Kyle Roarty has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/48020 )
Change subject: gpu-compute: Fix off-by-one when creating an AddrRange
......................................................................
gpu-compute: Fix off-by-one when creating an AddrRange
The end value of an AddrRange is already not included in the range,
so subtracting one from the end creates an off-by-one error.
This patch removes the extra -1 that was used when determining the
end of an AddrRange in allocateGpuVma
Change-Id: I75659e9a7fabd991bb37be9aa40f8e409eb21154
---
M src/gpu-compute/gpu_compute_driver.cc
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gpu-compute/gpu_compute_driver.cc
b/src/gpu-compute/gpu_compute_driver.cc
index 92ac641..f794b43 100644
--- a/src/gpu-compute/gpu_compute_driver.cc
+++ b/src/gpu-compute/gpu_compute_driver.cc
@@ -985,7 +985,7 @@
GPUComputeDriver::allocateGpuVma(Request::CacheCoherenceFlags mtype,
Addr start, Addr length)
{
- AddrRange range = AddrRange(start, start + length - 1);
+ AddrRange range = AddrRange(start, start + length);
DPRINTF(GPUDriver, "Registering [%p - %p] with MTYPE %d\n",
range.start(), range.end(), mtype);
fatal_if(gpuVmas.insert(range, mtype) == gpuVmas.end(),
--
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Gerrit-Project: public/gem5
Gerrit-Branch: release-staging-v21-1
Gerrit-Change-Id: I75659e9a7fabd991bb37be9aa40f8e409eb21154
Gerrit-Change-Number: 48020
Gerrit-PatchSet: 1
Gerrit-Owner: Kyle Roarty <kyleroarty1...@gmail.com>
Gerrit-MessageType: newchange
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