[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] Should we introduce a TranslationRegion with its own co
Re: [Qemu-devel] Should we introduce a TranslationRegion with its own codegen buffer?
Mon, 04 Apr 2016 13:01:02 +0100
mu4e 0.9.17; emacs 22.214.171.124
Paolo Bonzini <address@hidden> writes:
> On 04/04/2016 13:24, Alex Bennée wrote:
>> FWIW I've dropped the patch that moves tb_find_fast out of tb_lock in
>> the upcoming base-patches-v2 series because it:
>> - weirdly breaks the pxe tests
> I'm happy to take a look.
Be my guest:
It breaks on i386 and x86_64 softmmu targets with make check. I also got
a command line failing with a dump of the pxe bootfile and handbuilt seabios:
./x86_64-softmmu/qemu-system-x86_64 -display vnc=:0 -machine accel=tcg
-netdev user,id=net0,tftp=./,bootfile=tests/pxe-test-disk.raw -device
stdio,id=seabios -device isa-debugcon,iobase=0x402,chardev=seabios -bios
>> - is pretty ugly anyway
> What exactly makes it ugly?
Subjective I guess but the use of tb_lock_recursive() and
tb_lock_reset() seem not as clean as they could be. Is this stuff Fred
>> This is obviously going to have an impact on performance which bought me
>> back to should we be thinking more holistically about how to approach
>> this problem.