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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 93E89C433EF for ; Wed, 16 Feb 2022 18:35:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=x3AQV/mUmVUfjxULoan5IUvh0X4ZE7ARd4LUHGxje9s=; b=sASGfmea3iXGI/ Zbb8dJKeVkKdC/Lfr/+iG9TY4YUumUgr6lfVCHIxqRp+InRhOj3hVfJYYQMaPirtGm8ISPI/AFTts hjdZyh6EzTiqrEFdtn5LB21a/b9GACR7pDnBsLQfWCPFAQR/9YTXA2hKDxbuZfWngT0VurGkwdlqT 5PYQyRBRKG0+hsazKckpAIgTj7lKhRGbBRwTeDvuSJs/Mk/J32kM9aEzFOLen+wkrTFg91Kk+my/2 a2HvHpSzs+g/d0hhNWcIrAFrd3SmV4gT6gu3XdiRpwNurZ+RcrNk74wJIxE5SxVlJkO+4EtFCta3g k3bchAEv7Nzw2kowsByg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKP96-0087M9-RC; Wed, 16 Feb 2022 18:35:20 +0000 Received: from mx2.smtp.larsendata.com ([91.221.196.228]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKP93-0087Ij-Ft for linux-riscv@lists.infradead.org; Wed, 16 Feb 2022 18:35:18 +0000 Received: from mail01.mxhotel.dk (mail01.mxhotel.dk [91.221.196.236]) by mx2.smtp.larsendata.com (Halon) with ESMTPS id 36dbd7e5-8f57-11ec-b2df-0050568cd888; Wed, 16 Feb 2022 18:35:28 +0000 (UTC) Received: from ravnborg.org (80-162-45-141-cable.dk.customer.tdc.net [80.162.45.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: sam@ravnborg.org) by mail01.mxhotel.dk (Postfix) with ESMTPSA id 10F5F194B3E; Wed, 16 Feb 2022 19:35:03 +0100 (CET) Date: Wed, 16 Feb 2022 19:34:59 +0100 X-Report-Abuse-To: abuse@mxhotel.dk From: Sam Ravnborg To: Arnd Bergmann Cc: Linus Torvalds , Christoph Hellwig , linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org, arnd@arndb.de, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk, linux@armlinux.org.uk, will@kernel.org, guoren@kernel.org, bcain@codeaurora.org, geert@linux-m68k.org, monstr@monstr.eu, tsbogend@alpha.franken.de, nickhu@andestech.com, green.hu@gmail.com, dinguyen@kernel.org, shorne@gmail.com, deller@gmx.de, mpe@ellerman.id.au, peterz@infradead.org, mingo@redhat.com, mark.rutland@arm.com, hca@linux.ibm.com, dalias@libc.org, davem@davemloft.net, richard@nod.at, x86@kernel.org, jcmvbkbc@gmail.com, ebiederm@xmission.com, akpm@linux-foundation.org, ardb@kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org Subject: Re: [PATCH v2 15/18] sparc64: remove CONFIG_SET_FS support Message-ID: References: <20220216131332.1489939-1-arnd@kernel.org> <20220216131332.1489939-16-arnd@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220216131332.1489939-16-arnd@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220216_103517_707435_67DFEDAB X-CRM114-Status: GOOD ( 17.43 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hi Arnd. On Wed, Feb 16, 2022 at 02:13:29PM +0100, Arnd Bergmann wrote: > From: Arnd Bergmann > > sparc64 uses address space identifiers to differentiate between kernel > and user space, using ASI_P for kernel threads but ASI_AIUS for normal > user space, with the option of changing between them. > > As nothing really changes the ASI any more, just hardcode ASI_AIUS > everywhere. Kernel threads are not allowed to access __user pointers > anyway. > > Signed-off-by: Arnd Bergmann > --- > arch/sparc/include/asm/processor_64.h | 4 ---- > arch/sparc/include/asm/switch_to_64.h | 4 +--- > arch/sparc/include/asm/thread_info_64.h | 4 +--- > arch/sparc/include/asm/uaccess_64.h | 20 +------------------- > arch/sparc/kernel/process_64.c | 12 ------------ > arch/sparc/kernel/traps_64.c | 2 -- > arch/sparc/lib/NGmemcpy.S | 3 +-- > arch/sparc/mm/init_64.c | 7 ++++--- > 8 files changed, 8 insertions(+), 48 deletions(-) I think you somehow missed the Kconfig change, and also the related sparc32 change which continue to have set_fs() after this patch. I did not manage to review the patch - as I am too unfamiliar with the code paths and the set_fs() removal changes. Sam _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv