Quoting Tvrtko Ursulin (2019-02-28 14:18:25)
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
>
> mmap(2) mandates size is page aligned.
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---
> benchmarks/gem_wsim.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c
> index 0a5abc08d8c2..57ceb983cf82 100644
> --- a/benchmarks/gem_wsim.c
> +++ b/benchmarks/gem_wsim.c
> @@ -737,6 +737,7 @@ init_bb(struct w_step *w, unsigned int flags)
> {
> const unsigned int arb_period =
> get_bb_sz(w->preempt_us) / sizeof(uint32_t);
> + const unsigned int mmap_len = ALIGN(w->bb_sz, 4096);
> unsigned int i;
> uint32_t *ptr;
You only need to do it for
ww->bb_sz = ALIGN(get_bb_sz(), 4096);
All batch lengths are start = ww->bb_sz - get_bb_sz() and so remain
correct. Right?
-Chris
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
