On Fri, Aug 12, 2016 at 09:21:11PM +0200, Samuel Thibault wrote: > Richard Braun, on Fri 12 Aug 2016 21:16:02 +0200, wrote: > > On Fri, Aug 12, 2016 at 07:57:48PM +0200, Samuel Thibault wrote: > > > It becomes more and more clear that we shouldn't steal functions from > > > glibc into gnumach, it poses cross-building issues from Linux. > > > > > > Could somebody contribute, or steal from a BSD the following functions, > > > to be included in gnumach/kern/strings.c? > > > > > > - memcmp > > > - memcpy > > > - memmove > > > - strchr > > > - strsep > > > - strstr > > > > Note that it's not that "simple" since we'd like implementations that > > aren't naive, i.e. assembly with rep instructions. In particular, it > > makes a huge difference in virtualized guests compared to C-based ones > > because of vmenter/vmexit. > > > > When such functions are used on device mapped memory. > > I guess perhaps even only memcpy is used on device mapped memory?
That's likely. I can take care of this when I have time. -- Richard Braun
