![]() ![]() Git:///pub/scm/linux/kernel/git/tip/tip x86/apic The early versions of parallel bringup already. Much of that had been pointed out 2 years ago in the discussions about Mostly in the core code and not made an architecture specific tinker Mechanisms and without generalizing it so that the control logic is The existing code without a deeper analysis of the synchronization ![]() Synchronization between the core siblings.Ģ) The general design issues discussed in previous parallel bringup patches just glued this mechanism into Synchronization point w/o doing any further x86 specific This ensures that the APs can load microcode before reaching the alive ![]() Loading microcode on the siblings is a NOOP on IntelĪnd on AMD it is guaranteed to only modify thread local state. The solution for this is to bringup the primary threads first and after Assume the followingĬPU1.1 makes a decision on $A and $B which might be inconsistent due Vendor independent software correctness issue. This is required by hardware/firmware on Intel. Quiescent state either looping in a place which is aware of potentialĬhanges by the microcode update (see late loading) or in fully quiescent This is a complete rework of the parallel bringup patch series address the issues which were discovered in review:ġ) The X86 microcode loader serialization loading on HT enabled X86 CPUs requires that the microcode is Palmer Dabbelt, linux-riscv, Mark Rutland, Sabin Rapan Bottomley, Helge Deller, linux-parisc, Paul Walmsley, Guo Ren, linux-csky, Thomas Bogendoerfer, linux-mips, Juergen Gross, Boris Ostrovsky, xen-devel, Russell King,Īrnd Bergmann, linux-arm-kernel, Catalin Marinas, Will Deacon, Piccoli, Piotr Gorski, David Woodhouse, Usama Arif, Sean Christopherson, Oleksandr Natalenko, Paul Menzel, ` (40 more replies) 0 siblings, 41 replies 78+ messages in threadįrom: Thomas Gleixner 23:44 UTC ( / raw)Ĭc: x86, David Woodhouse, Andrew Cooper, Brian Gerst,Īrjan van de Veen, Paolo Bonzini, Paul McKenney, Tom Lendacky, 23:44 ` x86/smpboot: Cleanup topology_phys_to_logical_pkg()/die() Thomas Gleixner ![]() Cpu/hotplug, x86: Reworked parallel CPU bringup archive mirror help / color / mirror / Atom feed * cpu/hotplug, x86: Reworked parallel CPU bringup 23:44 Thomas Gleixner ![]()
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