Re: [PATCH 00/21] linux-user: Move signal trampolines to new page

2021-06-16 Thread Richard Henderson
On 6/16/21 8:05 AM, Alex Bennée wrote: However qemu-hppa (on x86_64 host) still has the stuborn 1% failure rate... Have a squizzle at patch 8. I wasn't able to do anything with hppa yet. r~

Re: [PATCH 00/21] linux-user: Move signal trampolines to new page

2021-06-16 Thread Alex Bennée
Richard Henderson writes: > It is my guess that the majority of the flakiness with the > linux-user signals.c test is due to a race condition between > translation and page writes. I vaguely recall a bug report > about this, but I cannot find it now. > > Since the vast majority of "self-modifyin

[PATCH 00/21] linux-user: Move signal trampolines to new page

2021-06-15 Thread Richard Henderson
It is my guess that the majority of the flakiness with the linux-user signals.c test is due to a race condition between translation and page writes. I vaguely recall a bug report about this, but I cannot find it now. Since the vast majority of "self-modifying code" is due to signal delivery, work