From nobody Sat Feb 7 15:11:03 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F1E015EFBD; Mon, 25 Mar 2024 06:41:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711348868; cv=none; b=ZcnbHVy4DJblQuGWmTgSXH5hvjwCiAgX3/AgMAicyFypy7/GTZfuCEY1sbJHCPxVXas1dhpL/iLt54kjeXwAkbUyhcz7UwLBi6K8GPV/+Ko4U605fFjYoqyTC4gevbbBpNOc+sJKPXr9IEEXe+Fs6SGLIvjJ5vMzLD3uElCxrpw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711348868; c=relaxed/simple; bh=xuamuB97LVfxyJSvE4i73CrmF8XOSgafgM3yHCD1nqo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=WJwgwf42UfYVb9GtzM4Au7b4uD34u/MV4ezOQSM+DdwAfLzX1LFUfqDlQWE88Bv+g8KYEGmYoq8cLfaHoKFkCPURqB4vqt5RB5KvRDNwaTB5VbB8U9wLiBbmQyAVj6zGxtQZlX71ViJh9K0Ec9yE1VJJhteSVU6+1AaohpRO60w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=VBfAmxSw; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="VBfAmxSw" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711348866; x=1742884866; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=xuamuB97LVfxyJSvE4i73CrmF8XOSgafgM3yHCD1nqo=; b=VBfAmxSwBgdrrwCzbrTm2FzySbU9TNxzt/YH/zf8WHDRYCaan3Y0029B Trie5g67Xa3Ds590b5fkpTqaglCV9Muk4kwo09p0PhggO531VEU0W2yzf GyXWOZprCjad0P1zIsE9p6RZicuAgxe/yxr6+iSFDXuOUpyyZ3Wdl+1cL KcXpE6ZXMiP8qRw3rGnB7x+lqYtn56IYj+oIztCvPTN1ruUz3dU6mNHJS cFGsXjkh7SdzwLX137/ifFuD1ySbbIHMKk1tHYSP+f6yV2bIOeERlGN3n LiU1gekwYKIB8Y1cv8Ucq0G+gCxHNOixMsmzNLSH1OBa9QDcCfg6RgeoR g==; X-IronPort-AV: E=McAfee;i="6600,9927,11023"; a="17065143" X-IronPort-AV: E=Sophos;i="6.07,152,1708416000"; d="scan'208";a="17065143" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2024 23:41:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,152,1708416000"; d="scan'208";a="38629583" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO ahunter-VirtualBox.home\044ger.corp.intel.com) ([10.251.211.155]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2024 23:40:58 -0700 From: Adrian Hunter To: Thomas Gleixner Cc: Michael Ellerman , Nicholas Piggin , Christophe Leroy , "Aneesh Kumar K.V" , "Naveen N. Rao" , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Vincenzo Frascino , John Stultz , Stephen Boyd , Peter Zijlstra , Randy Dunlap , Bjorn Helgaas , Arnd Bergmann , Anna-Maria Behnsen , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: [PATCH V2 04/19] math64: Tidy mul_u64_u32_shr() Date: Mon, 25 Mar 2024 08:40:08 +0200 Message-Id: <20240325064023.2997-5-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240325064023.2997-1-adrian.hunter@intel.com> References: <20240325064023.2997-1-adrian.hunter@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Put together declaration and initialization of local variables. Suggested-by: Thomas Gleixner Signed-off-by: Adrian Hunter --- include/linux/math64.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/include/linux/math64.h b/include/linux/math64.h index bf74478926d4..fd13622b2056 100644 --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -179,16 +179,12 @@ static __always_inline u64 mul_u64_u64_shr(u64 a, u64= mul, unsigned int shift) #ifndef mul_u64_u32_shr static __always_inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int sh= ift) { - u32 ah, al; + u32 ah =3D a >> 32, al =3D a; u64 ret; =20 - al =3D a; - ah =3D a >> 32; - ret =3D mul_u32_u32(al, mul) >> shift; if (ah) ret +=3D mul_u32_u32(ah, mul) << (32 - shift); - return ret; } #endif /* mul_u64_u32_shr */ --=20 2.34.1