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authorAshutosh Dixit <ashutosh.dixit@intel.com>2020-05-08 15:05:41 -0700
committerChris Wilson <chris@chris-wilson.co.uk>2020-05-09 09:24:57 +0100
commit9d0576c821f886fd053effd96cd3c441fee2ce53 (patch)
treef5e4d06378cf34902ec41ddc2b888d0358d39380 /tests/i915/gem_shrink.c
parentd1ce4abb01c70f7be6e777b6d45442663c4b830e (diff)
igt/gem_shrink: touch each page in pwrite_/pread_
pwrite_() and pread_() purport to read each page but weren't. v2: Keep subpage iteration (Chris) Reported-by: CQ Tang <cq.tang@intel.com> Fixes: 88bfe6ac41 ("igt/gem_shrink: Add pread/pwrite stress) Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'tests/i915/gem_shrink.c')
-rw-r--r--tests/i915/gem_shrink.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tests/i915/gem_shrink.c b/tests/i915/gem_shrink.c
index c9964ccc..10d63942 100644
--- a/tests/i915/gem_shrink.c
+++ b/tests/i915/gem_shrink.c
@@ -58,7 +58,7 @@ static void pwrite_(int fd, uint64_t alloc)
uint32_t tmp;
uint32_t handle = gem_create(fd, alloc);
for (int page = 0; page < alloc>>12; page++)
- gem_write(fd, handle, (page + page % 4095) & ~3, &tmp, 4);
+ gem_write(fd, handle, ((page << 12) + page % 4095) & ~3, &tmp, 4);
gem_madvise(fd, handle, I915_MADV_DONTNEED);
}
@@ -67,7 +67,7 @@ static void pread_(int fd, uint64_t alloc)
uint32_t tmp;
uint32_t handle = gem_create(fd, alloc);
for (int page = 0; page < alloc>>12; page++)
- gem_read(fd, handle, (page + page % 4095) & ~3, &tmp, 4);
+ gem_read(fd, handle, ((page << 12) + page % 4095) & ~3, &tmp, 4);
gem_madvise(fd, handle, I915_MADV_DONTNEED);
}