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drm/amdkfd: simplify svm_range_unmap_from_gpus()

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The function calls bitmap_or() followed by for_each_set_bit().
Switch it to the dedicated for_each_or_bit() and drop the temporary
bitmap.

Signed-off-by: Yury Norov <ynorov@nvidia.com>
Signed-off-by: Felix Kuehling <felix.kuehling@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yury Norov 2026-01-14 11:05:10 -05:00 committed by Alex Deucher
parent 532e2c87d4
commit afaf425071
1 changed files with 1 additions and 4 deletions
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5
drivers/gpu/drm/amd/amdkfd/kfd_svm.c
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@ -1372,7 +1372,6 @@ static int
svm_range_unmap_from_gpus(struct svm_range *prange, unsigned long start,
unsigned long last, uint32_t trigger)
{
DECLARE_BITMAP(bitmap, MAX_GPU_INSTANCE);
struct kfd_process_device *pdd;
struct dma_fence *fence = NULL;
struct kfd_process *p;
@ -1390,11 +1389,9 @@ svm_range_unmap_from_gpus(struct svm_range *prange, unsigned long start,
prange->mapped_to_gpu = false;
}
bitmap_or(bitmap, prange->bitmap_access, prange->bitmap_aip,
MAX_GPU_INSTANCE);
p = container_of(prange->svms, struct kfd_process, svms);
for_each_set_bit(gpuidx, bitmap, MAX_GPU_INSTANCE) {
for_each_or_bit(gpuidx, prange->bitmap_access, prange->bitmap_aip, MAX_GPU_INSTANCE) {
pr_debug("unmap from gpu idx 0x%x\n", gpuidx);
pdd = kfd_process_device_from_gpuidx(p, gpuidx);
if (!pdd) {