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Thu, 17 Jul 2025 13:24:57 +0200 Message-ID: Date: Thu, 17 Jul 2025 13:24:56 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Marc Zyngier , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: LKML , Bjorn Helgaas , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Lorenzo Pieralisi , Manivannan Sadhasivam , Rob Herring , Thomas Gleixner , Toan Le References: <20250708173404.1278635-7-maz@kernel.org> Subject: Re: [PATCH v2 06/13] PCI: xgene-msi: Drop superfluous fields from xgene_msi structure Content-Language: en-GB, de-DE From: Markus Elfring In-Reply-To: <20250708173404.1278635-7-maz@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:FgQynEO40w9zI3vDeDUCbwgqIxMItoKDVDQm4BSC3xqahQfs1Zk nbQ+37U9hYGSSCcrHfGt5XPJycP9qZi+0hXezt0JQCAxiVmQqO/9KQpeG8VFL1XJe0VAeLW dMwwsmuhfGxZB1Ov8rmspCQ8eF7Y/oIrRDoFfkY9Op73xyl+juCJcg273FcGrWyc+GjHTCH FfvEPpOEOYUvA6xSVFtGg== UI-OutboundReport: notjunk:1;M01:P0:AeAtWUZA79U=;q+ItQTMz043vZWcIX4O0CV2z6CD c1y7b+Vyx7pIRbZFxJDZXEF6IEUj3VzIIhhUkb7TFrO4WEjQV6xOAXOX3uq8y+uz1S4d2faoO 3g1/56yygAwQAiLSvzLH8ZMinitidCNRXEPW1bgHTwjMsSfHtxoJp+scNFsCTsTXp6AejS1W+ uwQL5HZ2UKcSP1/vx0ETv8yrgX//yQsoCdcvbDfkHUoqh7TJL5W1HvHFg2yBwHyR82GEEwVZM K3nmjfjXNff/YVtSNFLk6zNucW4udGd9y9wRj8IrweVl3+UKhCzmoJw4Si+7KMSrTGOhTvpYg o7mzcCBpgsZCfXSVizJHfkYDyngP11TkKTAoKHrM7nlSTknklUPBzjwikGOKVoqM9V+cMh1TJ ug4sK+ffTi9Q49bZ7eelJvJ0rh1aUXCZJUerZWD5zdg+nltWDn/n49htUjralMWyW5wXhQHcN bnu5jAMwQ5xjomWO3DC8SkMw5fZZqgKqvA5ZtWxVqerepIACF11Os2QXBX82PXRSNi5JR7VpD ubPYvDy3RU1A4u/thZEVPZKoeVOLr/ycIS6SyL/vNhqjUKD3dpYEu38fotsMjlB+hnCARRe2A dyZlTuWfXCbJVvlqG98qG+TWtTKuhUOFYJ4S3+xc6Pe4jU/Nz4mW+C7vm1AKAtAvfDeLKM7dL 8rJUksEOlG57C1aTiYj2hXNo0OSHbyNqK7CHf0kLIl4iBzoo4ySucZRhGxGde2yQaDB0rdine j1L8jIN3V0BnZz5YmyS1wtba2ItpadO1WxmgKQguq6F4jLm+Ds64GAwYRGaMw95QDinCUHUqx gqz9ixavF45fm86Wu8DK1s/BrD8IBHsoz4TSSwYVzX/yhhc9MdT9wWi9qGXh6VaFVt+KIwzEB h3QYmPNpzLYsbrPlEiZj+3Es0E6otpVVbX1RJSzCL2qJH9cnFeQYJHy13zWJDqPTxMdD+Iq9A LNtJgbdtVfCIV75UmKjJ1jB+G5rVP1feZNSxvDCQaKmr0ov4CqgCgaBSXkvTN4Y2jiFKZYLzM AYHbABCX4Y0l8BbBWJP0lBqyCOkENlNqacZGWKQKd8NlRkynCdbsDo27A5e0B300cctS6CH9V a+u1i/OciF2EPnqW4PewvF9IB5y68YI+/Un9PTmylGnPu6mSA8PV2E2VOmopVg6YDRh2flQag VXWgda5+F4r3F6YjfSp3GLp4GVr3E9xapUhDhyKkddbG4ZctCWBEPg65WPa+7CJOyraV9aFyB FkRGJreg+2iARCxynArysEXNige45OwJZmNif9eeaIaUOORwI8abE5AkHGVhBgdQt0YKpj+iQ kjFYwf3sG8R6HdRCLysFM3v4kOu9kWiAMwVh0NW24mXOCttklu7WUVesIrx//Fji469WkiYuS I2MpBtdidv+tTlGmCGmWWOE7YExBXa+KQ6sejtlu4++jOoY9MKNpmSgEd/4bIZRanXW9ViT4O +wga+wy6pTCsdBJ3RWLbDs7orucGW2dHzfKCsLBOjL7+0+irKuh0elv+LeK7ahfFyQjTcBIWY ewfLehSfWkAw8mFZVl6Qa0a339DrmtzaWp5zlcGUkq6zgtrpUQ1bRqpW2Whq3Uqx24/OB3FHv OO3N6C2XjF9q8UrkiX/Md7eIX5/Ht7lZVgF8szeEp66JENvanAk0pTU1EbmtBiOBWOJ7Xz7Jf r8zqOWa18dorn0kSog6qv631BdNkHfAnz6/EOktpLs4hMy/BuNeJuoC7hG/K/R4Dj5Soagyaj KNlDVq7WIfEZ+nnLHmNw/BcMTJHsINnaRBPDHVB+rOJrctxzjL3FFJG+0f1Dowp6ur7Sfw8cn sFgBrE+A6Axz9AzhQG7aWBulcnql2r0ZK98x20K4iNn1PdYhhIpXGFdNXa7Ex1g2Yq3Sox6yT qRezosbhOKeW/dcKJVJsuCwNna4mx84qbYo/y2IoqKDfrhAFMPy+DolnRiQRqvjvqFHae2Ea8 SX7O/dCCbjG7Jolzu8xgiI2Zu2df3rNxgAtWSbelg2UDSHaJ1HfWa0vSk8/BYk4+5oxgRyg9e 3gUZq+Ez01qPBA06R54/8rOXnJETsKIk4qB9gS5Wdy7f4M9oQr1dHmQLYS4Wcv+BpbRLb6t1z YYkj0zy3c8X+n8meNCPww1QzV1Lu/Skj2lB6r3tqCjgsjLz8aPAe4o7nEhUymH8ZH4hDbqPOd 4/lxM8PHZigMl7Ynwm0pJawHNLzyTFbRzQO1LhnA/E7Ww6fAmZwydazl2MESS6kc8mqDr8rQn n/KC+A+aIXEiTZqIjgX51A1sQr0ZiwZfgqG9ICbnhilhgMooyzBJ0p372c/N+K2HRVlAYKbiD icXnqNQSi3oWgZfa2joxZYGsvWK6YVQd5MfXBuHA5cGnU2GBxxQtzDcvhS+tP/MR8J4kzqwjc nGoE07NFHhjWx4SAAoJT2txo07wUfaYcccKt8PhOxBmp+St5yJ6IKGGR7fKyrk4D4nFHTw6FU RmTs5eaEawL3jSHWF6LDqXfaOVaB4pVAPvAYyfmb4sFo0VRlgQdRlWIm4UIJwTO3se5suPZ9v +a6U1PVYdKyQEiGxZN1R2MAz/xiLyiJs8O/3rcwGS7+APDBjApxj1OtaVTVbz7ZNuSyyRsd2N +blJRpq6fGauUQ5eHA0VUUcRHTDItSBCDf93ogl0Fk1NJUU+729y5juguPB6eOxOpxXT7OTSj cFbjvRdAyLJd/tEIOXX1Xa2BeKkhK8gWVKqYXZ4U6mSoUvB8DdfJTVvpivhcp6VqWyZBEbuo0 7FCFT7tiMXQomAiSICeNEoUorFQMn9FmiqwpbPb18A2JKRYMq59KgvERLoB3qYG5pg7ckZUmE iKFKXdjFdkQMtT8v+4lFU7GUWzHOaNOwzTYMBR3tNv0594ymqwOO8sQRHqC1OLapHRrQhb0Yw tGhYrsVCNfQoB8A62m09RVNQcWBTZaaQ1vq48ZARY9IVvgK/97d3G3sk0lotfw9YJf3t0cD1+ rwdgcXua1L5sMv0vIxcZiO03M9s1mupRvuiLDsx6FMAKlm/5TouOu4ofIBz/sjUrwdP6Rswuh reFZAs1pOFAhCrOeQqY802Wt3ec1Kxo9/W9b5jIb+Y1QwwAyKQPasz8aMoVfoDeKo9AugfcMQ TMXrgUcLTHgyKvQAOGR+UzI7GRiRzfiDoBDAOKyXZU5dxw1M8icxuxgt6jFa6bX/yT7k/W2Wv g5QDwGjIv7+9QS+PQc9xR5nSjompwziCFYM+R4jiCsr2BB5jmajgyPDCGZ0SANvoWPtFtq08v 5De/SPRBkMgZcQokFBk+yLqP8aOyPxhXbrZc9SWhULuboRGBFiPJpQDrNKKvSRuobtOXTNdAu rqz/UbrO3pxBYyoYlLExiTv3uwD6BE4Wv6xeuMY3ZZxjTRbibZ+nUZF/muVPv8HyldSpNcCdA KqwOMMHlxj6JQ6e8DivbjzT/S5zTVdS63SrZeAYkL3kidFBJeI+h86uJTOAr2oXpZ0D/+dR7y kK76oRw/A7c8U5f/tYq9Pc+q/iU1J4PWoZBrn6rW4T4FuHjnu03QfNs+eswxS0vZIpZ+vkxnS bQutKyeqU9WTTVHowgnnvjlpEPl5xKLJpZmMpUVckXEmlwo1uHgr3YBj4b0E+uJNbW0yeJYWY nJf1PMs3ibHGh9kR0RLQ0eXCXmSgHiX3I4xavkBO6Mrs2+dwukL2R/Wlw== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250717_042505_473755_915CB66E X-CRM114-Status: UNSURE ( 4.45 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org =E2=80=A6 > +++ b/drivers/pci/controller/pci-xgene-msi.c =E2=80=A6 > @@ -214,7 +212,7 @@ static void xgene_irq_domain_free(struct irq_domain = *domain, > mutex_lock(&msi->bitmap_lock); > =20 > hwirq =3D hwirq_to_canonical_hwirq(d->hwirq); > - bitmap_clear(msi->bitmap, hwirq, msi->num_cpus); > + bitmap_clear(msi->bitmap, hwirq, num_possible_cpus()); > =20 > mutex_unlock(&msi->bitmap_lock); =E2=80=A6 Under which circumstances would you become interested to apply a statement like =E2=80=9Cguard(mutex)(&msi->bitmap_lock);=E2=80=9D? https://elixir.bootlin.com/linux/v6.16-rc6/source/include/linux/mutex.h#L2= 25 Regards, Markus