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| author | Stefan Agner <stefan.agner@toradex.com> | 2019-11-12 13:57:30 +0100 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2019-11-12 13:57:30 +0100 |
| commit | 401bf3f29b1aa6d9ca32bd3252fc9beabe93d80b (patch) | |
| tree | 6dd86325823a9b44b6e696acbd077e68c47d3108 /drivers/gpu/drm/ttm/ttm_bo_vm.c | |
| parent | 5a9c845fe261dec87f892f3fd3c2e32604d952c0 (diff) | |
| parent | b260a0862e3a9fccdac23ec3b783911b098c1c74 (diff) | |
Merge tag 'v5.3.10' into toradex_5.3.ytoradex_5.3.y
This is the 5.3.10 stable release
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_vm.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_vm.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 6dacff49c1cc..a77cd0344d22 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -278,15 +278,13 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf) else ret = vmf_insert_pfn(&cvma, address, pfn); - /* - * Somebody beat us to this PTE or prefaulting to - * an already populated PTE, or prefaulting error. - */ - - if (unlikely((ret == VM_FAULT_NOPAGE && i > 0))) - break; - else if (unlikely(ret & VM_FAULT_ERROR)) - goto out_io_unlock; + /* Never error on prefaulted PTEs */ + if (unlikely((ret & VM_FAULT_ERROR))) { + if (i == 0) + goto out_io_unlock; + else + break; + } address += PAGE_SIZE; if (unlikely(++page_offset >= page_last)) |