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4ea3c64252
Pull powerpc fixes from Michael Ellerman: - Fix KVM "lost kick" race, where an attempt to pull a vcpu out of the guest could be lost (or delayed until the next guest exit). - Disable SCV (system call vectored) when PR KVM guests could be run. - Fix KVM PR guests using SCV, by disallowing AIL != 0 for KVM PR guests. - Add a new KVM CAP to indicate if AIL == 3 is supported. - Fix a regression when hotplugging a CPU to a memoryless/cpuless node. - Make virt_addr_valid() stricter for 64-bit Book3E & 32-bit, which fixes crashes seen due to hardened usercopy. - Revert a change to max_mapnr which broke HIGHMEM. Thanks to Christophe Leroy, Fabiano Rosas, Kefeng Wang, Nicholas Piggin, and Srikar Dronamraju. * tag 'powerpc-5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: Revert "powerpc: Set max_mapnr correctly" powerpc: Fix virt_addr_valid() for 64-bit Book3E & 32-bit KVM: PPC: Move kvmhv_on_pseries() into kvm_ppc.h powerpc/numa: Handle partially initialized numa nodes powerpc/64: Fix build failure with allyesconfig in book3s_64_entry.S KVM: PPC: Use KVM_CAP_PPC_AIL_MODE_3 KVM: PPC: Book3S PR: Disallow AIL != 0 KVM: PPC: Book3S PR: Disable SCV when AIL could be disabled KVM: PPC: Book3S HV P9: Fix "lost kick" race
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.