From nobody Fri Jan 19 18:50:04 2024 X-Original-To: freebsd-ports@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4TGpZm1MlZz577sH; Fri, 19 Jan 2024 18:50:08 +0000 (UTC) (envelope-from jbeich@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4TGpZm0PXYz4k29; Fri, 19 Jan 2024 18:50:08 +0000 (UTC) (envelope-from jbeich@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1705690208; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=PitFQA4Ya5NUnyjmdawNPu/5CTlayFApkwH/6MZgmNQ=; b=B3g9Q7ZdZrkNEnsBQx2UXKW5R19Gs126XEkvtLleBrlin2HpJtu+CR4Nn9O7Ob895n4JVb sI28Z1jMxXOaJiFnNujZnblFxT/xGtm4VtNY1gygpwXwCExmZ1PSe5V+LtGIrMEonntWsw Qs20Axa1vHwbFFfRCBxzdO8Dg9h9Rw6LEinOh34DAM5vLlpquXF5N2Zc60FxGmJpirvXMQ z1Dn6hAtUZm2OF1CwlEWtA7NhCzt3oa4o9/iDtDO4tOZYg6kKA8B2aSIHct3/MhtXNyboR Wblky3nF8XrgFwuOp77fTse0v1dAhZd3J1dYsWOjWjIc22zmoXWpkzTxt2fXYg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1705690208; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=PitFQA4Ya5NUnyjmdawNPu/5CTlayFApkwH/6MZgmNQ=; b=c3vQ9n97I0MPC6ct2kzrxmXT+PkgFupCf3cgataXmjW/U6+0IqCsyq/xc87IVNUtTQ/eKy 1mNQkLJkjAds+x9BhMmrbXfcf3rvsp9/5PKIDzwKRFFrjf0pQkk2mMF/yPXIy/tDkUOoOS DZTp/o9oXAfouQ4zEm6YXB9913CZFYJvGutIjM7KNQv2xkLbBPDm34mk4B7oLjfvUZFxxN AsK0OXe9LbRJz0nZ1wxmK3BSabp4MqrwiCLG8wf7XXaK/0a9otEADZ9ppRXH4h2XXsfSQr xhafrmHg2glyekjcM3TY+O+U0ophAt9AOYhBWROZGkln2ekcNz5S9R7U9v2ZuA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1705690208; a=rsa-sha256; cv=none; b=ZTjns/XUSySkaSrBCtcpa56sQA7T8vf8mHsC9FivjBbEPQrxWnCkRbCMUGC/67TE5mGcWF SFiNmzeJAaeoRWCiH7g+0167/IMQvLw0LEVoKQJjwMF6c2EgqG8VTQHtMHPGVGa0SRY40c CsdWInPIsLRvndnt77dfIe+x8FnHQIG3LRgMp+ocS35KGt6l04RBQEgpQtBWtG9M+55tF/ 5vSMg4mVSQ6WoJRmSdfxEOIw17wlij5aJ/+qunCWJcwHnN2TTzwqW559JtoUy++r9FBIj7 Qbtj8tvDIqBOcg6ZdArHIkNal7pUpJqv+benDQVKhqTLu+29Oncq84dg8uRZlg== Received: by freefall.freebsd.org (Postfix, from userid 1354) id F3981F809; Fri, 19 Jan 2024 18:50:07 +0000 (UTC) From: Jan Beich To: Rozhuk Ivan Cc: FreeBSD Hackers , FreeBSD Mailing List Subject: Re: kcmp implementation for mesa In-Reply-To: <20240119131047.6975f574@rimwks.local> (Rozhuk Ivan's message of "Fri, 19 Jan 2024 13:10:47 +0200") References: <20240119131047.6975f574@rimwks.local> Date: Fri, 19 Jan 2024 19:50:04 +0100 Message-ID: <5xzp-noo3-wny@FreeBSD.org> List-Id: Porting software to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-ports List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-ports@freebsd.org X-BeenThere: freebsd-ports@freebsd.org MIME-Version: 1.0 Content-Type: text/plain Rozhuk Ivan writes: > Hi! > > > graphics/mesa-* uses SYS_kcmp [1] to compare two fds: > > int > os_same_file_description(int fd1, int fd2) > { > pid_t pid = getpid(); > > /* Same file descriptor trivially implies same file description */ > if (fd1 == fd2) > return 0; > > return syscall(SYS_kcmp, pid, pid, KCMP_FILE, fd1, fd2); > } > > FreeBSD does not implemet this and we got in terminal: > "amdgpu: os_same_file_description couldn't determine if two DRM fds reference the same file description." See https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6881 It's already applied in graphics/mesa-devel.