Actually it could use KVM instead of CPU emulation on nearly all modern processors...
On May 7, 2014 11:43:59 PM PDT, Sven Joachim <svenj...@gmx.de> wrote: >On 2014-05-07 19:09 +0200, H. Peter Anvin wrote: > >> On 05/07/2014 09:57 AM, Linus Torvalds wrote: >>> >>> Afaik, 16-bit programs under wine already need >>> >>> echo 0 > /proc/sys/vm/mmap_min_addr >>> >>> because they want to map things at address 0, so this isn't a new >concept. >>> >> >> I think that applies to DOSEMU, but not to Wine. > >DOSEMU does no longer need it either. If vm.mmap_min_addr is > 0, it >turns on CPU emulation, which it has to use anyway due to lack of vm86 >mode. > >> Sven: if you have the ability to build your own kernel, could you >also >> try the "x86/espfix" branch of the git tree: >> >> https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/ >> >> (clone URLs:) >> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git >> https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git >> >> ... to make sure the proper solution works for you? > >Works fine here, thanks. > >> I'm somewhat curious if this program you have is actually a 32-bit >> program or if it is really a 16-bit program wrapped in a 32-bit >> installer of some kind. Hard to know without seeing the program in >> question. > >The main application (a chess database program) is 32-bit, but it comes >with several 16-bit analysis engines that are loaded on startup (I see >them in lsof output), so that's the situation described by Alexandre. > >Cheers, > Sven -- Sent from my mobile phone. Please pardon brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
