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 7D97CC433EF for ; Mon, 11 Apr 2022 00:32:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244192AbiDKAe5 (ORCPT ); Sun, 10 Apr 2022 20:34:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231429AbiDKAev (ORCPT ); Sun, 10 Apr 2022 20:34:51 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A586BDED4 for ; Sun, 10 Apr 2022 17:32:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649637158; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qMk2hrC13YV3a9T+ITG+ukTyu7UA8SMI5IqkNoDz3QE=; b=Hsuh87TzdHOCJ/AUNGZ4BSDdiJAvuzbzlLv2Z/IsjjMQM57MPwZzHd9/zEyh4+8qctcdwz Gy1piVIYzH2LAmzM7LkIdfcCFerolXWBDXKzZhcSIIMde+/9q9oD2fbMrQrMA1ZPb4fv6J HuwFMhRoFI1W+yBjNp9e9GI5WzphNko= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-519-38XEfLlKPBaJgcac3k7Uaw-1; Sun, 10 Apr 2022 20:32:33 -0400 X-MC-Unique: 38XEfLlKPBaJgcac3k7Uaw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 05DD1801585; Mon, 11 Apr 2022 00:32:33 +0000 (UTC) Received: from localhost (ovpn-12-19.pek2.redhat.com [10.72.12.19]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 09C671415126; Mon, 11 Apr 2022 00:32:29 +0000 (UTC) Date: Mon, 11 Apr 2022 08:32:26 +0800 From: Baoquan He To: Matthew Wilcox , philip.li@intel.com Cc: kernel test robot , akpm@linux-foundation.org, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, hch@lst.de, yangtiezhu@loongson.cn, amit.kachhap@arm.com, linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk Subject: Re: [PATCH v5 RESEND 1/3] vmcore: Convert copy_oldmem_page() to take an iov_iter Message-ID: References: <20220408090636.560886-2-bhe@redhat.com> <202204082128.JKXXDGpa-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Scanned-By: MIMEDefang 2.85 on 10.11.54.7 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/09/22 at 02:44am, Matthew Wilcox wrote: > On Sat, Apr 09, 2022 at 09:02:29AM +0800, Baoquan He wrote: > > I tried on x86_64 system, for the 1st step, I got this: > > > > [ ~]# wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > > /root/bin/make.cross: No such file or directory > > ... I don't think we need to reproduce it to see the problem. > > > > sparse warnings: (new ones prefixed by >>) > > > >> arch/sh/kernel/crash_dump.c:23:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *addr @@ got void [noderef] __iomem * @@ > > > arch/sh/kernel/crash_dump.c:23:36: sparse: expected void const *addr > > > arch/sh/kernel/crash_dump.c:23:36: sparse: got void [noderef] __iomem * > > > > > > vim +23 arch/sh/kernel/crash_dump.c > > > > > > 13 > > > 14 ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn, > > > 15 size_t csize, unsigned long offset) > > > 16 { > > > 17 void __iomem *vaddr; > > > 18 > > > 19 if (!csize) > > > 20 return 0; > > > 21 > > > 22 vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); > > > > 23 csize = copy_to_iter(vaddr + offset, csize, iter); > > Unlike other architectures, sh4 does this by calling ioremap(). > That gives us an __iomem qualified pointer, which it then warns about > passing to copy_to_iter(). > > There are a bunch of hacky things we could do to fix it, but for such an > unmaintained arch as sh, I'm inclined to do nothing. We're more likely > to break something while fixing the warning. Someone who knows the arch > can figure out what to do properly. Checked code, this can be fixed by casting away __iomem when feeding __iomem pointer into function which doesn't expect it. While seems the lkp failed me again. Subject: [PATCH] sh: cast away __iomem to remove sparse warning This warning happened when __iomem pointer is passed into fucntion which does expect it. casting away the __iomem can fix it. Signed-off-by: Baoquan He --- arch/sh/kernel/crash_dump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sh/kernel/crash_dump.c b/arch/sh/kernel/crash_dump.c index 19ce6a950aac..b45bb0b8a182 100644 --- a/arch/sh/kernel/crash_dump.c +++ b/arch/sh/kernel/crash_dump.c @@ -20,7 +20,7 @@ ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn, return 0; vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); - csize = copy_to_iter(vaddr + offset, csize, iter); + csize = copy_to_iter((void __force *)vaddr + offset, csize, iter); iounmap(vaddr); return csize; -- 2.34.1 Hi Philipp, I executed 'mkdir -p /root/bin', then can continue the next steps. However, the building failed with below message. I cloned linus's tree into the testing system. Then add remote https://github.com/intel-lab-lkp/linux. Forgive my stupidity on this. If I can test above code, I can merge it into patch in a new version. Otherwise, I will leave it alone as willy suggested. [root@dell-pem710-02 linux]# wget https://download.01.org/0day-ci/archive/20220408/202204082128.JKXXDGpa-lkp@intel.com/config --2022-04-10 19:54:15-- https://download.01.org/0day-ci/archive/20220408/202204082128.JKXXDGpa-lkp@intel.com/config Resolving download.01.org (download.01.org)... 2600:1408:20:c90::4b21, 2600:1408:20:c9b::4b21, 23.208.55.108 Connecting to download.01.org (download.01.org)|2600:1408:20:c90::4b21|:443... failed: Network is unreachable. Connecting to download.01.org (download.01.org)|2600:1408:20:c9b::4b21|:443... failed: Network is unreachable. Connecting to download.01.org (download.01.org)|23.208.55.108|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 122058 (119K) [application/octet-stream] Saving to: ‘config’ config 100%[============================================================>] 119.20K 769KB/s in 0.2s 2022-04-10 19:54:16 (769 KB/s) - ‘config’ saved [122058/122058] [root@dell-pem710-02 linux]# mv config .config [root@dell-pem710-02 linux]# COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sh SHELL=/bin/bash arch/sh/kernel/ Compiler will be installed in /root/0day make --keep-going CONFIG_OF_ALL_DTBS=y CONFIG_DTC=y CROSS_COMPILE=/root/0day/gcc-9.3.0-nolibc/sh4-linux/bin/sh4-linux- --jobs=32 C=1 CF=-fdiagnostic-prefix -D__CHECK_ENDIAN__ O=build_dir ARCH=sh SHELL=/bin/bash arch/sh/kernel/ make[1]: Entering directory '/root/linux/build_dir' SYNC include/config/auto.conf.cmd *** *** The source tree is not clean, please run 'make ARCH=sh mrproper' *** in /root/linux *** make[2]: *** [../Makefile:574: outputmakefile] Error 1 HOSTCC scripts/basic/fixdep make[2]: Target 'syncconfig' not remade because of errors. make[1]: *** [/root/linux/Makefile:722: include/config/auto.conf.cmd] Error 2 make[1]: Failed to remake makefile 'include/config/auto.conf.cmd'. make[1]: Failed to remake makefile 'include/config/auto.conf'. *** *** The source tree is not clean, please run 'make ARCH=sh mrproper' *** in /root/linux *** make[1]: *** [/root/linux/Makefile:574: outputmakefile] Error 1 SYSHDR arch/sh/include/generated/uapi/asm/unistd_32.h SYSTBL arch/sh/include/generated/asm/syscall_table.h Error: kernelrelease not valid - run 'make prepare' to update it HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/fstree.o HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o LEX scripts/dtc/dtc-lexer.lex.c YACC scripts/dtc/dtc-parser.tab.[ch] HOSTCC scripts/dtc/libfdt/fdt.o HOSTCC scripts/dtc/libfdt/fdt_ro.o HOSTCC scripts/dtc/libfdt/fdt_sw.o HOSTCC scripts/dtc/libfdt/fdt_wip.o HOSTCC scripts/dtc/libfdt/fdt_rw.o HOSTCC scripts/dtc/libfdt/fdt_strerror.o HOSTCC scripts/dtc/libfdt/fdt_empty_tree.o HOSTCC scripts/dtc/libfdt/fdt_addresses.o HOSTCC scripts/dtc/libfdt/fdt_overlay.o HOSTCC scripts/dtc/fdtoverlay.o HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.o HOSTLD scripts/dtc/fdtoverlay HOSTLD scripts/dtc/dtc make[1]: Target 'arch/sh/kernel/' not remade because of errors. make[1]: Leaving directory '/root/linux/build_dir' make: *** [Makefile:219: __sub-make] Error 2 make: Target 'arch/sh/kernel/' not remade because of errors. [root@dell-pem710-02 linux]# > From mboxrd@z Thu Jan 1 00:00:00 1970 From: Baoquan He Date: Mon, 11 Apr 2022 08:32:26 +0800 Subject: [PATCH v5 RESEND 1/3] vmcore: Convert copy_oldmem_page() to take an iov_iter In-Reply-To: References: <20220408090636.560886-2-bhe@redhat.com> <202204082128.JKXXDGpa-lkp@intel.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kexec@lists.infradead.org On 04/09/22 at 02:44am, Matthew Wilcox wrote: > On Sat, Apr 09, 2022 at 09:02:29AM +0800, Baoquan He wrote: > > I tried on x86_64 system, for the 1st step, I got this: > > > > [ ~]# wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > > /root/bin/make.cross: No such file or directory > > ... I don't think we need to reproduce it to see the problem. > > > > sparse warnings: (new ones prefixed by >>) > > > >> arch/sh/kernel/crash_dump.c:23:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *addr @@ got void [noderef] __iomem * @@ > > > arch/sh/kernel/crash_dump.c:23:36: sparse: expected void const *addr > > > arch/sh/kernel/crash_dump.c:23:36: sparse: got void [noderef] __iomem * > > > > > > vim +23 arch/sh/kernel/crash_dump.c > > > > > > 13 > > > 14 ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn, > > > 15 size_t csize, unsigned long offset) > > > 16 { > > > 17 void __iomem *vaddr; > > > 18 > > > 19 if (!csize) > > > 20 return 0; > > > 21 > > > 22 vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); > > > > 23 csize = copy_to_iter(vaddr + offset, csize, iter); > > Unlike other architectures, sh4 does this by calling ioremap(). > That gives us an __iomem qualified pointer, which it then warns about > passing to copy_to_iter(). > > There are a bunch of hacky things we could do to fix it, but for such an > unmaintained arch as sh, I'm inclined to do nothing. We're more likely > to break something while fixing the warning. Someone who knows the arch > can figure out what to do properly. Checked code, this can be fixed by casting away __iomem when feeding __iomem pointer into function which doesn't expect it. While seems the lkp failed me again. Subject: [PATCH] sh: cast away __iomem to remove sparse warning This warning happened when __iomem pointer is passed into fucntion which does expect it. casting away the __iomem can fix it. Signed-off-by: Baoquan He --- arch/sh/kernel/crash_dump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sh/kernel/crash_dump.c b/arch/sh/kernel/crash_dump.c index 19ce6a950aac..b45bb0b8a182 100644 --- a/arch/sh/kernel/crash_dump.c +++ b/arch/sh/kernel/crash_dump.c @@ -20,7 +20,7 @@ ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn, return 0; vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); - csize = copy_to_iter(vaddr + offset, csize, iter); + csize = copy_to_iter((void __force *)vaddr + offset, csize, iter); iounmap(vaddr); return csize; -- 2.34.1 Hi Philipp, I executed 'mkdir -p /root/bin', then can continue the next steps. However, the building failed with below message. I cloned linus's tree into the testing system. Then add remote https://github.com/intel-lab-lkp/linux. Forgive my stupidity on this. If I can test above code, I can merge it into patch in a new version. Otherwise, I will leave it alone as willy suggested. [root at dell-pem710-02 linux]# wget https://download.01.org/0day-ci/archive/20220408/202204082128.JKXXDGpa-lkp at intel.com/config --2022-04-10 19:54:15-- https://download.01.org/0day-ci/archive/20220408/202204082128.JKXXDGpa-lkp@intel.com/config Resolving download.01.org (download.01.org)... 2600:1408:20:c90::4b21, 2600:1408:20:c9b::4b21, 23.208.55.108 Connecting to download.01.org (download.01.org)|2600:1408:20:c90::4b21|:443... failed: Network is unreachable. Connecting to download.01.org (download.01.org)|2600:1408:20:c9b::4b21|:443... failed: Network is unreachable. Connecting to download.01.org (download.01.org)|23.208.55.108|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 122058 (119K) [application/octet-stream] Saving to: ?config? config 100%[============================================================>] 119.20K 769KB/s in 0.2s 2022-04-10 19:54:16 (769 KB/s) - ?config? saved [122058/122058] [root at dell-pem710-02 linux]# mv config .config [root at dell-pem710-02 linux]# COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sh SHELL=/bin/bash arch/sh/kernel/ Compiler will be installed in /root/0day make --keep-going CONFIG_OF_ALL_DTBS=y CONFIG_DTC=y CROSS_COMPILE=/root/0day/gcc-9.3.0-nolibc/sh4-linux/bin/sh4-linux- --jobs=32 C=1 CF=-fdiagnostic-prefix -D__CHECK_ENDIAN__ O=build_dir ARCH=sh SHELL=/bin/bash arch/sh/kernel/ make[1]: Entering directory '/root/linux/build_dir' SYNC include/config/auto.conf.cmd *** *** The source tree is not clean, please run 'make ARCH=sh mrproper' *** in /root/linux *** make[2]: *** [../Makefile:574: outputmakefile] Error 1 HOSTCC scripts/basic/fixdep make[2]: Target 'syncconfig' not remade because of errors. make[1]: *** [/root/linux/Makefile:722: include/config/auto.conf.cmd] Error 2 make[1]: Failed to remake makefile 'include/config/auto.conf.cmd'. make[1]: Failed to remake makefile 'include/config/auto.conf'. *** *** The source tree is not clean, please run 'make ARCH=sh mrproper' *** in /root/linux *** make[1]: *** [/root/linux/Makefile:574: outputmakefile] Error 1 SYSHDR arch/sh/include/generated/uapi/asm/unistd_32.h SYSTBL arch/sh/include/generated/asm/syscall_table.h Error: kernelrelease not valid - run 'make prepare' to update it HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/fstree.o HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o LEX scripts/dtc/dtc-lexer.lex.c YACC scripts/dtc/dtc-parser.tab.[ch] HOSTCC scripts/dtc/libfdt/fdt.o HOSTCC scripts/dtc/libfdt/fdt_ro.o HOSTCC scripts/dtc/libfdt/fdt_sw.o HOSTCC scripts/dtc/libfdt/fdt_wip.o HOSTCC scripts/dtc/libfdt/fdt_rw.o HOSTCC scripts/dtc/libfdt/fdt_strerror.o HOSTCC scripts/dtc/libfdt/fdt_empty_tree.o HOSTCC scripts/dtc/libfdt/fdt_addresses.o HOSTCC scripts/dtc/libfdt/fdt_overlay.o HOSTCC scripts/dtc/fdtoverlay.o HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.o HOSTLD scripts/dtc/fdtoverlay HOSTLD scripts/dtc/dtc make[1]: Target 'arch/sh/kernel/' not remade because of errors. make[1]: Leaving directory '/root/linux/build_dir' make: *** [Makefile:219: __sub-make] Error 2 make: Target 'arch/sh/kernel/' not remade because of errors. [root at dell-pem710-02 linux]# > From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============7279303597566871784==" MIME-Version: 1.0 From: Baoquan He To: kbuild-all@lists.01.org Subject: Re: [PATCH v5 RESEND 1/3] vmcore: Convert copy_oldmem_page() to take an iov_iter Date: Mon, 11 Apr 2022 08:32:26 +0800 Message-ID: In-Reply-To: List-Id: --===============7279303597566871784== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 04/09/22 at 02:44am, Matthew Wilcox wrote: > On Sat, Apr 09, 2022 at 09:02:29AM +0800, Baoquan He wrote: > > I tried on x86_64 system, for the 1st step, I got this: > > = > > [ ~]# wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbi= n/make.cross -O ~/bin/make.cross > > /root/bin/make.cross: No such file or directory > = > ... I don't think we need to reproduce it to see the problem. > = > > > sparse warnings: (new ones prefixed by >>) > > > >> arch/sh/kernel/crash_dump.c:23:36: sparse: sparse: incorrect type = in argument 1 (different address spaces) @@ expected void const *addr @= @ got void [noderef] __iomem * @@ > > > arch/sh/kernel/crash_dump.c:23:36: sparse: expected void const= *addr > > > arch/sh/kernel/crash_dump.c:23:36: sparse: got void [noderef] = __iomem * > > > = > > > vim +23 arch/sh/kernel/crash_dump.c > > > = > > > 13 = > > > 14 ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long = pfn, > > > 15 size_t csize, unsigned long offset) > > > 16 { > > > 17 void __iomem *vaddr; > > > 18 = > > > 19 if (!csize) > > > 20 return 0; > > > 21 = > > > 22 vaddr =3D ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); > > > > 23 csize =3D copy_to_iter(vaddr + offset, csize, iter); > = > Unlike other architectures, sh4 does this by calling ioremap(). > That gives us an __iomem qualified pointer, which it then warns about > passing to copy_to_iter(). > = > There are a bunch of hacky things we could do to fix it, but for such an > unmaintained arch as sh, I'm inclined to do nothing. We're more likely > to break something while fixing the warning. Someone who knows the arch > can figure out what to do properly. Checked code, this can be fixed by casting away __iomem when feeding __iomem pointer into function which doesn't expect it. While seems the lkp failed me again. Subject: [PATCH] sh: cast away __iomem to remove sparse warning This warning happened when __iomem pointer is passed into fucntion which does expect it. casting away the __iomem can fix it. Signed-off-by: Baoquan He --- arch/sh/kernel/crash_dump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sh/kernel/crash_dump.c b/arch/sh/kernel/crash_dump.c index 19ce6a950aac..b45bb0b8a182 100644 --- a/arch/sh/kernel/crash_dump.c +++ b/arch/sh/kernel/crash_dump.c @@ -20,7 +20,7 @@ ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned = long pfn, return 0; = vaddr =3D ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); - csize =3D copy_to_iter(vaddr + offset, csize, iter); + csize =3D copy_to_iter((void __force *)vaddr + offset, csize, iter); iounmap(vaddr); = return csize; -- = 2.34.1 Hi Philipp, I executed 'mkdir -p /root/bin', then can continue the next steps. However, the building failed with below message. I cloned linus's tree into the testing system. Then add remote https://github.com/intel-lab-lkp/linux. Forgive my stupidity on this. If I can test above code, I can merge it into patch in a new version. Otherwise, I will leave it alone as willy suggested. [root(a)dell-pem710-02 linux]# wget https://download.01.org/0day-ci/archive= /20220408/202204082128.JKXXDGpa-lkp(a)intel.com/config --2022-04-10 19:54:15-- https://download.01.org/0day-ci/archive/20220408/2= 02204082128.JKXXDGpa-lkp@intel.com/config Resolving download.01.org (download.01.org)... 2600:1408:20:c90::4b21, 2600= :1408:20:c9b::4b21, 23.208.55.108 Connecting to download.01.org (download.01.org)|2600:1408:20:c90::4b21|:443= ... failed: Network is unreachable. Connecting to download.01.org (download.01.org)|2600:1408:20:c9b::4b21|:443= ... failed: Network is unreachable. Connecting to download.01.org (download.01.org)|23.208.55.108|:443... conne= cted. HTTP request sent, awaiting response... 200 OK Length: 122058 (119K) [application/octet-stream] Saving to: =E2=80=98config=E2=80=99 config 100%[=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D>] 119= .20K 769KB/s in 0.2s = 2022-04-10 19:54:16 (769 KB/s) - =E2=80=98config=E2=80=99 saved [122058/122= 058] [root(a)dell-pem710-02 linux]# mv config .config [root(a)dell-pem710-02 linux]# COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER= =3Dgcc make.cross C=3D1 CF=3D'-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=3Db= uild_dir ARCH=3Dsh SHELL=3D/bin/bash arch/sh/kernel/ Compiler will be installed in /root/0day make --keep-going CONFIG_OF_ALL_DTBS=3Dy CONFIG_DTC=3Dy CROSS_COMPILE=3D/ro= ot/0day/gcc-9.3.0-nolibc/sh4-linux/bin/sh4-linux- --jobs=3D32 C=3D1 CF=3D-f= diagnostic-prefix -D__CHECK_ENDIAN__ O=3Dbuild_dir ARCH=3Dsh SHELL=3D/bin/b= ash arch/sh/kernel/ make[1]: Entering directory '/root/linux/build_dir' SYNC include/config/auto.conf.cmd *** *** The source tree is not clean, please run 'make ARCH=3Dsh mrproper' *** in /root/linux *** make[2]: *** [../Makefile:574: outputmakefile] Error 1 HOSTCC scripts/basic/fixdep make[2]: Target 'syncconfig' not remade because of errors. make[1]: *** [/root/linux/Makefile:722: include/config/auto.conf.cmd] Error= 2 make[1]: Failed to remake makefile 'include/config/auto.conf.cmd'. make[1]: Failed to remake makefile 'include/config/auto.conf'. *** *** The source tree is not clean, please run 'make ARCH=3Dsh mrproper' *** in /root/linux *** make[1]: *** [/root/linux/Makefile:574: outputmakefile] Error 1 SYSHDR arch/sh/include/generated/uapi/asm/unistd_32.h SYSTBL arch/sh/include/generated/asm/syscall_table.h Error: kernelrelease not valid - run 'make prepare' to update it HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/fstree.o HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o LEX scripts/dtc/dtc-lexer.lex.c YACC scripts/dtc/dtc-parser.tab.[ch] HOSTCC scripts/dtc/libfdt/fdt.o HOSTCC scripts/dtc/libfdt/fdt_ro.o HOSTCC scripts/dtc/libfdt/fdt_sw.o HOSTCC scripts/dtc/libfdt/fdt_wip.o HOSTCC scripts/dtc/libfdt/fdt_rw.o HOSTCC scripts/dtc/libfdt/fdt_strerror.o HOSTCC scripts/dtc/libfdt/fdt_empty_tree.o HOSTCC scripts/dtc/libfdt/fdt_addresses.o HOSTCC scripts/dtc/libfdt/fdt_overlay.o HOSTCC scripts/dtc/fdtoverlay.o HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.o HOSTLD scripts/dtc/fdtoverlay HOSTLD scripts/dtc/dtc make[1]: Target 'arch/sh/kernel/' not remade because of errors. make[1]: Leaving directory '/root/linux/build_dir' make: *** [Makefile:219: __sub-make] Error 2 make: Target 'arch/sh/kernel/' not remade because of errors. [root(a)dell-pem710-02 linux]# = >=20 --===============7279303597566871784==--