On 9/1/23 7:59 AM, Bruce Richardson wrote:
+PPC maintainer On Thu, Aug 31, 2023 at 01:10:56PM +0100, Bruce Richardson wrote:When building on Ubuntu using the packaged powerpc compiler[1], a warning is issued about the print format of the __u64 values. ../../lib/vhost/vduse.c: In function ‘vduse_vring_setup’: ../../lib/vhost/vhost.h:676:17: error: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 5 has type ‘__u64’ {aka ‘long unsigned int’} [-Werror=format=] 676 | "VHOST_CONFIG: (%s) " fmt, prefix, ##args) | ^~~~~~~~~~~~~~~~~~~~~ Changing the format specifier to %lx, or to use PRIx64 breaks other builds, so the safest solution is to explicitly typecast the printed values to match the format string. [1] powerpc64le-linux-gnu-gcc (Ubuntu 12.3.0-1ubuntu1~23.04) 12.3.0 Fixes: a9120db8b98b ("vhost: add VDUSE device startup") Cc: [email protected] Cc: [email protected] Signed-off-by: Bruce Richardson <[email protected]> ---
Tested-by: David Christensen <[email protected]>
