Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752483AbdHPRcI (ORCPT ); Wed, 16 Aug 2017 13:32:08 -0400 Received: from mx2.suse.de ([195.135.220.15]:52177 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752105AbdHPRcE (ORCPT ); Wed, 16 Aug 2017 13:32:04 -0400 From: Juergen Gross To: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, x86@kernel.org, lguest@lists.ozlabs.org Cc: boris.ostrovsky@oracle.com, hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com, rusty@rustcorp.com.au, Juergen Gross Subject: [PATCH v2 0/2] x86: paravirt related cleanup Date: Wed, 16 Aug 2017 19:31:55 +0200 Message-Id: <20170816173157.8633-1-jgross@suse.com> X-Mailer: git-send-email 2.12.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4468 Lines: 102 Cleanup special cases of paravirt patching: - Xen doesn't need a custom patching function, it can use paravirt_patch_default() - Remove lguest completely from the tree. A LKML mail asking for any users 3 months ago did not reveal any need for keeping lguest [1]. In case the patches make it to the tree there is quite some potential for further simplification of paravirt stuff. Especially most of the pv operations can be put under the CONFIG_XEN_PV umbrella. Changes in V2: - drop patch 3 (removal of vsmp support) - patch 1: remove even more stuff no longer needed without xen_patch() (Peter Zijlstra) [1]: https://lkml.org/lkml/2017/5/15/502 Juergen Gross (2): paravirt,xen: remove xen_patch() x86/lguest: remove lguest support MAINTAINERS | 11 - arch/x86/Kbuild | 3 - arch/x86/Kconfig | 2 - arch/x86/include/asm/lguest.h | 91 - arch/x86/include/asm/lguest_hcall.h | 74 - arch/x86/include/asm/processor.h | 2 +- arch/x86/include/uapi/asm/bootparam.h | 2 +- arch/x86/kernel/asm-offsets_32.c | 20 - arch/x86/kernel/head_32.S | 2 - arch/x86/kernel/platform-quirks.c | 1 - arch/x86/kvm/Kconfig | 1 - arch/x86/lguest/Kconfig | 14 - arch/x86/lguest/Makefile | 2 - arch/x86/lguest/boot.c | 1558 --------------- arch/x86/lguest/head_32.S | 192 -- arch/x86/xen/enlighten_pv.c | 59 +- arch/x86/xen/xen-asm.S | 24 +- arch/x86/xen/xen-asm.h | 12 - arch/x86/xen/xen-asm_32.S | 27 +- arch/x86/xen/xen-asm_64.S | 20 +- arch/x86/xen/xen-ops.h | 15 +- drivers/Makefile | 1 - drivers/block/Kconfig | 2 +- drivers/char/Kconfig | 2 +- drivers/char/virtio_console.c | 2 +- drivers/lguest/Kconfig | 13 - drivers/lguest/Makefile | 26 - drivers/lguest/README | 47 - drivers/lguest/core.c | 398 ---- drivers/lguest/hypercalls.c | 304 --- drivers/lguest/interrupts_and_traps.c | 706 ------- drivers/lguest/lg.h | 258 --- drivers/lguest/lguest_user.c | 446 ----- drivers/lguest/page_tables.c | 1239 ------------ drivers/lguest/segments.c | 228 --- drivers/lguest/x86/core.c | 724 ------- drivers/lguest/x86/switcher_32.S | 388 ---- drivers/net/Kconfig | 2 +- drivers/tty/hvc/Kconfig | 2 +- drivers/virtio/Kconfig | 4 +- include/linux/lguest.h | 73 - include/linux/lguest_launcher.h | 44 - include/uapi/linux/virtio_ring.h | 4 +- tools/Makefile | 11 +- tools/lguest/.gitignore | 2 - tools/lguest/Makefile | 14 - tools/lguest/extract | 58 - tools/lguest/lguest.c | 3420 --------------------------------- tools/lguest/lguest.txt | 125 -- 49 files changed, 36 insertions(+), 10639 deletions(-) delete mode 100644 arch/x86/include/asm/lguest.h delete mode 100644 arch/x86/include/asm/lguest_hcall.h delete mode 100644 arch/x86/lguest/Kconfig delete mode 100644 arch/x86/lguest/Makefile delete mode 100644 arch/x86/lguest/boot.c delete mode 100644 arch/x86/lguest/head_32.S delete mode 100644 arch/x86/xen/xen-asm.h delete mode 100644 drivers/lguest/Kconfig delete mode 100644 drivers/lguest/Makefile delete mode 100644 drivers/lguest/README delete mode 100644 drivers/lguest/core.c delete mode 100644 drivers/lguest/hypercalls.c delete mode 100644 drivers/lguest/interrupts_and_traps.c delete mode 100644 drivers/lguest/lg.h delete mode 100644 drivers/lguest/lguest_user.c delete mode 100644 drivers/lguest/page_tables.c delete mode 100644 drivers/lguest/segments.c delete mode 100644 drivers/lguest/x86/core.c delete mode 100644 drivers/lguest/x86/switcher_32.S delete mode 100644 include/linux/lguest.h delete mode 100644 include/linux/lguest_launcher.h delete mode 100644 tools/lguest/.gitignore delete mode 100644 tools/lguest/Makefile delete mode 100644 tools/lguest/extract delete mode 100644 tools/lguest/lguest.c delete mode 100644 tools/lguest/lguest.txt -- 2.12.3