linux-kernel - [PATCH 12/13] objtool: Add support for new .pv

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Message-Id: <7bb04938efcac2c1eaba2cae849337a9a542e1b0.1507128293.git.jpoimboe@redhat.com>
Date:   Wed,  4 Oct 2017 10:58:33 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, Juergen Gross <jgross@...e.com>,
        Andy Lutomirski <luto@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <alexander.levin@...izon.com>,
        live-patching@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>,
        Ingo Molnar <mingo@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Mike Galbraith <efault@....de>,
        Chris Wright <chrisw@...s-sol.org>,
        Alok Kataria <akataria@...are.com>,
        Rusty Russell <rusty@...tcorp.com.au>,
        virtualization@...ts.linux-foundation.org,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        xen-devel@...ts.xenproject.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>
Subject: [PATCH 12/13] objtool: Add support for new .pv_altinstructions section

Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
---
 tools/objtool/special.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/objtool/special.c b/tools/objtool/special.c
index 84f001d52322..dc15a3564fc9 100644
--- a/tools/objtool/special.c
+++ b/tools/objtool/special.c
@@ -63,6 +63,16 @@ struct special_entry entries[] = {
 		.feature = ALT_FEATURE_OFFSET,
 	},
 	{
+		.sec = ".pv_altinstructions",
+		.group = true,
+		.size = ALT_ENTRY_SIZE,
+		.orig = ALT_ORIG_OFFSET,
+		.orig_len = ALT_ORIG_LEN_OFFSET,
+		.new = ALT_NEW_OFFSET,
+		.new_len = ALT_NEW_LEN_OFFSET,
+		.feature = ALT_FEATURE_OFFSET,
+	},
+	{
 		.sec = "__jump_table",
 		.jump_or_nop = true,
 		.size = JUMP_ENTRY_SIZE,
-- 
2.13.6