From: Masami Hiramatsu <mhiramat@kernel.org> To: Ingo Molnar <mingo@kernel.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Peter Zijlstra <peterz@infradead.org>, Randy Dunlap <rdunlap@infradead.org>, Borislav Petkov <bp@alien8.de>, Juergen Gross <jgross@suse.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Stefano Stabellini <sstabellini@kernel.org>, x86@kernel.org, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Subject: [PATCH -tip v4 0/4] x86: kprobes: Prohibit kprobes on Xen/KVM emulate prefixes Date: Fri, 6 Sep 2019 22:13:37 +0900 [thread overview] Message-ID: <156777561745.25081.1205321122446165328.stgit@devnote2> (raw) Hi, Here is the 4th version of patches to handle Xen/KVM emulate prefix by x86 instruction decoder. These patches allow x86 instruction decoder to decode Xen and KVM emulate prefix correctly, and prohibit kprobes to probe on it. Previous version is here; https://lkml.kernel.org/r/156773433821.31441.2905951246664148487.stgit@devnote2 In this version, I added 2 patches, [1/4] fixes __ASM_FORM() to accept macros using __stringify(), [2/4] introduces new asm/emulate_prefix.h to initialize Xen and KVM emulate prefix at one place. [3/4] is updated to use new emulate_prefix.h and fix to add emulate_prefix.h to sync check list. This series can be applied on -tip master branch which has merged Josh's objtool/perf sharing common x86 insn decoder series. Thank you, --- Masami Hiramatsu (4): x86/asm: Allow to pass macros to __ASM_FORM() x86: xen: kvm: Gather the definition of emulate prefixes x86: xen: insn: Decode Xen and KVM emulate-prefix signature x86: kprobes: Prohibit probing on instruction which has emulate prefix arch/x86/include/asm/asm.h | 8 ++++-- arch/x86/include/asm/emulate_prefix.h | 14 +++++++++++ arch/x86/include/asm/insn.h | 6 +++++ arch/x86/include/asm/xen/interface.h | 11 +++------ arch/x86/kernel/kprobes/core.c | 4 +++ arch/x86/kvm/x86.c | 4 ++- arch/x86/lib/insn.c | 34 +++++++++++++++++++++++++++ tools/arch/x86/include/asm/emulate_prefix.h | 14 +++++++++++ tools/arch/x86/include/asm/insn.h | 6 +++++ tools/arch/x86/lib/insn.c | 34 +++++++++++++++++++++++++++ tools/objtool/sync-check.sh | 3 ++ tools/perf/check-headers.sh | 3 ++ 12 files changed, 128 insertions(+), 13 deletions(-) create mode 100644 arch/x86/include/asm/emulate_prefix.h create mode 100644 tools/arch/x86/include/asm/emulate_prefix.h -- Masami Hiramatsu (Linaro) <mhiramat@kernel.org>
WARNING: multiple messages have this Message-ID (diff)
From: Masami Hiramatsu <mhiramat@kernel.org> To: Ingo Molnar <mingo@kernel.org> Cc: Juergen Gross <jgross@suse.com>, Stefano Stabellini <sstabellini@kernel.org>, Peter Zijlstra <peterz@infradead.org>, Andrew Cooper <andrew.cooper3@citrix.com>, Randy Dunlap <rdunlap@infradead.org>, x86@kernel.org, linux-kernel@vger.kernel.org, Borislav Petkov <bp@alien8.de>, Josh Poimboeuf <jpoimboe@redhat.com>, xen-devel@lists.xenproject.org, Boris Ostrovsky <boris.ostrovsky@oracle.com> Subject: [Xen-devel] [PATCH -tip v4 0/4] x86: kprobes: Prohibit kprobes on Xen/KVM emulate prefixes Date: Fri, 6 Sep 2019 22:13:37 +0900 [thread overview] Message-ID: <156777561745.25081.1205321122446165328.stgit@devnote2> (raw) Hi, Here is the 4th version of patches to handle Xen/KVM emulate prefix by x86 instruction decoder. These patches allow x86 instruction decoder to decode Xen and KVM emulate prefix correctly, and prohibit kprobes to probe on it. Previous version is here; https://lkml.kernel.org/r/156773433821.31441.2905951246664148487.stgit@devnote2 In this version, I added 2 patches, [1/4] fixes __ASM_FORM() to accept macros using __stringify(), [2/4] introduces new asm/emulate_prefix.h to initialize Xen and KVM emulate prefix at one place. [3/4] is updated to use new emulate_prefix.h and fix to add emulate_prefix.h to sync check list. This series can be applied on -tip master branch which has merged Josh's objtool/perf sharing common x86 insn decoder series. Thank you, --- Masami Hiramatsu (4): x86/asm: Allow to pass macros to __ASM_FORM() x86: xen: kvm: Gather the definition of emulate prefixes x86: xen: insn: Decode Xen and KVM emulate-prefix signature x86: kprobes: Prohibit probing on instruction which has emulate prefix arch/x86/include/asm/asm.h | 8 ++++-- arch/x86/include/asm/emulate_prefix.h | 14 +++++++++++ arch/x86/include/asm/insn.h | 6 +++++ arch/x86/include/asm/xen/interface.h | 11 +++------ arch/x86/kernel/kprobes/core.c | 4 +++ arch/x86/kvm/x86.c | 4 ++- arch/x86/lib/insn.c | 34 +++++++++++++++++++++++++++ tools/arch/x86/include/asm/emulate_prefix.h | 14 +++++++++++ tools/arch/x86/include/asm/insn.h | 6 +++++ tools/arch/x86/lib/insn.c | 34 +++++++++++++++++++++++++++ tools/objtool/sync-check.sh | 3 ++ tools/perf/check-headers.sh | 3 ++ 12 files changed, 128 insertions(+), 13 deletions(-) create mode 100644 arch/x86/include/asm/emulate_prefix.h create mode 100644 tools/arch/x86/include/asm/emulate_prefix.h -- Masami Hiramatsu (Linaro) <mhiramat@kernel.org> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
next reply other threads:[~2019-09-06 13:13 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-09-06 13:13 Masami Hiramatsu [this message] 2019-09-06 13:13 ` [Xen-devel] [PATCH -tip v4 0/4] x86: kprobes: Prohibit kprobes on Xen/KVM emulate prefixes Masami Hiramatsu 2019-09-06 13:13 ` [PATCH -tip v4 1/4] x86/asm: Allow to pass macros to __ASM_FORM() Masami Hiramatsu 2019-09-06 13:13 ` [Xen-devel] " Masami Hiramatsu 2019-10-18 12:48 ` [tip: x86/core] " tip-bot2 for Masami Hiramatsu 2019-10-18 12:48 ` [Xen-devel] " tip-bot2 for Masami Hiramatsu 2019-09-06 13:13 ` [PATCH -tip v4 2/4] x86: xen: kvm: Gather the definition of emulate prefixes Masami Hiramatsu 2019-09-06 13:13 ` [Xen-devel] " Masami Hiramatsu 2019-10-18 12:48 ` [tip: x86/core] " tip-bot2 for Masami Hiramatsu 2019-10-18 12:48 ` [Xen-devel] " tip-bot2 for Masami Hiramatsu 2019-09-06 13:14 ` [PATCH -tip v4 3/4] x86: xen: insn: Decode Xen and KVM emulate-prefix signature Masami Hiramatsu 2019-09-06 13:14 ` [Xen-devel] " Masami Hiramatsu 2019-10-18 12:48 ` [tip: x86/core] " tip-bot2 for Masami Hiramatsu 2019-10-18 12:48 ` [Xen-devel] " tip-bot2 for Masami Hiramatsu 2019-09-06 13:14 ` [PATCH -tip v4 4/4] x86: kprobes: Prohibit probing on instruction which has emulate prefix Masami Hiramatsu 2019-09-06 13:14 ` [Xen-devel] " Masami Hiramatsu 2019-10-18 12:48 ` [tip: x86/core] " tip-bot2 for Masami Hiramatsu 2019-10-18 12:48 ` [Xen-devel] " tip-bot2 for Masami Hiramatsu 2019-09-17 6:14 ` [PATCH -tip v4 0/4] x86: kprobes: Prohibit kprobes on Xen/KVM emulate prefixes Masami Hiramatsu 2019-09-17 6:14 ` [Xen-devel] " Masami Hiramatsu 2019-10-09 12:31 ` Peter Zijlstra 2019-10-09 12:31 ` [Xen-devel] " Peter Zijlstra 2019-10-17 3:26 ` Masami Hiramatsu 2019-10-17 3:26 ` [Xen-devel] " Masami Hiramatsu 2019-10-17 7:29 ` Peter Zijlstra 2019-10-17 7:29 ` [Xen-devel] " Peter Zijlstra
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