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SubjectRe: [PATCH] x86/process: Export start_thread()
On 2018-08-19 19:29, Andy Lutomirski wrote:
>> On Aug 19, 2018, at 4:08 PM, Rian Hunter <rian@alum.mit.edu> wrote:
>>
>> Commit e634d8fc792c ("x86-64: merge the standard and compat
>> start_thread() functions") removed exporting for the start_thread()
>> function in what seems like a typo. Add it back to
>> arch/x86/kernel/process_64.c for parity with process_32.c and other
>> arch.
>
> What for? Perhaps 32-bit could remove it instead?
>

Came across this while writing a binfmt module. Useful for me but
probably no one else on Earth, at least for another ~9 years on average.

>> Signed-off-by: Rian Hunter <rian@alum.mit.edu>
>> ---
>> arch/x86/kernel/process_64.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/x86/kernel/process_64.c
>> b/arch/x86/kernel/process_64.c
>> index 476e3ddf8890..a451bc374b9b 100644
>> --- a/arch/x86/kernel/process_64.c
>> +++ b/arch/x86/kernel/process_64.c
>> @@ -384,6 +384,7 @@ start_thread(struct pt_regs *regs, unsigned long
>> new_ip, unsigned long new_sp)
>> start_thread_common(regs, new_ip, new_sp,
>> __USER_CS, __USER_DS, 0);
>> }
>> +EXPORT_SYMBOL_GPL(start_thread);
>>
>> #ifdef CONFIG_COMPAT
>> void compat_start_thread(struct pt_regs *regs, u32 new_ip, u32 new_sp)
>> --
>> 2.16.3
>>

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