Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760460Ab3DDMwl (ORCPT ); Thu, 4 Apr 2013 08:52:41 -0400 Received: from seldrel01.sonyericsson.com ([212.209.106.2]:6505 "EHLO seldrel01.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760288Ab3DDMwH convert rfc822-to-8bit (ORCPT ); Thu, 4 Apr 2013 08:52:07 -0400 From: Oskar Andero To: CC: , , , , , , , Subject: [PATCH v2 3/4] kprobes: move x86-specific blacklist symbols to arch directory Date: Thu, 4 Apr 2013 14:51:28 +0200 Message-ID: <1365079889-21525-4-git-send-email-oskar.andero@sonymobile.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1365079889-21525-1-git-send-email-oskar.andero@sonymobile.com> References: <1365079889-21525-1-git-send-email-oskar.andero@sonymobile.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2134 Lines: 57 From: Björn Davidsson The common kprobes blacklist contains x86-specific symbols. Looking for these in kallsyms takes unnecessary time during startup on non-X86 platform. The symbols where moved to arch/x86/kernel/kprobes/core.c. Cc: Masami Hiramatsu Cc: David S. Miller Cc: linux-arch@vger.kernel.org Reviewed-by: Radovan Lekanovic Signed-off-by: Björn Davidsson Signed-off-by: Oskar Andero --- arch/x86/kernel/kprobes/core.c | 6 +++++- kernel/kprobes.c | 3 --- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 4aa71a5..41ce6c1 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -65,7 +65,11 @@ void jprobe_return_end(void); DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL; DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); -const char * const arch_kprobes_blacksyms[] = {}; +const char * const arch_kprobes_blacksyms[] = { + "native_get_debugreg", + "irq_entries_start", + "common_interrupt", +}; const size_t arch_kprobes_blacksyms_size = ARRAY_SIZE(arch_kprobes_blacksyms); #define stack_addr(regs) ((unsigned long *)kernel_stack_pointer(regs)) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 7654278..58c9f4e 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -95,9 +95,6 @@ static raw_spinlock_t *kretprobe_table_lock_ptr(unsigned long hash) */ static const char * const common_kprobes_blacksyms[] = { "preempt_schedule", - "native_get_debugreg", - "irq_entries_start", - "common_interrupt", "mcount", /* mcount can be called from everywhere */ }; static const size_t common_kprobes_blacksyms_size = -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/