delete mode 100644 arch/xtensa/lib/kcsan-stubs.c -- 2.40.1