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Stop all other ractors when patching machine code

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This commit is contained in:
Alan Wu 2021-03-31 12:50:16 -04:00
parent 784ef4cbbd
commit 9911f486a7
1 changed files with 5 additions and 1 deletions
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6
yjit_core.c
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@ -353,7 +353,8 @@ branch_stub_hit(uint32_t branch_idx, uint32_t target_idx, rb_execution_context_t
uint8_t* dst_addr; uint8_t* dst_addr;
RB_VM_LOCK_ENTER(); RB_VM_LOCK_ENTER();
rb_vm_barrier(); // Stop other ractors since we are going to patch machine code.
// It's how the GC does it.
RUBY_ASSERT(branch_idx < num_branches); RUBY_ASSERT(branch_idx < num_branches);
RUBY_ASSERT(target_idx < 2); RUBY_ASSERT(target_idx < 2);
@ -693,6 +694,9 @@ block_array_remove(rb_yjit_block_array_t block_array, block_t *block)
void void
invalidate_block_version(block_t* block) invalidate_block_version(block_t* block)
{ {
ASSERT_vm_locking();
rb_vm_barrier(); // Stop other ractors since we are going to patch machine code.
const rb_iseq_t *iseq = block->blockid.iseq; const rb_iseq_t *iseq = block->blockid.iseq;
// fprintf(stderr, "invalidating block (%p, %d)\n", block->blockid.iseq, block->blockid.idx); // fprintf(stderr, "invalidating block (%p, %d)\n", block->blockid.iseq, block->blockid.idx);