Re: [PATCH v4 3/4] locking/qspinlock: Add ARCH_USE_QUEUED_SPINLOCKS_XCHG32

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Mar 29, 2021 at 01:16:53PM +0200, Peter Zijlstra wrote:
> Anyway, an additional 'funny' is that I suspect you cannot prove fwd
> progress of the entire primitive with any of this on. But who cares
> about details anyway.. :/

What's the architectural guarantee on LL/SC progress for RISC-V ? And
what if you double loop it like cmpxchg() ?



[Index of Archives]     [Linux Kernel]     [Kernel Newbies]     [x86 Platform Driver]     [Netdev]     [Linux Wireless]     [Netfilter]     [Bugtraq]     [Linux Filesystems]     [Yosemite Discussion]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]

  Powered by Linux