From: Joe Perches <joe@perches.com>
To: Masami Hiramatsu <mhiramat@kernel.org>,
"Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@kernel.org>,
Nicholas Piggin <npiggin@gmail.com>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 7/7] powerpc/kprobes: Allow probing on any ftrace address
Date: Fri, 21 Jun 2019 20:49:50 -0700 [thread overview]
Message-ID: <fca1233b4a88beb603ba453c84bbd735e5adb07a.camel@perches.com> (raw)
In-Reply-To: <20190621235034.acc00fc3e2b2c7e89caa1fd5@kernel.org>
On Fri, 2019-06-21 at 23:50 +0900, Masami Hiramatsu wrote:
> On Tue, 18 Jun 2019 20:17:06 +0530
> "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> wrote:
trivia:
> > diff --git a/arch/powerpc/kernel/kprobes-ftrace.c b/arch/powerpc/kernel/kprobes-ftrace.c
[]
> > @@ -57,6 +82,11 @@ NOKPROBE_SYMBOL(kprobe_ftrace_handler);
> >
> > int arch_prepare_kprobe_ftrace(struct kprobe *p)
> > {
> > + if ((unsigned long)p->addr & 0x03) {
> > + printk("Attempt to register kprobe at an unaligned address\n");
Please use the appropriate KERN_<LEVEL> or pr_<level>
next prev parent reply other threads:[~2019-06-22 3:52 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-18 14:46 [PATCH 0/7] powerpc/ftrace: Patch out -mprofile-kernel instructions Naveen N. Rao
2019-06-18 14:47 ` [PATCH 1/7] ftrace: Expose flags used for ftrace_replace_code() Naveen N. Rao
2019-06-18 14:47 ` [PATCH 2/7] x86/ftrace: Fix use of flags in ftrace_replace_code() Naveen N. Rao
2019-06-18 14:47 ` [PATCH 3/7] ftrace: Expose __ftrace_replace_code() Naveen N. Rao
2019-06-18 14:47 ` [PATCH 4/7] powerpc/ftrace: Additionally nop out the preceding mflr with -mprofile-kernel Naveen N. Rao
2019-06-19 5:14 ` Michael Ellerman
2019-06-19 7:10 ` Nicholas Piggin
2019-06-19 9:53 ` Naveen N. Rao
2019-06-19 10:41 ` Nicholas Piggin
2019-06-19 17:14 ` Naveen N. Rao
2019-06-18 14:47 ` [PATCH 5/7] powerpc/ftrace: Update ftrace_location() for powerpc -mprofile-kernel Naveen N. Rao
2019-06-18 15:45 ` Steven Rostedt
2019-06-18 18:11 ` Naveen N. Rao
2019-06-18 18:23 ` Naveen N. Rao
2019-06-18 18:32 ` Steven Rostedt
2019-06-19 7:56 ` Naveen N. Rao
2019-06-19 9:28 ` Steven Rostedt
2019-06-18 14:47 ` [PATCH 6/7] kprobes/ftrace: Use ftrace_location() when [dis]arming probes Naveen N. Rao
2019-06-21 14:41 ` Masami Hiramatsu
2019-06-18 14:47 ` [PATCH 7/7] powerpc/kprobes: Allow probing on any ftrace address Naveen N. Rao
2019-06-21 14:50 ` Masami Hiramatsu
2019-06-22 3:49 ` Joe Perches [this message]
2019-06-26 9:39 ` Naveen N. Rao
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=fca1233b4a88beb603ba453c84bbd735e5adb07a.camel@perches.com \
--to=joe@perches.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mhiramat@kernel.org \
--cc=mingo@kernel.org \
--cc=mpe@ellerman.id.au \
--cc=naveen.n.rao@linux.vnet.ibm.com \
--cc=npiggin@gmail.com \
--cc=rostedt@goodmis.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;
as well as URLs for NNTP newsgroup(s).