From: wangnan0@huawei.com (Wang Nan)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v2 21/26] early kprobes: add CONFIG_EARLY_KPROBES option.
Date: Thu, 12 Feb 2015 20:21:10 +0800 [thread overview]
Message-ID: <1423743670-12943-1-git-send-email-wangnan0@huawei.com> (raw)
In-Reply-To: <1423743476-11927-1-git-send-email-wangnan0@huawei.com>
Enable early kprobes in Kconfig.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
---
arch/Kconfig | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/Kconfig b/arch/Kconfig
index 05d7a8a..06dff4b 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -46,6 +46,18 @@ config KPROBES
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+config EARLY_KPROBES
+ depends on KPROBES && OPTPROBES
+ def_bool y
+
+config NR_EARLY_KPROBES_SLOTS
+ int "Number of possible early kprobes"
+ range 1 64
+ default 16
+ depends on EARLY_KPROBES
+ help
+ Number of early kprobes slots.
+
config JUMP_LABEL
bool "Optimize very unlikely/likely branches"
depends on HAVE_ARCH_JUMP_LABEL
--
1.8.4
next prev parent reply other threads:[~2015-02-12 12:21 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-12 12:17 [RFC PATCH v2 00/26] Early kprobe: enable kprobes at very early booting stage Wang Nan
2015-02-12 12:19 ` [RFC PATCH v2 01/26] kprobes: set kprobes_all_disarmed earlier to enable re-optimization Wang Nan
2015-02-12 12:19 ` [RFC PATCH v2 02/26] kprobes: makes kprobes/enabled works correctly for optimized kprobes Wang Nan
2015-02-12 12:19 ` [RFC PATCH v2 03/26] kprobes: x86: mark 2 bytes NOP as boostable Wang Nan
2015-02-12 12:19 ` [RFC PATCH v2 04/26] ftrace: don't update record flags if code modification fail Wang Nan
2015-02-12 12:19 ` [RFC PATCH v2 05/26] ftrace/x86: Ensure rec->flags no change when failure occures Wang Nan
2015-02-12 12:19 ` [RFC PATCH v2 06/26] ftrace: sort ftrace entries earlier Wang Nan
2015-02-12 17:35 ` Steven Rostedt
2015-02-12 12:19 ` [RFC PATCH v2 07/26] ftrace: allow search ftrace addr before ftrace fully inited Wang Nan
2015-02-12 17:38 ` Steven Rostedt
2015-02-12 12:19 ` [RFC PATCH v2 08/26] ftrace: enable other subsystems make ftrace nop before ftrace_init() Wang Nan
2015-02-12 17:39 ` Steven Rostedt
2015-02-13 1:29 ` Wang Nan
2015-02-12 12:20 ` [RFC PATCH v2 10/26] ftrace: x86: try to fix ftrace when ftrace_replace_code Wang Nan
2015-02-12 12:20 ` [RFC PATCH v2 11/26] early kprobes: introduce kprobe_is_early for futher early kprobe use Wang Nan
2015-02-12 12:20 ` [RFC PATCH v2 12/26] early kprobes: Add an KPROBE_FLAG_EARLY for early kprobe Wang Nan
2015-02-12 12:20 ` [RFC PATCH v2 13/26] early kprobes: ARM: directly modify code Wang Nan
2015-02-12 12:20 ` [RFC PATCH v2 14/26] early kprobes: ARM: introduce early kprobes related code area Wang Nan
2015-02-13 17:32 ` Russell King - ARM Linux
2015-02-15 8:26 ` [RFC PATCH 0/3] early kprobes: rearrange vmlinux.lds related code Wang Nan
2015-02-15 8:27 ` [RFC PATCH 1/3] early kprobes: ARM: add definition for vmlinux.lds use Wang Nan
2015-02-15 8:27 ` [RFC PATCH 2/3] early kprobes: x86: " Wang Nan
2015-02-15 8:27 ` [RFC PATCH 3/3] early kprobes: introduce early kprobes related code area Wang Nan
2015-02-12 12:20 ` [RFC PATCH v2 15/26] early kprobes: x86: directly modify code Wang Nan
2015-02-12 12:20 ` [RFC PATCH v2 16/26] early kprobes: x86: introduce early kprobes related code area Wang Nan
2015-02-12 12:20 ` [RFC PATCH v2 17/26] early kprobes: introduces macros for allocing early kprobe resources Wang Nan
2015-02-12 12:20 ` [RFC PATCH v2 18/26] early kprobes: allows __alloc_insn_slot() from early kprobes slots Wang Nan
2015-02-12 12:21 ` [RFC PATCH v2 19/26] early kprobes: perhibit probing at early kprobe reserved area Wang Nan
2015-02-12 12:21 ` [RFC PATCH v2 20/26] early kprobes: core logic of eraly kprobes Wang Nan
2015-02-12 12:21 ` Wang Nan [this message]
2015-02-12 12:21 ` [RFC PATCH v2 22/26] early kprobes: introduce arch_fix_ftrace_early_kprobe() Wang Nan
2015-02-12 12:21 ` [RFC PATCH v2 23/26] early kprobes: x86: arch_restore_optimized_kprobe() Wang Nan
2015-02-12 12:21 ` [RFC PATCH v2 24/26] early kprobes: core logic to support early kprobe on ftrace Wang Nan
2015-02-12 12:21 ` [RFC PATCH v2 25/26] early kprobes: introduce kconfig option " Wang Nan
2015-02-12 12:21 ` [RFC PATCH v2 26/26] kprobes: enable 'ekprobe=' cmdline option for early kprobes Wang Nan
2015-02-12 12:21 ` [RFC PATCH v2 09/26] ftrace: callchain and ftrace_bug_tryfix Wang Nan
2015-02-13 5:38 ` [RFC PATCH v3 00/26] Early kprobe: enable kprobes at very early booting stage Wang Nan
2015-02-13 17:15 ` Steven Rostedt
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