Re: [PATCH 0/3] console: make QMP screendump use coroutine

2020-10-27 Thread Markus Armbruster
marcandre.lur...@redhat.com writes: > From: Marc-André Lureau > > Hi, > > Thanks to recent work by Kevin, it becomes possible to run HMP/QMP commands i= > n a > coroutine. The screendump command is a good target, as it requires to re-enter > the main-loop in ordre to flush the display, and write

Re: [PATCH 0/3] console: make QMP screendump use coroutine

2020-10-13 Thread Gerd Hoffmann
Hi, > Despite the flush, the dump may still have glitches. The graphic > device may perform some operations during the write on the same > framebuffer. That problem exists anyway, even without coroutines. The guest can write to vga memory in parallel to iothread writing out the screen dump. >

[PATCH 0/3] console: make QMP screendump use coroutine

2020-10-10 Thread marcandre . lureau
From: Marc-André Lureau Hi, Thanks to recent work by Kevin, it becomes possible to run HMP/QMP commands i= n a coroutine. The screendump command is a good target, as it requires to re-enter the main-loop in ordre to flush the display, and write to file in a non-block= ing way. Despite the flush