From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:1253 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753646Ab1LANJh convert rfc822-to-8bit (ORCPT ); Thu, 1 Dec 2011 08:09:37 -0500 Message-ID: <4ED77C85.1050705@broadcom.com> (sfid-20111201_140941_883128_E7078C48) Date: Thu, 1 Dec 2011 14:09:25 +0100 From: "Arend van Spriel" MIME-Version: 1.0 To: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= cc: "b43-dev@lists.infradead.org" , "linux-wireless@vger.kernel.org" Subject: bcma usage in isr context Content-Type: text/plain; charset=utf-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi RafaƂ, I am doing some final testing on our brcmsmac driver, which I tinkered to become a bcma device driver. During testing an issue popped up in the ISR code. Looking into the bcma read/write functions in host_pci.c I conclude that bcma itself does not provide protection for concurrency. Am I correct in that? How is this solved in b43? Gr. AvS