Re: [PATCH] x86/process: Export start_thread()
> On Aug 20, 2018, at 12:30 AM, Thomas Gleixner wrote: > > On Sun, 19 Aug 2018, Andy Lutomirski wrote: >>> On Aug 19, 2018, at 4:08 PM, Rian Hunter 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? > > No. start_thread() is called from various binfmt implementations which can > be built as modules. Fair enough. I’m fine with the patch. > > Thanks, > >tglx
Re: [PATCH] x86/process: Export start_thread()
> On Aug 20, 2018, at 12:30 AM, Thomas Gleixner wrote: > > On Sun, 19 Aug 2018, Andy Lutomirski wrote: >>> On Aug 19, 2018, at 4:08 PM, Rian Hunter 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? > > No. start_thread() is called from various binfmt implementations which can > be built as modules. Fair enough. I’m fine with the patch. > > Thanks, > >tglx
Re: [PATCH] x86/process: Export start_thread()
On Sun, 19 Aug 2018, Andy Lutomirski wrote: > > On Aug 19, 2018, at 4:08 PM, Rian Hunter 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? No. start_thread() is called from various binfmt implementations which can be built as modules. Thanks, tglx
Re: [PATCH] x86/process: Export start_thread()
On Sun, 19 Aug 2018, Andy Lutomirski wrote: > > On Aug 19, 2018, at 4:08 PM, Rian Hunter 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? No. start_thread() is called from various binfmt implementations which can be built as modules. Thanks, tglx
Re: [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 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 --- 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
Re: [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 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 --- 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
Re: [PATCH] x86/process: Export start_thread()
> On Aug 19, 2018, at 4:08 PM, Rian Hunter 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? > > Signed-off-by: Rian Hunter > --- > 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 >
Re: [PATCH] x86/process: Export start_thread()
> On Aug 19, 2018, at 4:08 PM, Rian Hunter 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? > > Signed-off-by: Rian Hunter > --- > 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 >
[PATCH] x86/process: Export start_thread()
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. Signed-off-by: Rian Hunter --- 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
[PATCH] x86/process: Export start_thread()
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. Signed-off-by: Rian Hunter --- 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