Re: [Xen-devel] [PATCH 1/1] xen/gntdev: kmalloc structure gntdev_copy_batch

2016-05-09 Thread David Vrabel
On 07/05/16 09:17, Heinrich Schuchardt wrote: > Commit a4cdb556cae0 ("xen/gntdev: add ioctl for grant copy") > leads to a warning > xen/gntdev.c: In function ‘gntdev_ioctl_grant_copy’: > xen/gntdev.c:949:1: warning: the frame size of 1248 bytes > is larger than 1024 bytes [-Wframe-larger-than=] >

Re: [Xen-devel] [PATCH 1/1] xen/gntdev: kmalloc structure gntdev_copy_batch

2016-05-08 Thread Jan Beulich
>>> Heinrich Schuchardt 05/08/16 8:13 AM >>> >--- a/drivers/xen/gntdev.c >+++ b/drivers/xen/gntdev.c >@@ -915,36 +915,43 @@ static int gntdev_grant_copy_seg(struct >gntdev_copy_batch *batch, >static long gntdev_ioctl_grant_copy(struct gntdev_priv *priv, void __user *u) >{ >struct ioctl_gntdev_gra

Re: [PATCH 1/1] xen/gntdev: kmalloc structure gntdev_copy_batch

2016-05-08 Thread Juergen Gross
On 07/05/16 10:17, Heinrich Schuchardt wrote: > Commit a4cdb556cae0 ("xen/gntdev: add ioctl for grant copy") > leads to a warning > xen/gntdev.c: In function ‘gntdev_ioctl_grant_copy’: > xen/gntdev.c:949:1: warning: the frame size of 1248 bytes > is larger than 1024 bytes [-Wframe-larger-than=] >

[PATCH 1/1] xen/gntdev: kmalloc structure gntdev_copy_batch

2016-05-07 Thread Heinrich Schuchardt
Commit a4cdb556cae0 ("xen/gntdev: add ioctl for grant copy") leads to a warning xen/gntdev.c: In function ‘gntdev_ioctl_grant_copy’: xen/gntdev.c:949:1: warning: the frame size of 1248 bytes is larger than 1024 bytes [-Wframe-larger-than=] This can be avoided by using kmalloc instead of the stack.