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15 lines
509 B
Diff
15 lines
509 B
Diff
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when this gets called the stack is likely not there; avoid the tlb flushes
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--- glibc-2.28/nptl/allocatestack.c~ 2018-08-01 05:10:47.000000000 +0000
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+++ glibc-2.28/nptl/allocatestack.c 2018-09-27 16:18:09.043648892 +0000
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@@ -385,6 +385,8 @@
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{
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uintptr_t sp = (uintptr_t) CURRENT_STACK_FRAME;
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size_t pagesize_m1 = __getpagesize () - 1;
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+
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+ return;
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#if _STACK_GROWS_DOWN && !defined(NEED_SEPARATE_REGISTER_STACK)
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size_t freesize = (sp - (uintptr_t) mem) & ~pagesize_m1;
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assert (freesize < size);
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