From: Steven Rostedt Date: Thu, 11 Aug 2011 02:00:55 +0000 (-0400) Subject: ftrace/x86_32: Push ftrace_ops in as 3rd parameter to function tracer X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=28fb5dfa783c25dbeeb25a72663f8066a3a517f5;p=openwrt%2Fstaging%2Fblogic.git ftrace/x86_32: Push ftrace_ops in as 3rd parameter to function tracer Add support of passing the current ftrace_ops into the 3rd parameter of the callback to the function tracer. Link: http://lkml.kernel.org/r/20120612225424.942411318@goodmis.org Reviewed-by: Masami Hiramatsu Signed-off-by: Steven Rostedt --- diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index 783b107eacbc..b3bb1f3f2773 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -32,7 +32,7 @@ #define MCOUNT_ADDR ((long)(mcount)) #define MCOUNT_INSN_SIZE 5 /* sizeof mcount call */ -#if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_X86_64) +#ifdef CONFIG_DYNAMIC_FTRACE #define ARCH_SUPPORTS_FTRACE_OPS 1 #endif diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 623f28837476..e3e17a0b7ff8 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1111,6 +1111,7 @@ ENTRY(ftrace_caller) pushl %edx movl 0xc(%esp), %eax movl 0x4(%ebp), %edx + leal function_trace_op, %ecx subl $MCOUNT_INSN_SIZE, %eax .globl ftrace_call