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ARM LL/SC exclusive access by register width or cache line width?

score 2842 · Answer 1 · 2012-05-30 08:14:33

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TechQA.

List Question

ARM LL/SC exclusive access by register width or cache line width?

How does x86 handle store conditional instructions?

How do ldrex / strex make atomic_add in ARM an atomic operation?

Lock-free C++11 example using Load-link/store-conditional to prevent ABA?

In risc-v architecture, how does store conditional instruction realize that the memory is modified?

What' s the advantage of LL/SC when compared with CAS (compare-and-swap)?

ARM Cortex-M4/7: Do regular memory accesses between LDREX/STREX invalidate the exclusive monitor

__sync_add_and_fetch triggers an sError interrupt on raspberry pi 4b

compare-and-swap atomic operation vs Load-link/store-conditional operation

What's 'reservation' in RISC-V's 'lr' instruction?

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