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userfaultfd: use 1ULL to build ioctl masks

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There is no need to use the Linux-internal __u64 type, 1ULL is
guaranteed to be wide enough.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20240117160313.175609-1-pbonzini@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Paolo Bonzini
2024-01-17 17:03:13 +01:00
committed by Peter Xu
parent 7a1dc45af5
commit 73b4987858
3 changed files with 10 additions and 12 deletions
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subprojects/libvhost-user/libvhost-user.c
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@@ -684,7 +684,7 @@ generate_faults(VuDev *dev) {
dev->postcopy_ufd, strerror(errno));
return false;
}
if (!(reg_struct.ioctls & ((__u64)1 << _UFFDIO_COPY))) {
if (!(reg_struct.ioctls & (1ULL << _UFFDIO_COPY))) {
vu_panic(dev, "%s Region (%d) doesn't support COPY",
__func__, i);
return false;