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([12.186.190.2]) by smtp.gmail.com with ESMTPSA id x19-20020a05620a449300b0077772296f9dsm3572219qkp.126.2023.11.15.08.59.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Nov 2023 08:59:23 -0800 (PST) From: Bartosz Golaszewski To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Thomas Gleixner , Marc Zyngier , Peter Zijlstra Cc: linux-kernel@vger.kernel.org, Bartosz Golaszewski Subject: [RESEND PATCH v2 1/4] bitmap: define a cleanup function for bitmaps Date: Wed, 15 Nov 2023 17:59:12 +0100 Message-Id: <20231115165915.2936349-2-brgl@bgdev.pl> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231115165915.2936349-1-brgl@bgdev.pl> References: <20231115165915.2936349-1-brgl@bgdev.pl> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Wed, 15 Nov 2023 08:59:37 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782650061178050788 X-GMAIL-MSGID: 1782650061178050788 From: Bartosz Golaszewski Add support for autopointers for bitmaps allocated with bitmap_alloc() et al. Signed-off-by: Bartosz Golaszewski Reviewed-by: Andy Shevchenko Acked-by: Yury Norov --- include/linux/bitmap.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 99451431e4d6..df24c8fb1009 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -6,6 +6,7 @@ #include #include +#include #include #include #include @@ -127,6 +128,8 @@ unsigned long *bitmap_alloc_node(unsigned int nbits, gfp_t flags, int node); unsigned long *bitmap_zalloc_node(unsigned int nbits, gfp_t flags, int node); void bitmap_free(const unsigned long *bitmap); +DEFINE_FREE(bitmap, unsigned long *, if (_T) bitmap_free(_T)) + /* Managed variants of the above. */ unsigned long *devm_bitmap_alloc(struct device *dev, unsigned int nbits, gfp_t flags); From patchwork Wed Nov 15 16:59:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 165501 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b909:0:b0:403:3b70:6f57 with SMTP id t9csp2674129vqg; Wed, 15 Nov 2023 09:01:21 -0800 (PST) X-Google-Smtp-Source: AGHT+IFQyz1ufzgQpjvS/W7+nBw8GWkGvYFfXxbUXmlPdKvfr/lOlnVCbm5hP1VjNBOnpezdz5fp X-Received: by 2002:a17:902:ea08:b0:1cc:4a84:27fa with SMTP id s8-20020a170902ea0800b001cc4a8427famr6480929plg.9.1700067680996; Wed, 15 Nov 2023 09:01:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1700067680; cv=none; d=google.com; s=arc-20160816; b=JwA8bEwKrNIT0AM+ayAd+AS9PqJh+Mc3yzOX6681PgisgwQuwoBu1MOoX+dh8f6nmS VhI+YChM9zsXTK3BxKOoWMrZ6XsOz4J/Ucu+//xVPsl8IXcXGKtI7C+nk8deLc97QVId pk++wq3djxd1JxH0wmuHbeaWM79cC2x58dK4s9/I/YGXrTHfr4OP4Ptm9A2xkJU98cTh /qHgL564eDmKEgUfW9Ulh0euPYR8DNrXV84g3M0gvwVMWj9edHBWL01pqGT1a77fyVXU 6eXsX16HzAkloDUFlx9JP+/OANkkYtQyKGvOK9/CYWbBEA70H2VlVPSKhBy4CMQBHFIp 16Sg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=lhF5NthBM2Es9ERveXoYfwPd/Rxqijhgw0U1wdCYWbU=; fh=El7U+Cg75FrEsqBKE0pb+XSRaZD7UUWlPElNZyAnAj8=; b=rtVS9Sg0rONecWxaBOG3v/R2mrBL5wWTMjWBe5XbsM84p9zM1bvu1E15Jd6y42zO05 At0Xrw0pzQPSHjLSkdGC6wKUuTEAYcMu31zZVLYxXZ4T4BghNPwiK7bV0fOFyM6g+0HH Af5U6Sg7V50Xx1J4VXwck6aO6SbyeK043AxnbTPTg0dpVSe4ltYlu2RlwLw9KzwNzTzJ tRNI63tSaoNtovU+WVuYyvuS3KyDs4R75K5Ck1QIU1eD2+X4V7i3vpdmuGvDp/8qUXHh 4nL6S9qd2YiaJhTNmdG/GcAKqygB9Ym8IO2DvcB5wEvWQfNJ9azLisG8fkgfBuPosW19 wFzg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@bgdev-pl.20230601.gappssmtp.com header.s=20230601 header.b=GTG4fRsA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from agentk.vger.email (agentk.vger.email. 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([12.186.190.2]) by smtp.gmail.com with ESMTPSA id x19-20020a05620a449300b0077772296f9dsm3572219qkp.126.2023.11.15.08.59.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Nov 2023 08:59:25 -0800 (PST) From: Bartosz Golaszewski To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Thomas Gleixner , Marc Zyngier , Peter Zijlstra Cc: linux-kernel@vger.kernel.org, Bartosz Golaszewski Subject: [RESEND PATCH v2 2/4] genirq/irq_sim: remove unused field from struct irq_sim_irq_ctx Date: Wed, 15 Nov 2023 17:59:13 +0100 Message-Id: <20231115165915.2936349-3-brgl@bgdev.pl> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231115165915.2936349-1-brgl@bgdev.pl> References: <20231115165915.2936349-1-brgl@bgdev.pl> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Wed, 15 Nov 2023 09:00:14 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782650168803521748 X-GMAIL-MSGID: 1782650168803521748 From: Bartosz Golaszewski The irqnum field is unused. Remove it. Signed-off-by: Bartosz Golaszewski --- kernel/irq/irq_sim.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c index dd76323ea3fd..f5ebb3ba6f9a 100644 --- a/kernel/irq/irq_sim.c +++ b/kernel/irq/irq_sim.c @@ -19,7 +19,6 @@ struct irq_sim_work_ctx { }; struct irq_sim_irq_ctx { - int irqnum; bool enabled; struct irq_sim_work_ctx *work_ctx; }; From patchwork Wed Nov 15 16:59:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 165499 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b909:0:b0:403:3b70:6f57 with SMTP id t9csp2672629vqg; Wed, 15 Nov 2023 08:59:44 -0800 (PST) X-Google-Smtp-Source: AGHT+IEa2XLV7VBFuCSrzeK/7EJbDt5JeP3rcSzUmS3aw2vjpr2H7pjsSzdmCbo94VcMNBN25GPD X-Received: by 2002:a05:6a21:e85:b0:187:440b:6e40 with SMTP id ma5-20020a056a210e8500b00187440b6e40mr4208682pzb.17.1700067584388; Wed, 15 Nov 2023 08:59:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1700067584; cv=none; d=google.com; s=arc-20160816; b=w/wbc9imOzzMLx59MauzghYWCrNVd80uUQChnXRK8obBRQ5y6TkbpMLc+fpGtbGTFd dXkR2TNY1ncMYbt6chWb402A+bBczSz+EA3vgHe5eATo1vc1r5i82DVa3J9Bau/O7LP4 AN+g4ZaDMqSpwYevqE55UHoPesSoFpCvv6id/bYMry03T3r9DWkcZzc9d+XFAFSlqXR9 6FRN/aBYSGwg0WorDxUuI9IiIfLcrH32yLsDw9MPKL8rpKcvw2LZ2d6lnYKy/vO8bwpU mdrzzmzu04UqAx1fvt0085c7dW67nBb5LYfT8hMPI/LnystLefPsm6RJigrSwe4izbWI LHuw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=/MictaQTnmuvgryOODFf0I7jgiEaNRAnJ9k//p/ysG8=; fh=El7U+Cg75FrEsqBKE0pb+XSRaZD7UUWlPElNZyAnAj8=; b=QnJDow02LAq2J8Qw7tSjm1LeB2Em4fwluiybeHFrr7LdPz1O0sgCr1Ygl3lRXe6XOd cBOG4RPpWAwRnFMq8MawDjAoWcKsJMx1K7bKvzD1mECkoRUe1TvwpKAJGSn+3H6/t1Lr 0H3CIN4RJJS2yOEb+kUs9orJwpmoHV1k4G+1+YqOpZAFP6s8Bg+rZtE+OoeFO0HM7MbG DhQc7L6yQeak55Ors1Lnnaw7N4Rk0fbBB07vlTYIVGMyZLomyOfMcLrOjIInvORurOkU GMyXriSU/nVezQK7yZiWqk5IxwY/UGr/gb25lBvRzjxHEO8Q+3nWgRn1ZHHemoQhCY5k 13pw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@bgdev-pl.20230601.gappssmtp.com header.s=20230601 header.b=ITD1ASAk; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from snail.vger.email (snail.vger.email. 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([12.186.190.2]) by smtp.gmail.com with ESMTPSA id x19-20020a05620a449300b0077772296f9dsm3572219qkp.126.2023.11.15.08.59.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Nov 2023 08:59:25 -0800 (PST) From: Bartosz Golaszewski To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Thomas Gleixner , Marc Zyngier , Peter Zijlstra Cc: linux-kernel@vger.kernel.org, Bartosz Golaszewski Subject: [RESEND PATCH v2 3/4] genirq/irq_sim: order headers alphabetically Date: Wed, 15 Nov 2023 17:59:14 +0100 Message-Id: <20231115165915.2936349-4-brgl@bgdev.pl> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231115165915.2936349-1-brgl@bgdev.pl> References: <20231115165915.2936349-1-brgl@bgdev.pl> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Wed, 15 Nov 2023 08:59:43 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782650067317474227 X-GMAIL-MSGID: 1782650067317474227 From: Bartosz Golaszewski For better readability and maintenance keep headers in alphabetical order. Signed-off-by: Bartosz Golaszewski --- kernel/irq/irq_sim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c index f5ebb3ba6f9a..b0d50b48dbd1 100644 --- a/kernel/irq/irq_sim.c +++ b/kernel/irq/irq_sim.c @@ -4,10 +4,10 @@ * Copyright (C) 2020 Bartosz Golaszewski */ +#include #include #include #include -#include #include struct irq_sim_work_ctx { From patchwork Wed Nov 15 16:59:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 165500 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b909:0:b0:403:3b70:6f57 with SMTP id t9csp2674131vqg; Wed, 15 Nov 2023 09:01:21 -0800 (PST) X-Google-Smtp-Source: AGHT+IGb0KIfMgLHUgyJzY/GwiiQ8PeIYRPw1Fso4e/avf234/NDduhAuCbnSZAfwGBlf+7imDBr X-Received: by 2002:a9d:6f8c:0:b0:6d6:45b1:faff with SMTP id h12-20020a9d6f8c000000b006d645b1faffmr5952286otq.30.1700067681058; Wed, 15 Nov 2023 09:01:21 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1700067681; cv=none; d=google.com; s=arc-20160816; b=BefrnVYbsqNyrfzWwyoLl1ayC7vtFXXtRk14dr8nsGORB9WyNuYpIv+6iwFtEiqt0q MyqyfWkDAHcESs0MFzQk1ilGNBP2CQSQDqRiG+onFHgwxeiZTs0rPOO2nP8gQe784RUJ xQijQRqVgjcxmWgW2X/b8+chxydwHixzAcRwT59MtjBPbMJ3WsrhuGOpqXnO3cFllVvH 1LAFfY02sKJZBm02vmUrF0mjZv0QjoZ1625Yi1sgYuP3wvNjCopN8IirrbUd2XJt0+qv o6hZxXu6J/7v7joPOs/A5ZEHi7Re1/mwkSgFkeCINAm9/6zIXJi7T8TuuqvUfRlat474 2BBg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=DcMpSzqjutwlYPIEdiYUpdYZXwsHBg8m+KC9MOwgURk=; fh=El7U+Cg75FrEsqBKE0pb+XSRaZD7UUWlPElNZyAnAj8=; b=mUFppWWcdRFmu3GnBWxKBlDgaZtSzSJDcrq1wRwZNRplA3ZgZZV7QC9hU50M2E3FDg 2c082M/hHC6ah/Yir1zo77yU3y4i5Qj5gbRR8v060Ht8aVwZpiqXwoexsXogsnUofokN 1W5r9YTZhdoZwMaTC1XlMzFnERN92D9FwxkI2piQJsbjfOEitLgZEpQ5Wg4HZooWhL81 WF+CuAEfvB5ma/m6xGOig/Zp2lYcXkSBRxNG/o0438lEeGSdZrIjXPLk9aMqu0Vl/1Mj KuWz/trpOZfLLqJDeJyxzbdFeZgIKAJORdNSdhLU4B+hbvizkxVon4rJSWx9u0XXpAm3 x6BA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@bgdev-pl.20230601.gappssmtp.com header.s=20230601 header.b=syUI3lLm; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from agentk.vger.email (agentk.vger.email. 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([12.186.190.2]) by smtp.gmail.com with ESMTPSA id x19-20020a05620a449300b0077772296f9dsm3572219qkp.126.2023.11.15.08.59.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Nov 2023 08:59:26 -0800 (PST) From: Bartosz Golaszewski To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Thomas Gleixner , Marc Zyngier , Peter Zijlstra Cc: linux-kernel@vger.kernel.org, Bartosz Golaszewski Subject: [RESEND PATCH v2 4/4] genirq/irq_sim: shrink code by using cleanup helpers Date: Wed, 15 Nov 2023 17:59:15 +0100 Message-Id: <20231115165915.2936349-5-brgl@bgdev.pl> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231115165915.2936349-1-brgl@bgdev.pl> References: <20231115165915.2936349-1-brgl@bgdev.pl> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Wed, 15 Nov 2023 09:00:03 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782650168781636618 X-GMAIL-MSGID: 1782650168781636618 From: Bartosz Golaszewski Use the new __free helper from linux/cleanup.h to remove all gotos and simplify the error paths. Signed-off-by: Bartosz Golaszewski --- kernel/irq/irq_sim.c | 27 +++++++++++---------------- 1 file changed, 11 insertions(+), 16 deletions(-) diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c index b0d50b48dbd1..82b7b5051249 100644 --- a/kernel/irq/irq_sim.c +++ b/kernel/irq/irq_sim.c @@ -4,6 +4,7 @@ * Copyright (C) 2020 Bartosz Golaszewski */ +#include #include #include #include @@ -163,33 +164,27 @@ static const struct irq_domain_ops irq_sim_domain_ops = { struct irq_domain *irq_domain_create_sim(struct fwnode_handle *fwnode, unsigned int num_irqs) { - struct irq_sim_work_ctx *work_ctx; - - work_ctx = kmalloc(sizeof(*work_ctx), GFP_KERNEL); + struct irq_sim_work_ctx *work_ctx __free(kfree) = + kmalloc(sizeof(*work_ctx), GFP_KERNEL); if (!work_ctx) - goto err_out; + return ERR_PTR(-ENOMEM); - work_ctx->pending = bitmap_zalloc(num_irqs, GFP_KERNEL); - if (!work_ctx->pending) - goto err_free_work_ctx; + unsigned long *pending __free(bitmap) = bitmap_zalloc(num_irqs, + GFP_KERNEL); + if (!pending) + return ERR_PTR(-ENOMEM); work_ctx->domain = irq_domain_create_linear(fwnode, num_irqs, &irq_sim_domain_ops, work_ctx); if (!work_ctx->domain) - goto err_free_bitmap; + return ERR_PTR(-ENOMEM); work_ctx->irq_count = num_irqs; work_ctx->work = IRQ_WORK_INIT_HARD(irq_sim_handle_irq); + work_ctx->pending = no_free_ptr(pending); - return work_ctx->domain; - -err_free_bitmap: - bitmap_free(work_ctx->pending); -err_free_work_ctx: - kfree(work_ctx); -err_out: - return ERR_PTR(-ENOMEM); + return no_free_ptr(work_ctx)->domain; } EXPORT_SYMBOL_GPL(irq_domain_create_sim);