diff options
Diffstat (limited to 'arch/xtensa/kernel/entry.S')
| -rw-r--r-- | arch/xtensa/kernel/entry.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 98515c24d9b2..703cf6205efe 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -374,6 +374,11 @@ common_exception: s32i a2, a1, PT_LCOUNT #endif +#if XCHAL_HAVE_EXCLUSIVE + /* Clear exclusive access monitor set by interrupted code */ + clrex +#endif + /* It is now save to restore the EXC_TABLE_FIXUP variable. */ rsr a2, exccause @@ -2020,6 +2025,12 @@ ENTRY(_switch_to) s32i a3, a4, THREAD_CPENABLE #endif +#if XCHAL_HAVE_EXCLUSIVE + l32i a3, a5, THREAD_ATOMCTL8 + getex a3 + s32i a3, a4, THREAD_ATOMCTL8 +#endif + /* Flush register file. */ spill_registers_kernel |