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Groups > linux.kernel > #1645702
| From | Juergen Gross <jgross@suse.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 00/10] paravirt: make amount of paravirtualization configurable |
| Date | 2017-05-19 18:00 +0200 |
| Message-ID | <tISk9-4bg-3@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
Today paravirtualization is a all-or-nothing game: either a kernel is
compiled with no paravirtualization support at all, or it is supporting
paravirtualized environments like Xen pv-guests or lguest additionally
to some paravirtualized tuning for KVM, Hyperv, VMWare or Xen
HVM-guests.
As support of pv-guests requires quite intrusive pv-hooks (e.g. all
access functions to page table entries, privileged instructions) it is
desirable to enable those hooks only in cases where support of
pv-guests is really desired.
With splitting up of Xen guest support into pv-guest support and
support for HVM-guests it is now possible to do the same for support
of paravirtualization: only if XEN_PV or LGUEST_GUEST are configured
full paravirtualization is required.
This patch series carves out pv-guest support form PARAVIRT by
introducing PARAVIRT_FULL config option selected by XEN_PV and
LGUEST_GUEST config options.
The series has been tested for 32 and 64 bit kernels without
PARAVIRT, with PARAVIRT, and with PARAVIRT + PARAVIRT_FULL configured.
Juergen Gross (10):
x86: remove stale prototype from arch/x86/include/asm/pgalloc.h
paravirt: remove unused function paravirt_disable_iospace()
xen: move interrupt handling for pv guests under CONFIG_XEN_PV
umbrella
xen: remove non-pv test from arch/x86/xen/irq.c
paravirt: add new PARAVIRT_FULL config item
paravirt: split pv_cpu_ops for support of PARAVIRT_FULL
paravirt: split pv_irq_ops for support of PARAVIRT_FULL
paravirt: split pv_mmu_ops for support of PARAVIRT_FULL
paravirt: split pv_info for support of PARAVIRT_FULL
paravirt: merge pv_ops_* structures into one
MAINTAINERS | 2 +-
arch/x86/Kconfig | 4 +
arch/x86/boot/compressed/misc.h | 1 +
arch/x86/entry/entry_32.S | 4 +-
arch/x86/entry/entry_64.S | 10 +-
arch/x86/include/asm/debugreg.h | 2 +-
arch/x86/include/asm/desc.h | 4 +-
arch/x86/include/asm/fixmap.h | 2 +-
arch/x86/include/asm/irqflags.h | 40 +-
arch/x86/include/asm/mmu_context.h | 4 +-
arch/x86/include/asm/msr.h | 4 +-
arch/x86/include/asm/paravirt.h | 738 ++--------------------------
arch/x86/include/asm/paravirt_full.h | 714 +++++++++++++++++++++++++++
arch/x86/include/asm/paravirt_types.h | 243 +--------
arch/x86/include/asm/paravirt_types_full.h | 218 ++++++++
arch/x86/include/asm/pgalloc.h | 4 +-
arch/x86/include/asm/pgtable-3level_types.h | 4 +-
arch/x86/include/asm/pgtable.h | 8 +-
arch/x86/include/asm/processor.h | 4 +-
arch/x86/include/asm/ptrace.h | 5 +-
arch/x86/include/asm/segment.h | 2 +-
arch/x86/include/asm/special_insns.h | 25 +-
arch/x86/include/asm/tlbflush.h | 2 +-
arch/x86/kernel/Makefile | 1 +
arch/x86/kernel/alternative.c | 4 +-
arch/x86/kernel/asm-offsets.c | 21 +-
arch/x86/kernel/asm-offsets_64.c | 9 +-
arch/x86/kernel/cpu/common.c | 4 +-
arch/x86/kernel/cpu/vmware.c | 6 +-
arch/x86/kernel/head_64.S | 2 +-
arch/x86/kernel/kvm.c | 6 +-
arch/x86/kernel/kvmclock.c | 6 +-
arch/x86/kernel/paravirt.c | 303 +-----------
arch/x86/kernel/paravirt_full.c | 277 +++++++++++
arch/x86/kernel/paravirt_patch_32.c | 36 +-
arch/x86/kernel/paravirt_patch_64.c | 50 +-
arch/x86/kernel/tsc.c | 2 +-
arch/x86/kernel/vsmp_64.c | 18 +-
arch/x86/lguest/Kconfig | 1 +
arch/x86/lguest/boot.c | 100 ++--
arch/x86/xen/Kconfig | 1 +
arch/x86/xen/Makefile | 8 +-
arch/x86/xen/enlighten_hvm.c | 4 +-
arch/x86/xen/enlighten_pv.c | 58 ++-
arch/x86/xen/irq.c | 15 +-
arch/x86/xen/mmu_hvm.c | 2 +-
arch/x86/xen/mmu_pv.c | 34 +-
arch/x86/xen/time.c | 11 +-
drivers/xen/time.c | 2 +-
49 files changed, 1548 insertions(+), 1477 deletions(-)
create mode 100644 arch/x86/include/asm/paravirt_full.h
create mode 100644 arch/x86/include/asm/paravirt_types_full.h
create mode 100644 arch/x86/kernel/paravirt_full.c
--
2.12.0
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[PATCH 00/10] paravirt: make amount of paravirtualization configurable Juergen Gross <jgross@suse.com> - 2017-05-19 18:00 +0200
[PATCH 03/10] xen: move interrupt handling for pv guests under CONFIG_XEN_PV umbrella Juergen Gross <jgross@suse.com> - 2017-05-19 18:00 +0200
[PATCH 04/10] xen: remove non-pv test from arch/x86/xen/irq.c Juergen Gross <jgross@suse.com> - 2017-05-19 18:00 +0200
Re: [PATCH 00/10] paravirt: make amount of paravirtualization configurable Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-05-22 21:50 +0200
Re: [PATCH 00/10] paravirt: make amount of paravirtualization configurable Juergen Gross <jgross@suse.com> - 2017-05-23 08:30 +0200
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