ChanServ changed the topic of #armlinux to: ARM kernel talk [Upstream kernel, find your vendor forums for questions about their kernels] | https://libera.irclog.whitequark.org/armlinux
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<HdkR>
I see there was some patches for a VDSO getcpu implementation. But has died? I guess this is from tpidrro_el0 bugs in hardware?
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<broonie>
HdkR: The suggestion is to use rseq instead, it exposes the cpu number along with other stuff.
<broonie>
Also Vincenzo was working on some infrastructure that would've moved a lot more stuff into a generic implementation but I've no idea if he finished that off.
<HdkR>
I see
<broonie>
Never saw any problems with the register.
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<HdkR>
How does the rseq path work for a classic application that is coded to abuse getcpu?