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Parallelizing SRCU callback handling will increase the size of srcu_struct, which will move the kvm structure's kvm_arch field out of reach of powerpc's current assembly code, which will result in the following sort of build error: arch/powerpc/kvm/book3s_hv_rmhandlers.S:617: Error: operand out of range (0x000000000000b328 is not between 0xffffffffffff8000 and 0x0000000000007fff) This commit moves the srcu_struct fields in the kvm structure to follow the kvm_arch field, which will allow powerpc's assembly code to continue to be able to reach the kvm_arch field. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: Michael Ellerman <michaele@au1.ibm.com> Reported-by: kbuild test robot <fengguang.wu@intel.com> Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Tested-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: Paolo Bonzini <pbonzini@redhat.com> [ paulmck: Moved this commit to precede SRCU callback parallelization, and reworded the commit log into future tense, all in the name of bisectability. ]
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.