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Peter Anvin" , x86@kernel.org Cc: Kalle Valo , linux-wireless@vger.kernel.org, Christoph Hellwig , Masahiro Yamada , "David S. Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Lorenzo Bianconi , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Felix Fietkau , Matthias Brugger Subject: [PATCH 0/2] x86: turn off wrongly enabled CONFIG_GENERIC_HWEIGHT Date: Mon, 18 Feb 2019 14:59:29 +0900 Message-Id: <1550469571-25933-1-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org x86 should not enable CONFIG_GENERIC_HWEIGHT because lib/hweight.c is not used by x86. The only user is drivers/net/wireless/mediatek/mt76/mac80211.c Of course, this driver is wrong since drivers should use the generic API, hweight8(). After fixing it, x86 does not need to compile lib/hweight.c at all. The real implementation is located in arch/x86/lib/hweight.S Masahiro Yamada (2): wireless: mt76: call hweight8() instead of __sw_hweight8() x86: disable CONFIG_GENERIC_HWEIGHT and remove __HAVE_ARCH_SW_HWEIGHT arch/x86/Kconfig | 3 --- arch/x86/include/asm/arch_hweight.h | 2 -- drivers/net/wireless/mediatek/mt76/mac80211.c | 2 +- lib/hweight.c | 4 ---- 4 files changed, 1 insertion(+), 10 deletions(-) -- 2.7.4