On 03/24/2015 07:44 PM, Ingo Molnar wrote:
> From 11e2761ba0969466299b7109eba749d2292e8796 Mon Sep 17 00:00:00 2001
> From: Ingo Molnar <[email protected]>
> Date: Tue, 24 Mar 2015 19:18:41 +0100
> Subject: [PATCH] x86/asm/entry/64: Merge the field offset into the
> THREAD_INFO() macro
>
> Before:
>
> TI_sysenter_return+THREAD_INFO(%rsp,3*8),%r10d
>
> After:
>
> movl THREAD_INFO(TI_sysenter_return, %rsp, 3*8), %r10d
>
> to turn it into a clear thread_info accessor.
Good idea, I also wanted to do this.
I propose a more C-like order of arguments instead.
In C, field names are on the right: obj.field, ptr->field.
THREAD_INFO(%rsp, 3*8, TI_field_name)
would suggest to the reader a pseudo-C construct:
THREAD_INFO(sp, offset)->field_name
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