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ziggi
2021-03-09 15:37:23 +00:00
parent 831be4620d
commit d585eb8dc2
8 changed files with 279 additions and 0 deletions
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24
data/postgresql13/files/patch-disable-llvm-jit-inlining-with-tls Normal file
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@@ -0,0 +1,24 @@
Do not inline functions which access TLS in LLVM JIT, as
this leads to crashes with unsupported relocation error
diff --git src/backend/jit/llvm/llvmjit_inline.cpp src/backend/jit/llvm/llvmjit_inline.cpp
index 2617a46..a063edb 100644
--- src/backend/jit/llvm/llvmjit_inline.cpp
+++ src/backend/jit/llvm/llvmjit_inline.cpp
@@ -608,6 +608,16 @@ function_inlinable(llvm::Function &F,
if (rv->materialize())
elog(FATAL, "failed to materialize metadata");
+ /*
+ * Don't inline functions with thread-local variables until
+ * related crashes are investigated (see BUG #16696)
+ */
+ if (rv->isThreadLocal()) {
+ ilog(DEBUG1, "cannot inline %s due to thread-local variable %s",
+ F.getName().data(), rv->getName().data());
+ return false;
+ }
+
/*
* Never want to inline externally visible vars, cheap enough to
* reference.