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Miller" , Andreas Larsson , Richard Weinberger , Anton Ivanov , Johannes Berg , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Herbert Xu , Dan Williams , Chris Mason , David Sterba , Arnd Bergmann , Song Liu , Yu Kuai , Li Nan , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-crypto@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-arch@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: [PATCH 20/25] xor: make xor.ko self-contained in lib/raid/ Message-ID: <20260228064249.GG65277@quark> References: <20260226151106.144735-1-hch@lst.de> <20260226151106.144735-21-hch@lst.de> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260226151106.144735-21-hch@lst.de> On Thu, Feb 26, 2026 at 07:10:32AM -0800, Christoph Hellwig wrote: > diff --git a/arch/um/include/asm/xor.h b/lib/raid/xor/um/xor_arch.h > similarity index 61% > rename from arch/um/include/asm/xor.h > rename to lib/raid/xor/um/xor_arch.h > index c9ddedc19301..c75cd9caf792 100644 > --- a/arch/um/include/asm/xor.h > +++ b/lib/raid/xor/um/xor_arch.h > @@ -1,7 +1,4 @@ > /* SPDX-License-Identifier: GPL-2.0 */ > -#ifndef _ASM_UM_XOR_H > -#define _ASM_UM_XOR_H > - > #ifdef CONFIG_64BIT > #undef CONFIG_X86_32 > #else > #define CONFIG_X86_32 1 > #endif Due to this change, the above code that sets CONFIG_X86_32 to the opposite of CONFIG_64BIT is no longer included in xor-sse.c, which uses CONFIG_X86_32. So if the above code actually did anything, this change would have broken it for xor-sse.c. However, based on arch/x86/um/Kconfig, CONFIG_X86_32 is always the opposite of CONFIG_64BIT, so the above code actually has no effect. Does that sound right? - Eric