From nobody Sat Apr 18 10:52:30 2026 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 65996C433EF for ; Thu, 14 Jul 2022 07:53:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237817AbiGNHx2 (ORCPT ); Thu, 14 Jul 2022 03:53:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237637AbiGNHwu (ORCPT ); Thu, 14 Jul 2022 03:52:50 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C360D2663 for ; Thu, 14 Jul 2022 00:52:48 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id y14-20020a17090a644e00b001ef775f7118so7744980pjm.2 for ; Thu, 14 Jul 2022 00:52:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=tcNGA3XzcRpkB54UbiRwCq/ocLcwLdrUgSteNlNaCe8=; b=lEcA0UWrC6raUJrZWmqB71/bzsVSJJ55UkgurxyF9UqHs/KGuEtZg+3oaT7Fw5hutV Csyc10J5PMgS2pDn4jBxhbBKc9X53dTJm4ZSMnH1pe7Mz1gfpM6kxHvBiLiEvSqL73CV QHqcXKl1QBl3bWUqFNjKgvoQZCL+CrqyBZgHEVpk1j4u6ktz43bKs1r/iH7GC9gpERha LHrKgn5C6y7yJ+ILkjgVnrc0fNlpLvAV/BIn2CqFhQ0xXHkMykBkP6DLR3KxDf2E8sIb hvURkKRvZ8sBf/Fwv99sTg318oTsa1VV1bhvhuTotHxEa7gHD2zg4rTn74aTRUlH+WVq DDUQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=tcNGA3XzcRpkB54UbiRwCq/ocLcwLdrUgSteNlNaCe8=; b=6v39D68qJ9lpJd7/57PHHxHpD6F6iRHSO/8nYODEvpwVSAOPkbJn5INzzHxKChZ2Ak ktzY3YSPk4h7bMw5VSXztcPK3shfd3Nfqbxc0bY88MLo/x3m8yhDaxdXM9MVRZ4DchW8 AOgx86MphnVWByBPCCEW4mio585psPjVPXUx6gE2FV6UANkAeMhVVOVF+5hxOp1CuLeT 5qumJlpvm881/1ZbH896apfhWtO1eiXJJD9VFGjHTvPRI95lZE3qcaqjxENyagk4fQQy q1TGqokKbmEmUVTEpWuw08KNl5qZAiJ+SK5I0ElwB7b7Q7782xsY5L5T+RiAv+pWl5dH 7Spg== X-Gm-Message-State: AJIora/bjX7EOlSbHI6WSw2cnePtJOLAwGdVHy5IYDU5dw4rZ2fvZSup WX0QVJIroux4aiVWd/UpZHfkxFIYHScLPQ== X-Google-Smtp-Source: AGRyM1tJXeOsuMb0ttruI104XChvIpW5XYaKsbIPeZa4Cp0YSiMT7XmAN+lLwi1Yli1IZgFcX3Hmfw== X-Received: by 2002:a17:902:d581:b0:16c:66bf:baef with SMTP id k1-20020a170902d58100b0016c66bfbaefmr7175474plh.29.1657785168288; Thu, 14 Jul 2022 00:52:48 -0700 (PDT) Received: from octofox.hsd1.ca.comcast.net ([2601:641:401:1d20:d0f1:2297:37d1:f468]) by smtp.gmail.com with ESMTPSA id z128-20020a626586000000b0051c6613b5basm904488pfb.134.2022.07.14.00.52.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Jul 2022 00:52:47 -0700 (PDT) From: Max Filippov To: linux-xtensa@linux-xtensa.org Cc: Chris Zankel , linux-kernel@vger.kernel.org, Max Filippov Subject: [PATCH] xtensa: enable KCOV support Date: Thu, 14 Jul 2022 00:52:54 -0700 Message-Id: <20220714075254.154725-1-jcmvbkbc@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Select ARCH_HAS_KCOV and set KCOV_INSTRUMENT =3D n inside arch/xtensa/boot/lib. Signed-off-by: Max Filippov --- Documentation/features/debug/kcov/arch-support.txt | 2 +- arch/xtensa/Kconfig | 1 + arch/xtensa/boot/lib/Makefile | 1 + 3 files changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/features/debug/kcov/arch-support.txt b/Documenta= tion/features/debug/kcov/arch-support.txt index afb90bebded2..0a91f5ce34a9 100644 --- a/Documentation/features/debug/kcov/arch-support.txt +++ b/Documentation/features/debug/kcov/arch-support.txt @@ -27,5 +27,5 @@ | sparc: | TODO | | um: | ok | | x86: | ok | - | xtensa: | TODO | + | xtensa: | ok | ----------------------- diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 0b0f0172cced..c4ef8e9c7249 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -6,6 +6,7 @@ config XTENSA select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_HAS_DEBUG_VM_PGTABLE select ARCH_HAS_DMA_PREP_COHERENT if MMU + select ARCH_HAS_KCOV select ARCH_HAS_SYNC_DMA_FOR_CPU if MMU select ARCH_HAS_SYNC_DMA_FOR_DEVICE if MMU select ARCH_HAS_DMA_SET_UNCACHED if MMU diff --git a/arch/xtensa/boot/lib/Makefile b/arch/xtensa/boot/lib/Makefile index 162d10af36f3..6f9a56a8ca85 100644 --- a/arch/xtensa/boot/lib/Makefile +++ b/arch/xtensa/boot/lib/Makefile @@ -17,6 +17,7 @@ endif =20 KASAN_SANITIZE :=3D n KCSAN_SANITIZE :=3D n +KCOV_INSTRUMENT :=3D n =20 CFLAGS_REMOVE_inflate.o +=3D -fstack-protector -fstack-protector-strong CFLAGS_REMOVE_zmem.o +=3D -fstack-protector -fstack-protector-strong --=20 2.30.2