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xen-devel
[Xen-devel] Re: [Qemu-devel] [PATCH] xen: net backend doesn't need linux
On 06/07/09 08:56, Blue Swirl wrote:
- tmpbuf = malloc(PAGE_SIZE);
+ tmpbuf = malloc(XC_PAGE_SIZE);
It also looks like there is no real need for using host or target page
size, so we could use for example MIN(4096, txreq.size).
No. XC_PAGE_SIZE is the max buffer size. As the buffer allocated here
could be resused for multiple packets you'll have to use that, otherwise
you'll overflow the buffer in case the second packet is larger than the
first one.
If then goes on to compile Xen stuff into sparc-softmmu and fails:
Hmm, it shouldn't try that in the first place. Guess this is the result
of this commit:
http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=2567f5796c38238d6f2055f074e347a0338140ce
xc_gnttab_open
collect2: ld returned 1 exit status
Same errors when linking i386-softmmu.
For i386-softmmu it should work.
configure should probe for xc_gnttab symbols and disable Xen if these
are not found.
Strange. configure checks for xc_interface_open. Both
xc_interface_open and xc_gnttab_open are in the same shared library. So
it should work in theory, dunno what the problem here is.
Hmm, the linker complains about xc_gnttab_* only, not about the other
xc_* functions missing. Maybe solaris simply has no support for them?
cheers,
Gerd
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