From: tip-bot for Masami Hiramatsu <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: mingo@kernel.org, linux-kernel@vger.kernel.org,
mhiramat@kernel.org, naveen.n.rao@linux.vnet.ibm.com,
peterz@infradead.org, anil.s.keshavamurthy@intel.com, yhs@fb.com,
bp@alien8.de, torvalds@linux-foundation.org, tglx@linutronix.de,
righi.andrea@gmail.com, hpa@zytor.com, davem@davemloft.net,
luto@kernel.org
Subject: [tip:perf/core] kprobes/x86: Show x86-64 specific blacklisted symbols correctly
Date: Mon, 17 Dec 2018 10:19:30 -0800 [thread overview]
Message-ID: <tip-fe6e65615415987629a2dda583b4495677d8c388@git.kernel.org> (raw)
In-Reply-To: <154503488425.26176.17136784384033608516.stgit@devbox>
Commit-ID: fe6e65615415987629a2dda583b4495677d8c388
Gitweb: https://git.kernel.org/tip/fe6e65615415987629a2dda583b4495677d8c388
Author: Masami Hiramatsu <mhiramat@kernel.org>
AuthorDate: Mon, 17 Dec 2018 17:21:24 +0900
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Mon, 17 Dec 2018 17:48:39 +0100
kprobes/x86: Show x86-64 specific blacklisted symbols correctly
Show x86-64 specific blacklisted symbols in debugfs.
Since x86-64 prohibits probing on symbols which are in
entry text, those should be shown.
Tested-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yonghong Song <yhs@fb.com>
Link: http://lkml.kernel.org/r/154503488425.26176.17136784384033608516.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/kernel/kprobes/core.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index c33b06f5faa4..6011a4a90f0a 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -1034,6 +1034,12 @@ bool arch_within_kprobe_blacklist(unsigned long addr)
addr < (unsigned long)__entry_text_end);
}
+int __init arch_populate_kprobe_blacklist(void)
+{
+ return kprobe_add_area_blacklist((unsigned long)__entry_text_start,
+ (unsigned long)__entry_text_end);
+}
+
int __init arch_init_kprobes(void)
{
return 0;
next prev parent reply other threads:[~2018-12-17 18:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-17 8:20 [PATCH v2 0/3] x86: kprobes: Show correct blaclkist in debugfs Masami Hiramatsu
2018-12-17 8:20 ` [PATCH v2 1/3] kprobes: Blacklist symbols in arch-defined prohibited area Masami Hiramatsu
2018-12-17 18:18 ` [tip:perf/core] " tip-bot for Masami Hiramatsu
2018-12-17 8:21 ` [PATCH v2 2/3] x86/kprobes: Show x86-64 specific blacklisted symbols correctly Masami Hiramatsu
2018-12-17 18:19 ` tip-bot for Masami Hiramatsu [this message]
2018-12-17 8:21 ` [PATCH v2 3/3] x86/kprobes: Remove unneeded arch_within_kprobe_blacklist from x86 Masami Hiramatsu
2018-12-17 18:20 ` [tip:perf/core] kprobes/x86: " tip-bot for Masami Hiramatsu
2018-12-17 15:47 ` [PATCH v2 0/3] x86: kprobes: Show correct blaclkist in debugfs Andrea Righi
2018-12-18 4:50 ` Masami Hiramatsu
2018-12-18 17:24 ` Andrea Righi
2018-12-27 17:09 ` Andrea Righi
2019-01-01 13:16 ` Masami Hiramatsu
2019-01-01 13:37 ` Andrea Righi
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=tip-fe6e65615415987629a2dda583b4495677d8c388@git.kernel.org \
--to=tipbot@zytor.com \
--cc=anil.s.keshavamurthy@intel.com \
--cc=bp@alien8.de \
--cc=davem@davemloft.net \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tip-commits@vger.kernel.org \
--cc=luto@kernel.org \
--cc=mhiramat@kernel.org \
--cc=mingo@kernel.org \
--cc=naveen.n.rao@linux.vnet.ibm.com \
--cc=peterz@infradead.org \
--cc=righi.andrea@gmail.com \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
--cc=yhs@fb.com \
/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;
as well as URLs for NNTP newsgroup(s).