From owner-freebsd-arm@freebsd.org Thu Jul 2 16:18:16 2020 Return-Path: Delivered-To: freebsd-arm@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 4159D35A428 for ; Thu, 2 Jul 2020 16:18:16 +0000 (UTC) (envelope-from kamalpr@gmail.com) Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49yNYf5dfQz42VQ for ; Thu, 2 Jul 2020 16:18:14 +0000 (UTC) (envelope-from kamalpr@gmail.com) Received: by mail-io1-xd2c.google.com with SMTP id v6so15807661iob.4 for ; Thu, 02 Jul 2020 09:18:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:reply-to:from:date:message-id:subject:to; bh=aaCij4tCafGweUhfb0qBI1+OyHCbqhSiPVaqQQJJ9go=; b=GB77ROf7zT/BUFAGIjJQfmgmZ3FKdkZpHyphPDccspAQ8jXoahD5IcZSJNJMZV6MWJ rmSP2YBvmmf8o8Fi/En1A0msHw4r2On+j8Gbo7FoH79P+kYg2UtBV7fF90XiedAoMc71 z6XnFD+ntweRkBBOc+s53iDUMikI+FKLCR2rGTwjpF9x4Xhb3CuoFrMzvzQtFM1tBGXO UgKw6IX05ScNBcP/GZROjvC28o0wa2SA421u4Qfz6CLrQgMF4t6MekUvLm824/wPBlHg BqMlIKXVashLvWCcpD6FdbcVJnmRZL1QryuC3maEDQArco7wpRxoGdnAQMzFcu76Z5F+ bgdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:reply-to:from:date:message-id :subject:to; bh=aaCij4tCafGweUhfb0qBI1+OyHCbqhSiPVaqQQJJ9go=; b=oO+Up1DbPDO4dVMlKzOmm23zloUsqoigpNDwDaxIKcnr+C2ADgRTAlxTc3z664LP2I Y/xYEdwgEZfM8lVigYq3OAQzXpr64SSuJWofUqFNQqDkoKqUEtw9Bo0/5lydagBX9A/4 IvX9urgtx7fKqFBAKOoa1XQCyrcMG3mnZcih+cZsNGhcHr/G/yS3UD7U8e6sB2vYGrSX df6RaQqePR5+uaw2qye632npkOCsIPj7oiWk2ErLoFwyT2wfwHfJt67rzFyGujGAfZ/d 12ZtkIGytWBc/GhOZrAoCtIWhd8b4tVWu0txLCD6HG04e5u5wX2ghNh6a6DWShv5Q4es 4KbQ== X-Gm-Message-State: AOAM533IyxSBAWyQY+AiJ1w+7w+XeSC9l7TTZZPbM8OJflzih2s3AyBK T98Pcwecp+0IAhptNLKLCdibXkvaZ7Y7+ZPtN4r7z0yE8jWC X-Google-Smtp-Source: ABdhPJya4lM0TBJcX5oGOpXE02DPj3tuD7gUWXIg3V+UwgVHly5G4ylo2MekJJwUcS1juyGonTiXGjLoEGpTfYBRUqQ= X-Received: by 2002:a6b:6f0d:: with SMTP id k13mr8005400ioc.119.1593706693052; Thu, 02 Jul 2020 09:18:13 -0700 (PDT) MIME-Version: 1.0 Reply-To: kamalp@acm.org From: "Kamal R. Prasad" Date: Thu, 2 Jul 2020 21:48:02 +0530 Message-ID: Subject: cv_wait To: freebsd-arm@freebsd.org X-Rspamd-Queue-Id: 49yNYf5dfQz42VQ X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=GB77ROf7; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of kamalpr@gmail.com designates 2607:f8b0:4864:20::d2c as permitted sender) smtp.mailfrom=kamalpr@gmail.com X-Spamd-Result: default: False [-2.59 / 15.00]; HAS_REPLYTO(0.00)[kamalp@acm.org]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; NEURAL_HAM_MEDIUM(-0.89)[-0.886]; FROM_HAS_DN(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; REPLYTO_DOM_NEQ_FROM_DOM(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-0.98)[-0.981]; TO_DN_NONE(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::d2c:from]; NEURAL_SPAM_SHORT(0.27)[0.273]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Jul 2020 16:18:16 -0000 hello, i have written a piece of code in a freebsd driver meant for arm. The first cv_wait(&sc->sc_cv, &sc->sc_mtx); keeps waiting indefinitely. If I use cv_timedwait() instead, it returns EWOULDBLOCK does someone know why this is happening? thanks -kamal