On 11/10/2015 2:37 AM, Catalin Marinas wrote:
On Mon, Nov 09, 2015 at 10:09:55AM -0800, Yang Shi wrote:
FRAME_POINTER is defined in lib/Kconfig.debug, it is unnecessary to redefine
it in arch/arm64/Kconfig.debug. Actually, the one defined in arm64 directory
is never used.
That's not true since
On Tue, Nov 10, 2015 at 07:43:35PM +0800, yalin wang wrote:
> > On Nov 10, 2015, at 19:35, Catalin Marinas wrote:
> > On Tue, Nov 10, 2015 at 07:09:00PM +0800, yalin wang wrote:
> >> i have a question,
> >> why FRAME_POINTER config must be enabled ?
> >> and i see ARM arch can disable this confi
> On Nov 10, 2015, at 19:35, Catalin Marinas wrote:
>
> On Tue, Nov 10, 2015 at 07:09:00PM +0800, yalin wang wrote:
>>> On Nov 10, 2015, at 18:37, Catalin Marinas wrote:
>>>
>>> On Mon, Nov 09, 2015 at 10:09:55AM -0800, Yang Shi wrote:
FRAME_POINTER is defined in lib/Kconfig.debug, it is
On Tue, Nov 10, 2015 at 07:09:00PM +0800, yalin wang wrote:
> > On Nov 10, 2015, at 18:37, Catalin Marinas wrote:
> >
> > On Mon, Nov 09, 2015 at 10:09:55AM -0800, Yang Shi wrote:
> >> FRAME_POINTER is defined in lib/Kconfig.debug, it is unnecessary to
> >> redefine
> >> it in arch/arm64/Kconfi
> On Nov 10, 2015, at 18:37, Catalin Marinas wrote:
>
> On Mon, Nov 09, 2015 at 10:09:55AM -0800, Yang Shi wrote:
>> FRAME_POINTER is defined in lib/Kconfig.debug, it is unnecessary to redefine
>> it in arch/arm64/Kconfig.debug. Actually, the one defined in arm64 directory
>> is never used.
>
On Mon, Nov 09, 2015 at 10:09:55AM -0800, Yang Shi wrote:
> FRAME_POINTER is defined in lib/Kconfig.debug, it is unnecessary to redefine
> it in arch/arm64/Kconfig.debug. Actually, the one defined in arm64 directory
> is never used.
That's not true since the arm64 definition seems to take preceden
FRAME_POINTER is defined in lib/Kconfig.debug, it is unnecessary to redefine
it in arch/arm64/Kconfig.debug. Actually, the one defined in arm64 directory
is never used.
This adds a dependency on DEBUG_KERNEL for building with frame pointers.
ARM64 depends on frame pointer to get correct stack back
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