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SubjectRe: [PATCH] csky: Fixup calltrace panic
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On 5/22/20 8:28 AM, Guo Ren wrote:
> Hi,
>
> On Thu, May 21, 2020 at 10:46 PM Guenter Roeck <linux@roeck-us.net> wrote:
>>> We tested it with https://github.com/c-sky/gcc (gcc-6.3)
>>>
>>
>> That won't work for me. You really might want to consider
>> supporting upstream gcc. I'll try disabling CONFIG_STACKTRACE
>> for csky build tests. If that doesn't work, I may have to
>> disable affected csky build tests for the time being.
>>
>> Guenter
>
> Not only CONFIG_STACKTRACE,
> Disable FRAME_POINTER (Kernel hacking -> Compile the kernel with frame pointers)
>

You are correct. This is what my test builder now does:

Build reference: v5.7-rc6-37-g115a54162a6c
gcc version: csky-linux-gcc (GCC) 9.3.0

Configuration file workarounds:
"s/CONFIG_FRAME_POINTER=y/# CONFIG_FRAME_POINTER is not set/"

Building csky:defconfig ... passed
Building csky:allnoconfig ... passed
Building csky:tinyconfig ... passed

Guenter

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