Re: [PULL 132/136] mem-prealloc: optimize large guest startup

2020-03-16 Thread Paolo Bonzini
On 16/03/20 09:42, Laurent Vivier wrote: > Hi, > > a bug has been reported in launchpad for this patch: > > [Regression]Powerpc kvm guest unable to start with hugepage backed > memory > https://bugs.launchpad.net/qemu/+bug/1866962 Indeed, I'm sending the pull request with the fix

Re: [PULL 132/136] mem-prealloc: optimize large guest startup

2020-03-16 Thread Laurent Vivier
Hi, a bug has been reported in launchpad for this patch: [Regression]Powerpc kvm guest unable to start with hugepage backed memory https://bugs.launchpad.net/qemu/+bug/1866962 Thanks, Laurent Le 25/02/2020 à 13:07, Paolo Bonzini a écrit : > From: bauerchen > > [desc]: > Large

[PULL 132/136] mem-prealloc: optimize large guest startup

2020-02-25 Thread Paolo Bonzini
From: bauerchen [desc]: Large memory VM starts slowly when using -mem-prealloc, and there are some areas to optimize in current method; 1、mmap will be used to alloc threads stack during create page clearing threads, and it will attempt mm->mmap_sem for write lock, but