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nvservices: unmap only on last container free

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This commit is contained in:
Liam 2024-01-28 21:58:18 -05:00
parent 0cbb555e9a
commit 06fd7f2012
3 changed files with 13 additions and 3 deletions
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7
src/core/hle/service/nvdrv/core/container.cpp
View file

@ -49,6 +49,7 @@ SessionId Container::OpenSession(Kernel::KProcess* process) {
continue;
}
if (session.process == process) {
session.ref_count++;
return session.id;
}
}
@ -66,6 +67,7 @@ SessionId Container::OpenSession(Kernel::KProcess* process) {
}
auto& session = impl->sessions[new_id];
session.is_active = true;
session.ref_count = 1;
// Optimization
if (process->IsApplication()) {
auto& page_table = process->GetPageTable().GetBasePageTable();
@ -114,8 +116,11 @@ SessionId Container::OpenSession(Kernel::KProcess* process) {
void Container::CloseSession(SessionId session_id) {
std::scoped_lock lk(impl->session_guard);
impl->file.UnmapAllHandles(session_id);
auto& session = impl->sessions[session_id.id];
if (--session.ref_count > 0) {
return;
}
impl->file.UnmapAllHandles(session_id);
auto& smmu = impl->host1x.MemoryManager();
if (session.has_preallocated_area) {
const DAddr region_start = session.mapper->GetRegionStart();

1
src/core/hle/service/nvdrv/core/container.h
View file

@ -46,6 +46,7 @@ struct Session {
bool has_preallocated_area{};
std::unique_ptr<HeapMapper> mapper{};
bool is_active{};
s32 ref_count{};
};
class Container {

8
src/core/hle/service/nvdrv/core/nvmap.cpp
View file

@ -333,9 +333,13 @@ void NvMap::UnmapAllHandles(NvCore::SessionId session_id) {
}();
for (auto& [id, handle] : handles_copy) {
if (handle->session_id.id == session_id.id) {
FreeHandle(id, false);
{
std::scoped_lock lk{handle->mutex};
if (handle->session_id.id != session_id.id || handle->dupes <= 0) {
continue;
}
}
FreeHandle(id, false);
}
}