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base/allocator: Revert stack scanning refactor

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It is still only used by starscan, which is not used by us.

It causes hanging in pthread_getattr_np() under qemu-user, see
https://www.openwall.com/lists/musl/2017/06/15/9.

Introduced in https://chromium-review.googlesource.com/c/chromium/src/+/5371077
This commit is contained in:
klzgrad 2024-05-13 19:08:53 +08:00
parent 8b454ee8f7
commit 0edc025ec4
1 changed files with 1 additions and 1 deletions
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2
src/base/allocator/partition_alloc_support.cc
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@ -1245,10 +1245,10 @@ void PartitionAllocSupport::ReconfigureAfterFeatureListInit(
#endif // BUILDFLAG(USE_STARSCAN) #endif // BUILDFLAG(USE_STARSCAN)
#if BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC) #if BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC)
#if BUILDFLAG(USE_STARSCAN)
partition_alloc::internal::StackTopRegistry::Get().NotifyThreadCreated( partition_alloc::internal::StackTopRegistry::Get().NotifyThreadCreated(
partition_alloc::internal::GetStackTop()); partition_alloc::internal::GetStackTop());
#if BUILDFLAG(USE_STARSCAN)
// Non-quarantinable partition is dealing with hot V8's zone allocations. // Non-quarantinable partition is dealing with hot V8's zone allocations.
// In case PCScan is enabled in Renderer, enable thread cache on this // In case PCScan is enabled in Renderer, enable thread cache on this
// partition. At the same time, thread cache on the main(malloc) partition // partition. At the same time, thread cache on the main(malloc) partition