Re: [PATCH] Reset FPU state after saving it and upon context switch

2019-01-23 Thread Nadav Har'El
On Wed, Dec 19, 2018 at 2:26 PM Waldemar Kozaczuk wrote: > This patch adds "emms" instruction in critical places > Thank you so much for working on this, and sorry for having delayed my review for SO long. I'm basically happy with this patch except one thing that nags me - I don't understand why

Re: [PATCH] Reset FPU state after saving it and upon context switch

2019-01-23 Thread Nadav Har'El
On Thu, Jan 24, 2019 at 12:10 AM Nadav Har'El wrote: > On Wed, Dec 19, 2018 at 2:26 PM Waldemar Kozaczuk > wrote: > >> This patch adds "emms" instruction in critical places >> > > Thank you so much for working on this, and sorry for having delayed my > review for SO long. > I'm basically happy w

Hitting the assert in lockfree::mutex::unlock()

2019-01-23 Thread Rick Payne
Anyone seen a crash like this? [backtrace] 0x0022926a <__assert_fail+26> 0x003d3884 0x0041e889 0x003e7aeb 0x003e8086 <__syscall+1254> The particular assert is this one: while(true) { wait_record *other = waitqueue.pop(); if (other)