Revert "libhsakmt: query svm info from userptrs at fault events"

This reverts commit 45fad29752.
There are some openMP issues that were introduced after SVM userptr
feature was added.

Signed-off-by: Alex Sierra <Alex.Sierra@amd.com>
Change-Id: I6566c9f0d39d05ecb92f38159880763f432939a5

tests/kfdtest/src/KFDExceptionTest.cpp

@@ -27,7 +27,6 @@
 #include "SDMAPacket.hpp"
 #include "SDMAQueue.hpp"
 #include "Dispatch.hpp"
-#include <sys/mman.h>
 
 void KFDExceptionTest::SetUp() {
     ROUTINE_START
@@ -254,53 +253,6 @@ TEST_F(KFDExceptionTest, PermissionFault) {
     TEST_END
 }
 
-/* Allocate Read Only user pointer buffer. Test Memory Exception failure by
- * attempting to write to that buffer in the child process.
- */
-TEST_F(KFDExceptionTest, PermissionFaultUserPointer) {
-    TEST_REQUIRE_ENV_CAPABILITIES(ENVCAPS_64BITLINUX);
-    TEST_START(TESTPROFILE_RUNALL)
-
-    int defaultGPUNode = m_NodeInfo.HsaDefaultGPUNode();
-    ASSERT_GE(defaultGPUNode, 0) << "failed to get default GPU Node";
-
-    if (m_FamilyId == FAMILY_RV) {
-        LOG() << "Skipping test: IOMMU issues on Raven." << std::endl;
-        return;
-    }
-
-    m_ChildPid = fork();
-    if (m_ChildPid == 0) {
-        KFDBaseComponentTest::TearDown();
-        KFDBaseComponentTest::SetUp();
-
-	void *pBuf = mmap(NULL, PAGE_SIZE, PROT_READ,
-			  MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-	ASSERT_NE(pBuf, MAP_FAILED);
-	EXPECT_SUCCESS(hsaKmtRegisterMemory(pBuf, PAGE_SIZE));
-	EXPECT_SUCCESS(hsaKmtMapMemoryToGPU(pBuf, PAGE_SIZE, NULL));
-        HsaMemoryBuffer srcSysBuffer(PAGE_SIZE, defaultGPUNode, false);
-
-        srcSysBuffer.Fill(0xAA55AA55);
-
-        TestMemoryException(defaultGPUNode, srcSysBuffer.As<HSAuint64>(),
-                            (HSAuint64)pBuf);
-    } else {
-        int childStatus;
-
-        waitpid(m_ChildPid, &childStatus, 0);
-        if (is_dgpu()) {
-            EXPECT_EQ(WIFEXITED(childStatus), true);
-            EXPECT_EQ(WEXITSTATUS(childStatus), HSAKMT_STATUS_SUCCESS);
-        } else {
-            EXPECT_EQ(WIFSIGNALED(childStatus), true);
-            EXPECT_EQ(WTERMSIG(childStatus), SIGSEGV);
-        }
-    }
-
-    TEST_END
-}
-
 /* Test VM fault storm handling by copying to/from invalid pointers
  * with lots of work items at the same time
  */