Re: kvm ptrace 32bit DoS bug - bisected

2009-09-05 Thread Marcelo Tosatti
On Sat, Sep 05, 2009 at 08:41:26PM +0700, Antoine Martin wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > Hi, > > I reported this bug a while ago but no-one picked up on it. > Just launch any UML 32-bit kernel on a 64-bit KVM guest: > > test $ ./kernel32-2.6.16.62 > Checking that p

kvm ptrace 32bit DoS bug - bisected

2009-09-05 Thread Antoine Martin
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Hi, I reported this bug a while ago but no-one picked up on it. Just launch any UML 32-bit kernel on a 64-bit KVM guest: test $ ./kernel32-2.6.16.62 Checking that ptrace can change system call numbers...OK Checking syscall emulation patch for ptrac

Re: [PATCH] KVM: Use thread debug register storage instead of kvm specific data

2009-09-05 Thread Vadim Rozenfeld
On 09/04/2009 08:04 PM, Brian Jackson wrote: On Friday 04 September 2009 11:08:51 am Andrew Theurer wrote: Brian Jackson wrote: On Friday 04 September 2009 09:48:17 am Andrew Theurer wrote: Still not idle=poll, it may shave off 0.2%. Won't this affect SMT in a