On 15/01/16 19:43, Boris Ostrovsky wrote: > struct gntdev_copy_batch is over 1300 bytes in size, we shouldn't > put it on stack. > > Some compilers (e.g. 5.2.1) complain: > drivers/xen/gntdev.c: In function ‘gntdev_ioctl_grant_copy.isra.5’: > drivers/xen/gntdev.c:949:1: warning: the frame size of 1416 bytes > is larger than 1024 bytes [-Wframe-larger-than=]
I thought I'd already reduced the size of this enough (from a batch size of 32 to 24) but this obviously isn't enough for 64-bit platforms. In the absence of any performance data on the best approach I would prefer just reducing the batch size to 16. David _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
