From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x232.google.com ([2607:f8b0:400e:c05::232]) by Galois.linutronix.de with esmtps (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1fLtYx-0003cu-Qq for speck@linutronix.de; Thu, 24 May 2018 18:58:04 +0200 Received: by mail-pg0-x232.google.com with SMTP id u7-v6so1058531pgp.3 for ; Thu, 24 May 2018 09:58:03 -0700 (PDT) Received: from i7.lan (c-73-11-52-149.hsd1.or.comcast.net. [73.11.52.149]) by smtp.gmail.com with ESMTPSA id g20-v6sm35200535pfi.163.2018.05.24.09.57.56 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 24 May 2018 09:57:56 -0700 (PDT) Sender: Linus Torvalds Date: Thu, 24 May 2018 09:57:54 -0700 (PDT) From: Linus Torvalds Subject: [MODERATED] Re: L1D-Fault KVM mitigation In-Reply-To: <1527180674.8186.162.camel@infradead.org> Message-ID: References: <20180424090630.wlghmrpasn7v7wbn@suse.de> <20180424093537.GC4064@hirez.programming.kicks-ass.net> <1524563292.8691.38.camel@infradead.org> <20180424110445.GU4043@hirez.programming.kicks-ass.net> <1527068745.8186.89.camel@infradead.org> <20180524094526.GE12198@hirez.programming.kicks-ass.net> <1527177599.8186.147.camel@infradead.org> <1527180674.8186.162.camel@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: speck@linutronix.de List-ID: On Thu, 24 May 2018, speck for David Woodhouse wrote: > > With decently designed hardware and SR-IOV passthrough for all I/O, and > posted interrupts...  If we had decently designed hardware, we wouldn't be having this discussion in the first place. Anyway, I'll wait for the numbers (and the patch - even good numbers with a hacky patch doesn't necessarily mean "worth upstreamning"). Linus