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...jlstra wrote: > On Tue, Jun 23, 2020 at 01:30:07PM +0200, Joerg Roedel wrote: > But you cannot do a recursion check in #VC, because the NMI can happen > on the first instruction of #VC, before we can increment our counter, > and then the #VC can happen on NMI because the IST stack is a goner, and > we're fscked again (or on a per-cpu variable we touch in our elaborate > NMI setup, etc..). No, the recursion check is fine, because overwriting an already used IST stack doesn't matter (as long as it can be detected) if we are going to panic anyway. It doesn't matter beca...

On Tue, Jun 23, 2020 at 01:07:06PM +0200, Peter Zijlstra wrote: > On Tue, Apr 28, 2020 at 09:55:12AM +0200, Joerg Roedel wrote: > So what happens if this #VC triggers on the first access to the #VC > stack, because the malicious host has craftily mucked with only the #VC > IST stack page? > > Or on the NMI IST stack, then we get #VC in NMI before the NMI can fix > you up.

...e #VC handler is needed which panics the VM. That > also fixes the #VC-in-early-NMI problem. But you cannot do a recursion check in #VC, because the NMI can happen on the first instruction of #VC, before we can increment our counter, and then the #VC can happen on NMI because the IST stack is a goner, and we're fscked again (or on a per-cpu variable we touch in our elaborate NMI setup, etc..). There is no way I can see SNP-#VC 'work'. The best I can come up with is 'mostly', but do you like your bridges/dikes/etc.. to be mostly ok? Or do you want a guarantee they'll act...

...n Tue, Jun 23, 2020 at 01:30:07PM +0200, Joerg Roedel wrote: > > > But you cannot do a recursion check in #VC, because the NMI can happen > > on the first instruction of #VC, before we can increment our counter, > > and then the #VC can happen on NMI because the IST stack is a goner, and > > we're fscked again (or on a per-cpu variable we touch in our elaborate > > NMI setup, etc..). > > No, the recursion check is fine, because overwriting an already used IST > stack doesn't matter (as long as it can be detected) if we are going to > panic anyw...

WHo know's the email adress of Author of Wine-Doors? i might have a solution and want to restore the Wine resporities, with downloads. I found wine-doors very handy, in combination of Wine itself and PlayOnLinux. I have 2 website's and 1 of them (my NickName) i'm trying to make a dutch Linux-helpout website of, for those who want to use Linux. Wine-Doors is very handy to install

I'm new to using rsync, so far it is working well. But I want to know what files rsync decided to transfer. Using the -v option lists every sub-folder of my directory and lots of files. Is there any way to get rsync to report only on the changes it made to the destination directory? I'd like to know: what files /directories were copied across what files/ directories were deleted

I''m sorry to posting this message in this list, but it''s the only way iI found. Who known a mailing list telling about the cisco''s router? -- ____________________________________________________________ PIII 500MHz - 96MB RAM - HD 8.2GB - Diamond Stealth III s540 USR Sportster 56K Int Voice - SoundBlaster AWE 64 -- CL 6 //LinuxMan by Friends - The power of a GNU

Hello, I installed 4.8-RELEASE a few weeks ago, and since I let the effort sit stagnant for a while I decided to do the cvsup/buildworld/buildkernel/installkernel/installworld/mergemaster/MAKEDEV steps to get current. Went fine, rebooted, then noticed that just one CPU was recognized: FreeBSD 4.8-STABLE #0: Thu Jun 19 17:05:20 PDT 2003

Recently I have been deeply troubled by evidence revealing the degree to which U.S. based corporations (well actually all resident in any of the so-called 5-eyes countries) appear to have rolled over and assumed the position with respect to NSA inspired pressure to cripple public key encryption and facilitate intrusions into their software products. This has engendered in me a significant degree

...ue nil }.clear } [:TERM, :INT].each { |sig| trap(sig) { exit!(0) } } # instant shutdown logger.info "worker=#{worker.nr} ready" m = 0 @@ -590,21 +582,12 @@ class Unicorn::HttpServer nr < 0 and reopen_worker_logs(worker.nr) nr = 0 - # we''re a goner in timeout seconds anyways if alive.chmod - # breaks, so don''t trap the exception. Using fchmod() since - # futimes() is not available in base Ruby and I very strongly - # prefer temporary files to be unlinked for security, - # performance and reliability reasons, so u...