linux-kernel - [PATCH v4 0/6] x86/paravirt: cleanup after 32-bit PV removal

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Date:   Sat, 15 Aug 2020 12:06:35 +0200
From:   Juergen Gross <jgross@...e.com>
To:     xen-devel@...ts.xenproject.org, x86@...nel.org,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org
Cc:     Juergen Gross <jgross@...e.com>, Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, Deep Shah <sdeep@...are.com>,
        "VMware, Inc." <pv-drivers@...are.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH v4 0/6] x86/paravirt: cleanup after 32-bit PV removal

A lot of cleanup after removal of 32-bit Xen PV guest support in
paravirt code.

Changes in V4:
- dropped patches 1-3, as already committed
- addressed comments to V3
- added new patches 5+6

Changes in V3:
- addressed comments to V2
- split patch 1 into 2 patches
- new patches 3 and 7

Changes in V2:
- rebase to 5.8 kernel
- addressed comments to V1
- new patches 3 and 4

Juergen Gross (6):
  x86/paravirt: remove 32-bit support from PARAVIRT_XXL
  x86/paravirt: cleanup paravirt macros
  x86/paravirt: use CONFIG_PARAVIRT_XXL instead of CONFIG_PARAVIRT
  x86/entry/32: revert "Fix XEN_PV build dependency"
  x86/paravirt: remove set_pte_at pv-op
  x86/paravirt: avoid needless paravirt step clearing page table entries

 arch/x86/entry/entry_64.S                   |   4 +-
 arch/x86/entry/vdso/vdso32/vclock_gettime.c |   1 +
 arch/x86/include/asm/fixmap.h               |   2 +-
 arch/x86/include/asm/idtentry.h             |   4 +-
 arch/x86/include/asm/paravirt.h             | 151 +++-----------------
 arch/x86/include/asm/paravirt_types.h       |  23 ---
 arch/x86/include/asm/pgtable-3level_types.h |   5 -
 arch/x86/include/asm/pgtable.h              |   7 +-
 arch/x86/include/asm/required-features.h    |   2 +-
 arch/x86/include/asm/segment.h              |   4 -
 arch/x86/kernel/cpu/common.c                |   8 --
 arch/x86/kernel/kprobes/core.c              |   1 -
 arch/x86/kernel/kprobes/opt.c               |   1 -
 arch/x86/kernel/paravirt.c                  |  19 ---
 arch/x86/kernel/paravirt_patch.c            |  17 ---
 arch/x86/xen/enlighten_pv.c                 |   6 -
 arch/x86/xen/mmu_pv.c                       |   8 --
 include/trace/events/xen.h                  |  20 ---
 18 files changed, 27 insertions(+), 256 deletions(-)

-- 
2.26.2