Re: [PATCH 5/6] ftrace/x86: Add separate function to save regs

[Alexander van Heukelum]

On Mon, Jul 2, 2012, at 16:03, Steven Rostedt wrote:
> Email had 1 attachment:
> + 0005-ftrace-x86-Add-separate-function-to-save-regs.patch
>   23k (text/plain)

Hi Steven,

One thing that caught my eye...

> diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
> index e3e17a0..acd4963 100644
> --- a/arch/x86/kernel/entry_32.S
> +++ b/arch/x86/kernel/entry_32.S
> @@ -1109,6 +1109,7 @@ ENTRY(ftrace_caller)
>  	pushl %eax
>  	pushl %ecx
>  	pushl %edx
> +	pushl $0	/* Pass NULL as regs pointer */
>  	movl 0xc(%esp), %eax

This should now be changed to "0x10(%esp)", right?

Greetings,
    Alexander

>  	movl 0x4(%ebp), %edx
>  	leal function_trace_op, %ecx
> @@ -1118,6 +1119,7 @@ ENTRY(ftrace_caller)
>  ftrace_call:
>  	call ftrace_stub
>  
> +	addl $4,%esp	/* skip NULL pointer */
>  	popl %edx
>  	popl %ecx
>  	popl %eax

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