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(parent: 1972bb9) | patch
kaiser: enhanced by kernel and user PCIDs
authorHugh Dickins <hughd@google.com>
Wed, 30 Aug 2017 23:23:00 +0000 (16:23 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 5 Jan 2018 14:46:34 +0000 (15:46 +0100)
commit2684b12a169ee244ffc05d34234b0a3dec238c40
tree2f04f4d46c0d4aa01bf407a88164098d065a9625tree | snapshot
parent1972bb9d92066fcf7deb0d798e02c88caa45e035commit | diff
kaiser: enhanced by kernel and user PCIDs

Merged performance improvements to Kaiser, using distinct kernel
and user Process Context Identifiers to minimize the TLB flushing.

[This work actually all from Dave Hansen 2017-08-30:
still omitting trackswitch mods, and KAISER_REAL_SWITCH deleted.]

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/entry/entry_64.S diff | blob | history
arch/x86/entry/entry_64_compat.S diff | blob | history
arch/x86/include/asm/cpufeatures.h diff | blob | history
arch/x86/include/asm/kaiser.h diff | blob | history
arch/x86/include/asm/pgtable_types.h diff | blob | history
arch/x86/include/asm/tlbflush.h diff | blob | history
arch/x86/include/uapi/asm/processor-flags.h diff | blob | history
arch/x86/kernel/cpu/common.c diff | blob | history
arch/x86/kvm/x86.c diff | blob | history
arch/x86/mm/kaiser.c diff | blob | history
arch/x86/mm/tlb.c diff | blob | history
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