From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgbr1.qq.com (smtpbgbr1.qq.com [54.207.19.206]) (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 568CC1482E1; Wed, 3 Apr 2024 12:53:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.207.19.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712148789; cv=none; b=QcQPBQ9YjIY/FZcbFigAnQlfWXYaze9FEKwxNw6uWaR6x7Ghixyp8yxnfH3LO7UeXUF5pj1nPsbBv9S57y/jJ3mq024+w9pZFjBRPlErqqAVYOJ+JIDABBtA2ZoieMr4/cVXeQ+gHD4QJhu4C8HT3UaKSPcJXp2W5ix9U87g4oI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712148789; c=relaxed/simple; bh=oEllcByHTb5ruy6A9Usqz1VtCeCPw7v0KZkyVRzJ3FY=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=PR+PNDeaLC3aAZfhqCnT3fM3tvTsVZRyC5PM4t60lr86s7pRsVzHRhtL9nTUYxLSBXCmfGsD3pZDQPANWsPH5uyweRSBVpqEtn4gQyYS9W3jECprx28cke0NGKlf256c1AwmjvCmkW4hvqqe22vfsWYUznDoZlYRVvtTnr2SFwc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=shingroup.cn; spf=pass smtp.mailfrom=shingroup.cn; arc=none smtp.client-ip=54.207.19.206 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=shingroup.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=shingroup.cn X-QQ-mid: bizesmtpsz11t1712148686tdr3l7 X-QQ-Originating-IP: SM5s8FAZLkIg0k+zF/ph3vSArsy2doitvdgwni5O9z0= Received: from localhost ( [112.0.147.175]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 03 Apr 2024 20:51:24 +0800 (CST) X-QQ-SSF: 01400000000000704000000A0000000 X-QQ-FEAT: 3M0okmaRx3j5lef41+AwE9Y+CgaUKkKYmVC9Hf7Y5u3aB2n+VoMXvS/oH3NmX CN9ZCNixChYwql3f3fM5oDTW1nlfJ7ur6GPa+OMpaISt8QpYZ3KML+ejjTkle5SChoMBkgB WfWGVyewEtJl6VYASlgkfrQIxq4VAaduXp54kOyVX4zNbMJghsvQkYBQYfi8cBHe5za7UEL rpIWIjPHyvAvgLrR26/oD3TEzfFgc9ReQ/8Uqkt3zOeI8x2Cu35qyHya2Z+AqCdmQCcfrYo HWGcPRgZh4ba2tQlpgXjn6fh2yfZl6dOsND1xR0VcpYdup7f5mWK8CO9qO3ty89A9yfewrJ fsCIZOvws9FjUKVUirxoDWz54Noyvtuf7ij3guUpEAwvlXSkbr+N1toNtijbzkM9eu74dlN OQKCh/y/vMYHRSkIBZDRvA== X-QQ-GoodBg: 2 X-BIZMAIL-ID: 6104082383576056037 From: Dawei Li To: will@kernel.org, mark.rutland@arm.com, yury.norov@gmail.com, linux@rasmusvillemoes.dk Cc: xueshuai@linux.alibaba.com, renyu.zj@linux.alibaba.com, yangyicong@hisilicon.com, jonathan.cameron@huawei.com, andersson@kernel.org, konrad.dybcio@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Dawei Li Subject: [PATCH v2 00/10] perf: Avoid placing cpumask var on stack Date: Wed, 3 Apr 2024 20:50:59 +0800 Message-Id: <20240403125109.2054881-1-dawei.li@shingroup.cn> X-Mailer: git-send-email 2.27.0 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtpsz:shingroup.cn:qybglogicsvrgz:qybglogicsvrgz5a-1 Hi all, This is v2 of [1] and [2] which basically eliminate cpumask var allocation on stack for perf subsystem. Change since v1: - Change from dynamic allocation to a temporary var free helper: cpumask_any_and_but(). [Mark] - Some minor coding style improvements, reverse chrismas tree e.g. - For cpumask_any_and_but() itself: - Moved to cpumask.h, just like other helpers. - Return value converted to unsigned int. - Remove EXPORT_SYMBOL, for obvious reason. [1]: https://lore.kernel.org/lkml/20240402105610.1695644-1-dawei.li@shingroup.cn/ [2]: https://lore.kernel.org/lkml/1486381132-5610-1-git-send-email-mark.rutland@arm.com/ Dawei Li (9): perf/alibaba_uncore_drw: Avoid placing cpumask var on stack perf/arm-cmn: Avoid placing cpumask var on stack perf/arm_cspmu: Avoid placing cpumask var on stack perf/arm_dsu: Avoid placing cpumask var on stack perf/dwc_pcie: Avoid placing cpumask var on stack perf/hisi_pcie: Avoid placing cpumask var on stack perf/hisi_uncore: Avoid placing cpumask var on stack perf/qcom_l2: Avoid placing cpumask var on stack perf/thunderx2: Avoid placing cpumask var on stack Mark Rutland (1): cpumask: add cpumask_any_and_but() drivers/perf/alibaba_uncore_drw_pmu.c | 10 +++------- drivers/perf/arm-cmn.c | 10 +++++----- drivers/perf/arm_cspmu/arm_cspmu.c | 8 +++----- drivers/perf/arm_dsu_pmu.c | 19 ++++++------------- drivers/perf/dwc_pcie_pmu.c | 10 ++++------ drivers/perf/hisilicon/hisi_pcie_pmu.c | 9 ++++----- drivers/perf/hisilicon/hisi_uncore_pmu.c | 6 ++---- drivers/perf/qcom_l2_pmu.c | 8 +++----- drivers/perf/thunderx2_pmu.c | 10 +++------- include/linux/cpumask.h | 23 +++++++++++++++++++++++ 10 files changed, 56 insertions(+), 57 deletions(-) Thanks, Dawei -- 2.27.0