From: Anton Blanchard <anton@samba.org>
To: benh@kernel.crashing.org, paulus@samba.org,
rusty@rustcorp.com.au, ulrich.weigand@de.ibm.com,
amodra@gmail.com, mikey@neuling.org, mjw@linux.vnet.ibm.com,
rostedt@goodmis.org, philippe.bergheaud@fr.ibm.com
Cc: linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 3/7] powerpc/kprobes: Fix ABIv2 issues with kprobe_lookup_name
Date: Fri, 4 Apr 2014 17:09:06 +1100 [thread overview]
Message-ID: <1396591750-8203-4-git-send-email-anton@samba.org> (raw)
In-Reply-To: <1396591750-8203-1-git-send-email-anton@samba.org>
Use ppc_function_entry in places where we previously assumed
function descriptors exist.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
arch/powerpc/include/asm/kprobes.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h
index 7b6feab..af15d4d 100644
--- a/arch/powerpc/include/asm/kprobes.h
+++ b/arch/powerpc/include/asm/kprobes.h
@@ -30,6 +30,7 @@
#include <linux/ptrace.h>
#include <linux/percpu.h>
#include <asm/probes.h>
+#include <asm/code-patching.h>
#define __ARCH_WANT_KPROBES_INSN_SLOT
@@ -56,9 +57,9 @@ typedef ppc_opcode_t kprobe_opcode_t;
if ((colon = strchr(name, ':')) != NULL) { \
colon++; \
if (*colon != '\0' && *colon != '.') \
- addr = *(kprobe_opcode_t **)addr; \
+ addr = (kprobe_opcode_t *)ppc_function_entry(addr); \
} else if (name[0] != '.') \
- addr = *(kprobe_opcode_t **)addr; \
+ addr = (kprobe_opcode_t *)ppc_function_entry(addr); \
} else { \
char dot_name[KSYM_NAME_LEN]; \
dot_name[0] = '.'; \
--
1.8.3.2
next prev parent reply other threads:[~2014-04-04 6:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-04 6:09 [PATCH 0/7] Build ppc64le kernel using ABIv2, supplemental patches Anton Blanchard
2014-04-04 6:09 ` [PATCH 1/7] powerpc: Add _GLOBAL_TOC for ABIv2 assembly functions exported to modules Anton Blanchard
2014-04-04 6:09 ` [PATCH 2/7] powerpc: ftrace_caller, _mcount is exported to modules so needs _GLOBAL_TOC() Anton Blanchard
2014-04-04 6:09 ` Anton Blanchard [this message]
2014-04-04 6:09 ` [PATCH 4/7] powerpc/modules: Create is_module_trampoline() Anton Blanchard
2014-04-04 6:09 ` [PATCH 5/7] powerpc/modules: Create module_trampoline_target() Anton Blanchard
2014-04-04 6:09 ` [PATCH 6/7] powerpc/ftrace: Use module loader helpers to parse trampolines Anton Blanchard
2014-04-22 6:58 ` Rusty Russell
2014-04-04 6:09 ` [PATCH 7/7] powerpc/ftrace: Fix ABIv2 issues with __ftrace_make_call Anton Blanchard
2014-04-04 6:19 ` [PATCH 0/7] Build ppc64le kernel using ABIv2, supplemental patches Michael Neuling
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=1396591750-8203-4-git-send-email-anton@samba.org \
--to=anton@samba.org \
--cc=amodra@gmail.com \
--cc=benh@kernel.crashing.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mikey@neuling.org \
--cc=mjw@linux.vnet.ibm.com \
--cc=paulus@samba.org \
--cc=philippe.bergheaud@fr.ibm.com \
--cc=rostedt@goodmis.org \
--cc=rusty@rustcorp.com.au \
--cc=ulrich.weigand@de.ibm.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).