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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



  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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