From: Ankur Arora <ankur.a.arora@oracle.com> To: linux-kernel@vger.kernel.org, x86@kernel.org Cc: peterz@infradead.org, hpa@zytor.com, jpoimboe@redhat.com, namit@vmware.com, mhiramat@kernel.org, jgross@suse.com, bp@alien8.de, vkuznets@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, mihai.carabas@oracle.com, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, virtualization@lists.linux-foundation.org, Ankur Arora <ankur.a.arora@oracle.com> Subject: [RFC PATCH 03/26] x86/paravirt: PVRTOP macros for PARAVIRT_RUNTIME Date: Tue, 7 Apr 2020 22:03:00 -0700 [thread overview] Message-ID: <20200408050323.4237-4-ankur.a.arora@oracle.com> (raw) In-Reply-To: <20200408050323.4237-1-ankur.a.arora@oracle.com> Define PVRT* macros which can be used to put pv-ops in .parainstructions.runtime. Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com> --- arch/x86/include/asm/paravirt_types.h | 49 +++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 00e4a062ca10..f1153f53c529 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -337,6 +337,12 @@ struct paravirt_patch_template { extern struct pv_info pv_info; extern struct paravirt_patch_template pv_ops; +#ifdef CONFIG_PARAVIRT_RUNTIME +#define PVRT_SUFFIX ".runtime" +#else +#define PVRT_SUFFIX "" +#endif + /* Sub-section for .parainstructions */ #define PV_SUFFIX "" @@ -693,6 +699,49 @@ int paravirt_disable_iospace(void); #define PVOP_VCALL4(op, arg1, arg2, arg3, arg4) \ _PVOP_VCALL4(PV_SUFFIX, op, arg1, arg2, arg3, arg4) +/* + * PVRTOP macros for .parainstructions.runtime + */ +#define PVRTOP_CALL0(rettype, op) \ + _PVOP_CALL0(PVRT_SUFFIX, rettype, op) +#define PVRTOP_VCALL0(op) \ + _PVOP_VCALL0(PVRT_SUFFIX, op) + +#define PVRTOP_CALLEE0(rettype, op) \ + _PVOP_CALLEE0(PVRT_SUFFIX, rettype, op) +#define PVRTOP_VCALLEE0(op) \ + _PVOP_VCALLEE0(PVRT_SUFFIX, op) + +#define PVRTOP_CALL1(rettype, op, arg1) \ + _PVOP_CALL1(PVRT_SUFFIX, rettype, op, arg1) +#define PVRTOP_VCALL1(op, arg1) \ + _PVOP_VCALL1(PVRT_SUFFIX, op, arg1) + +#define PVRTOP_CALLEE1(rettype, op, arg1) \ + _PVOP_CALLEE1(PVRT_SUFFIX, rettype, op, arg1) +#define PVRTOP_VCALLEE1(op, arg1) \ + _PVOP_VCALLEE1(PVRT_SUFFIX, op, arg1) + +#define PVRTOP_CALL2(rettype, op, arg1, arg2) \ + _PVOP_CALL2(PVRT_SUFFIX, rettype, op, arg1, arg2) +#define PVRTOP_VCALL2(op, arg1, arg2) \ + _PVOP_VCALL2(PVRT_SUFFIX, op, arg1, arg2) + +#define PVRTOP_CALLEE2(rettype, op, arg1, arg2) \ + _PVOP_CALLEE2(PVRT_SUFFIX, rettype, op, arg1, arg2) +#define PVRTOP_VCALLEE2(op, arg1, arg2) \ + _PVOP_VCALLEE2(PVRT_SUFFIX, op, arg1, arg2) + +#define PVRTOP_CALL3(rettype, op, arg1, arg2, arg3) \ + _PVOP_CALL3(PVRT_SUFFIX, rettype, op, arg1, arg2, arg3) +#define PVRTOP_VCALL3(op, arg1, arg2, arg3) \ + _PVOP_VCALL3(PVRT_SUFFIX, op, arg1, arg2, arg3) + +#define PVRTOP_CALL4(rettype, op, arg1, arg2, arg3, arg4) \ + _PVOP_CALL4(PVRT_SUFFIX, rettype, op, arg1, arg2, arg3, arg4) +#define PVRTOP_VCALL4(op, arg1, arg2, arg3, arg4) \ + _PVOP_VCALL4(PVRT_SUFFIX, op, arg1, arg2, arg3, arg4) + /* Lazy mode for batching updates / context switch */ enum paravirt_lazy_mode { PARAVIRT_LAZY_NONE, -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Ankur Arora <ankur.a.arora@oracle.com> To: linux-kernel@vger.kernel.org, x86@kernel.org Cc: jgross@suse.com, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, peterz@infradead.org, hpa@zytor.com, Ankur Arora <ankur.a.arora@oracle.com>, virtualization@lists.linux-foundation.org, pbonzini@redhat.com, namit@vmware.com, mhiramat@kernel.org, jpoimboe@redhat.com, mihai.carabas@oracle.com, bp@alien8.de, vkuznets@redhat.com, boris.ostrovsky@oracle.com Subject: [RFC PATCH 03/26] x86/paravirt: PVRTOP macros for PARAVIRT_RUNTIME Date: Tue, 7 Apr 2020 22:03:00 -0700 [thread overview] Message-ID: <20200408050323.4237-4-ankur.a.arora@oracle.com> (raw) In-Reply-To: <20200408050323.4237-1-ankur.a.arora@oracle.com> Define PVRT* macros which can be used to put pv-ops in .parainstructions.runtime. Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com> --- arch/x86/include/asm/paravirt_types.h | 49 +++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 00e4a062ca10..f1153f53c529 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -337,6 +337,12 @@ struct paravirt_patch_template { extern struct pv_info pv_info; extern struct paravirt_patch_template pv_ops; +#ifdef CONFIG_PARAVIRT_RUNTIME +#define PVRT_SUFFIX ".runtime" +#else +#define PVRT_SUFFIX "" +#endif + /* Sub-section for .parainstructions */ #define PV_SUFFIX "" @@ -693,6 +699,49 @@ int paravirt_disable_iospace(void); #define PVOP_VCALL4(op, arg1, arg2, arg3, arg4) \ _PVOP_VCALL4(PV_SUFFIX, op, arg1, arg2, arg3, arg4) +/* + * PVRTOP macros for .parainstructions.runtime + */ +#define PVRTOP_CALL0(rettype, op) \ + _PVOP_CALL0(PVRT_SUFFIX, rettype, op) +#define PVRTOP_VCALL0(op) \ + _PVOP_VCALL0(PVRT_SUFFIX, op) + +#define PVRTOP_CALLEE0(rettype, op) \ + _PVOP_CALLEE0(PVRT_SUFFIX, rettype, op) +#define PVRTOP_VCALLEE0(op) \ + _PVOP_VCALLEE0(PVRT_SUFFIX, op) + +#define PVRTOP_CALL1(rettype, op, arg1) \ + _PVOP_CALL1(PVRT_SUFFIX, rettype, op, arg1) +#define PVRTOP_VCALL1(op, arg1) \ + _PVOP_VCALL1(PVRT_SUFFIX, op, arg1) + +#define PVRTOP_CALLEE1(rettype, op, arg1) \ + _PVOP_CALLEE1(PVRT_SUFFIX, rettype, op, arg1) +#define PVRTOP_VCALLEE1(op, arg1) \ + _PVOP_VCALLEE1(PVRT_SUFFIX, op, arg1) + +#define PVRTOP_CALL2(rettype, op, arg1, arg2) \ + _PVOP_CALL2(PVRT_SUFFIX, rettype, op, arg1, arg2) +#define PVRTOP_VCALL2(op, arg1, arg2) \ + _PVOP_VCALL2(PVRT_SUFFIX, op, arg1, arg2) + +#define PVRTOP_CALLEE2(rettype, op, arg1, arg2) \ + _PVOP_CALLEE2(PVRT_SUFFIX, rettype, op, arg1, arg2) +#define PVRTOP_VCALLEE2(op, arg1, arg2) \ + _PVOP_VCALLEE2(PVRT_SUFFIX, op, arg1, arg2) + +#define PVRTOP_CALL3(rettype, op, arg1, arg2, arg3) \ + _PVOP_CALL3(PVRT_SUFFIX, rettype, op, arg1, arg2, arg3) +#define PVRTOP_VCALL3(op, arg1, arg2, arg3) \ + _PVOP_VCALL3(PVRT_SUFFIX, op, arg1, arg2, arg3) + +#define PVRTOP_CALL4(rettype, op, arg1, arg2, arg3, arg4) \ + _PVOP_CALL4(PVRT_SUFFIX, rettype, op, arg1, arg2, arg3, arg4) +#define PVRTOP_VCALL4(op, arg1, arg2, arg3, arg4) \ + _PVOP_VCALL4(PVRT_SUFFIX, op, arg1, arg2, arg3, arg4) + /* Lazy mode for batching updates / context switch */ enum paravirt_lazy_mode { PARAVIRT_LAZY_NONE, -- 2.20.1
next prev parent reply other threads:[~2020-04-08 5:07 UTC|newest] Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-08 5:02 [RFC PATCH 00/26] Runtime paravirt patching Ankur Arora 2020-04-08 5:02 ` Ankur Arora 2020-04-08 5:02 ` [RFC PATCH 01/26] x86/paravirt: Specify subsection in PVOP macros Ankur Arora 2020-04-08 5:02 ` Ankur Arora 2020-04-08 5:02 ` [RFC PATCH 02/26] x86/paravirt: Allow paravirt patching post-init Ankur Arora 2020-04-08 5:02 ` Ankur Arora 2020-04-08 5:03 ` Ankur Arora [this message] 2020-04-08 5:03 ` [RFC PATCH 03/26] x86/paravirt: PVRTOP macros for PARAVIRT_RUNTIME Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 04/26] x86/alternatives: Refactor alternatives_smp_module* Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 05/26] x86/alternatives: Rename alternatives_smp*, smp_alt_module Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 06/26] x86/alternatives: Remove stale symbols Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 07/26] x86/paravirt: Persist .parainstructions.runtime Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 08/26] x86/paravirt: Stash native pv-ops Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 09/26] x86/paravirt: Add runtime_patch() Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 11:05 ` Peter Zijlstra 2020-04-08 11:05 ` Peter Zijlstra 2020-04-08 11:05 ` Peter Zijlstra 2020-04-08 5:03 ` [RFC PATCH 10/26] x86/paravirt: Add primitives to stage pv-ops Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 11/26] x86/alternatives: Remove return value of text_poke*() Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 12/26] x86/alternatives: Use __get_unlocked_pte() in text_poke() Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 13/26] x86/alternatives: Split __text_poke() Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 14/26] x86/alternatives: Handle native insns in text_poke_loc*() Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 11:11 ` Peter Zijlstra 2020-04-08 11:11 ` Peter Zijlstra 2020-04-08 11:11 ` Peter Zijlstra 2020-04-08 11:17 ` Peter Zijlstra 2020-04-08 11:17 ` Peter Zijlstra 2020-04-08 11:17 ` Peter Zijlstra 2020-04-08 5:03 ` [RFC PATCH 15/26] x86/alternatives: Non-emulated text poking Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 11:13 ` Peter Zijlstra 2020-04-08 11:13 ` Peter Zijlstra 2020-04-08 11:13 ` Peter Zijlstra 2020-04-08 11:23 ` Peter Zijlstra 2020-04-08 11:23 ` Peter Zijlstra 2020-04-08 11:23 ` Peter Zijlstra 2020-04-08 5:03 ` [RFC PATCH 16/26] x86/alternatives: Add paravirt patching at runtime Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 17/26] x86/alternatives: Add patching logic in text_poke_site() Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 18/26] x86/alternatives: Handle BP in non-emulated text poking Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 19/26] x86/alternatives: NMI safe runtime patching Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 11:36 ` Peter Zijlstra 2020-04-08 11:36 ` Peter Zijlstra 2020-04-08 11:36 ` Peter Zijlstra 2020-04-08 5:03 ` [RFC PATCH 20/26] x86/paravirt: Enable pv-spinlocks in runtime_patch() Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 21/26] x86/alternatives: Paravirt runtime selftest Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 22/26] kvm/paravirt: Encapsulate KVM pv switching logic Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 23/26] x86/kvm: Add worker to trigger runtime patching Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 24/26] x86/kvm: Support dynamic CPUID hints Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 25/26] x86/kvm: Guest support for dynamic hints Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 5:03 ` [RFC PATCH 26/26] x86/kvm: Add hint change notifier for KVM_HINT_REALTIME Ankur Arora 2020-04-08 5:03 ` Ankur Arora 2020-04-08 12:08 ` [RFC PATCH 00/26] Runtime paravirt patching Peter Zijlstra 2020-04-08 12:08 ` Peter Zijlstra 2020-04-08 12:08 ` Peter Zijlstra 2020-04-08 13:33 ` Jürgen Groß 2020-04-08 13:33 ` Jürgen Groß 2020-04-08 14:49 ` Peter Zijlstra 2020-04-08 14:49 ` Peter Zijlstra 2020-04-08 14:49 ` Peter Zijlstra 2020-04-10 9:18 ` Ankur Arora 2020-04-10 9:18 ` Ankur Arora 2020-04-08 12:28 ` Jürgen Groß 2020-04-08 12:28 ` Jürgen Groß 2020-04-10 7:56 ` Ankur Arora 2020-04-10 7:56 ` Ankur Arora 2020-04-10 9:32 ` Ankur Arora 2020-04-10 9:32 ` Ankur Arora 2020-04-08 14:12 ` Thomas Gleixner 2020-04-08 14:12 ` Thomas Gleixner 2020-04-08 14:12 ` Thomas Gleixner 2020-04-10 9:55 ` Ankur Arora 2020-04-10 9:55 ` Ankur Arora
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