Re: [PATCH] x86/process: Export start_thread()

From: Rian Hunter
Date: Mon Aug 20 2018 - 00:34:55 EST

On 2018-08-19 19:29, Andy Lutomirski wrote:
On Aug 19, 2018, at 4:08 PM, Rian Hunter <rian@xxxxxxxxxxxx> 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

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@xxxxxxxxxxxx>
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);

void compat_start_thread(struct pt_regs *regs, u32 new_ip, u32 new_sp)