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Code Issues Releases Activity

kern: remove unnecessary interrupt disables from arbiter/condvar

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This commit is contained in:
Michael Scire 2023-02-21 10:58:02 -07:00
parent 819f7edc70
commit 4f6ecf138b
2 changed files with 8 additions and 3 deletions
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8
libraries/libmesosphere/source/kern_k_address_arbiter.cpp
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@ -24,7 +24,9 @@ namespace ams::kern {
} }
ALWAYS_INLINE bool DecrementIfLessThan(s32 *out, KProcessAddress address, s32 value) { ALWAYS_INLINE bool DecrementIfLessThan(s32 *out, KProcessAddress address, s32 value) {
KScopedInterruptDisable di; /* NOTE: If scheduler lock is not held here, interrupt disable is required. */
/* KScopedInterruptDisable di; */
MESOSPHERE_ASSERT(KScheduler::IsSchedulerLockedByCurrentThread());
if (!cpu::CanAccessAtomic(address)) { if (!cpu::CanAccessAtomic(address)) {
return false; return false;
@ -34,7 +36,9 @@ namespace ams::kern {
} }
ALWAYS_INLINE bool UpdateIfEqual(s32 *out, KProcessAddress address, s32 value, s32 new_value) { ALWAYS_INLINE bool UpdateIfEqual(s32 *out, KProcessAddress address, s32 value, s32 new_value) {
KScopedInterruptDisable di; /* NOTE: If scheduler lock is not held here, interrupt disable is required. */
/* KScopedInterruptDisable di; */
MESOSPHERE_ASSERT(KScheduler::IsSchedulerLockedByCurrentThread());
if (!cpu::CanAccessAtomic(address)) { if (!cpu::CanAccessAtomic(address)) {
return false; return false;

3
libraries/libmesosphere/source/kern_k_condition_variable.cpp
View file

@ -158,7 +158,8 @@ namespace ams::kern {
u32 prev_tag; u32 prev_tag;
bool can_access; bool can_access;
{ {
KScopedInterruptDisable di; /* NOTE: If scheduler lock is not held here, interrupt disable is required. */
/* KScopedInterruptDisable di; */
can_access = cpu::CanAccessAtomic(address); can_access = cpu::CanAccessAtomic(address);
if (AMS_LIKELY(can_access)) { if (AMS_LIKELY(can_access)) {