From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from akado.ru (fe02x03-cgp.akado.ru [77.232.31.165]) by ozlabs.org (Postfix) with ESMTP id E00FB2C0089 for ; Sat, 22 Sep 2012 20:12:57 +1000 (EST) Date: Sat, 22 Sep 2012 14:12:42 +0400 (MSK) From: malc To: Segher Boessenkool Subject: Re: Probing for native availability of isel from userspace In-Reply-To: <50EE7AAC-3080-4B1B-B741-E3F7F5A57A73@kernel.crashing.org> Message-ID: References: <50EE7AAC-3080-4B1B-B741-E3F7F5A57A73@kernel.crashing.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: linuxppc-dev@lists.ozlabs.org, hollis@penguinppc.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, 22 Sep 2012, Segher Boessenkool wrote: > > Is it possible to determine if _native_ isel is available from userspace > > somehow? > > Just try to execute one and catch the SIGILL? > Unfortunately my kernel emulates ISEL for me in this case, so i don't get any SIGILLs. -- mailto:av1474@comtv.ru