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
next prev parent reply other threads:[~2020-04-08 5:07 UTC|newest]
Thread overview: 42+ 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 ` [RFC PATCH 01/26] x86/paravirt: Specify subsection in PVOP macros Ankur Arora
2020-04-08 5:02 ` [RFC PATCH 02/26] x86/paravirt: Allow paravirt patching post-init Ankur Arora
2020-04-08 5:03 ` Ankur Arora [this message]
2020-04-08 5:03 ` [RFC PATCH 04/26] x86/alternatives: Refactor alternatives_smp_module* 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 ` [RFC PATCH 06/26] x86/alternatives: Remove stale symbols Ankur Arora
2020-04-08 5:03 ` [RFC PATCH 07/26] x86/paravirt: Persist .parainstructions.runtime Ankur Arora
2020-04-08 5:03 ` [RFC PATCH 08/26] x86/paravirt: Stash native pv-ops Ankur Arora
2020-04-08 5:03 ` [RFC PATCH 09/26] x86/paravirt: Add runtime_patch() Ankur Arora
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 ` [RFC PATCH 11/26] x86/alternatives: Remove return value of text_poke*() 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 ` [RFC PATCH 13/26] x86/alternatives: Split __text_poke() 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 11:11 ` 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 11:13 ` 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 ` [RFC PATCH 17/26] x86/alternatives: Add patching logic in text_poke_site() 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 ` [RFC PATCH 19/26] x86/alternatives: NMI safe runtime patching Ankur Arora
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 ` [RFC PATCH 21/26] x86/alternatives: Paravirt runtime selftest 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 ` [RFC PATCH 23/26] x86/kvm: Add worker to trigger runtime patching Ankur Arora
2020-04-08 5:03 ` [RFC PATCH 24/26] x86/kvm: Support dynamic CPUID hints 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 ` [RFC PATCH 26/26] x86/kvm: Add hint change notifier for KVM_HINT_REALTIME Ankur Arora
2020-04-08 12:08 ` [RFC PATCH 00/26] Runtime paravirt patching Peter Zijlstra
2020-04-08 13:33 ` Jürgen Groß
2020-04-08 14:49 ` Peter Zijlstra
2020-04-10 9:18 ` Ankur Arora
2020-04-08 12:28 ` Jürgen Groß
2020-04-10 7:56 ` Ankur Arora
2020-04-10 9:32 ` Ankur Arora
2020-04-08 14:12 ` Thomas Gleixner
2020-04-10 9:55 ` Ankur Arora
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200408050323.4237-4-ankur.a.arora@oracle.com \
--to=ankur.a.arora@oracle.com \
--cc=boris.ostrovsky@oracle.com \
--cc=bp@alien8.de \
--cc=hpa@zytor.com \
--cc=jgross@suse.com \
--cc=jpoimboe@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mhiramat@kernel.org \
--cc=mihai.carabas@oracle.com \
--cc=namit@vmware.com \
--cc=pbonzini@redhat.com \
--cc=peterz@infradead.org \
--cc=virtualization@lists.linux-foundation.org \
--cc=vkuznets@redhat.com \
--cc=x86@kernel.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox