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dmarc=none (p=none,has-list-id=yes,d=none) header.from=networkplumber.org; iprev=pass policy.iprev=140.211.166.138 (smtp1.osuosl.org); spf=pass smtp.mailfrom=driverdev-devel-bounces@linuxdriverproject.org smtp.helo=whitealder.osuosl.org; x-aligned-from=fail; x-google-dkim=fail (message has been altered; 2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=GygIvudr; x-ptr=fail x-ptr-helo=whitealder.osuosl.org x-ptr-lookup=smtp1.osuosl.org; x-return-mx=pass smtp.domain=linuxdriverproject.org smtp.result=pass smtp_is_org_domain=yes header.domain=networkplumber.org header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 X-Remote-Delivered-To: driverdev-devel@osuosl.org X-Google-Smtp-Source: AH8x224p3NAN82N1amSKpGClq+7CI7leb6BDyDXIDvrpWmFnlPUNvmPgtMt9FBShqhXIzKRoErFYBg== Date: Sun, 11 Feb 2018 15:50:47 -0800 From: Stephen Hemminger To: Michael Kelley Subject: Re: [PATCH char-misc 1/1] Drivers: hv: vmbus: Fix ring buffer signaling Message-ID: <20180211155047.7859be96@xeon-e3> In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.24 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "olaf@aepfle.de" , "sthemmin@microsoft.com" , "gregkh@linuxfoundation.org" , "jasowang@redhat.com" , "linux-kernel@vger.kernel.org" , "mikelley@microsoft.com" , "marcelo.cerri@canonical.com" , "apw@canonical.com" , "devel@linuxdriverproject.org" , "vkuznets@redhat.com" , "leann.ogasawara@canonical.com" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Sat, 10 Feb 2018 20:48:49 +0000 Michael Kelley wrote: > + u32 delta = rbi->ring_buffer->read_index < rbi->priv_read_index ? > + (rbi->priv_read_index - rbi->ring_buffer->read_index) : > + (rbi->ring_datasize - rbi->ring_buffer->read_index + > + rbi->priv_read_index); > Would it would make sense for this to be a wrapper function like other ring operations? _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel