On Wed, 10 Feb 2016, Torsten Duwe wrote:
> diff --git a/arch/powerpc/include/asm/livepatch.h
> b/arch/powerpc/include/asm/livepatch.h
> new file mode 100644
> index 000..44e8a2d
> --- /dev/null
> +++ b/arch/powerpc/include/asm/livepatch.h
> @@ -0,0 +1,45 @@
> +/*
> + * livepatch.h - powerpc-s
On Tue, Feb 02, 2016 at 04:46:27PM +0300, Denis Kirjanov wrote:
> > +
> > +#ifdef CONFIG_LIVEPATCH
> > +static inline int klp_check_compiler_support(void)
> > +{
> > +#if !defined(_CALL_ELF) || _CALL_ELF != 2 ||
> > !defined(CC_USING_MPROFILE_KERNEL)
> > + return 1;
> > +#endif
> > + return 0;
* create the appropriate files+functions
arch/powerpc/include/asm/livepatch.h
klp_check_compiler_support,
klp_arch_set_pc
arch/powerpc/kernel/livepatch.c with a stub for
klp_write_module_reloc
This is architecture-independent work in progress.
* introduce a f
* create the appropriate files+functions
arch/powerpc/include/asm/livepatch.h
klp_check_compiler_support,
klp_arch_set_pc
arch/powerpc/kernel/livepatch.c with a stub for
klp_write_module_reloc
This is architecture-independent work in progress.
* introduce a f
On Tue, 2 Feb 2016, Petr Mladek wrote:
> Note that TOC is not set only when the problematic functions are
> compiled with --mprofile-kernel. I still see the TOC stuff when
> compiling only with -pg.
I don't see how this wouldn't be a gcc bug.
No matter whether it's plain profiling call (-pg) o
On Tue 2016-02-02 16:45:23, Torsten Duwe wrote:
> On Tue, Feb 02, 2016 at 01:12:24PM +0100, Petr Mladek wrote:
> >
> > Hmm, the size of the offset is not a constant. In particular, leaf
> > functions do not set TOC before the mcount location.
>
> To be slightly more precise, a leaf function that
On Tue, Feb 02, 2016 at 01:12:24PM +0100, Petr Mladek wrote:
>
> Hmm, the size of the offset is not a constant. In particular, leaf
> functions do not set TOC before the mcount location.
To be slightly more precise, a leaf function that additionally uses
no global data. No global function calls,
On 1/25/16, Torsten Duwe wrote:
> * create the appropriate files+functions
> arch/powerpc/include/asm/livepatch.h
> klp_check_compiler_support,
> klp_arch_set_pc
> arch/powerpc/kernel/livepatch.c with a stub for
> klp_write_module_reloc
> This is architecture-
On Tue 2016-01-26 13:48:53, Petr Mladek wrote:
> On Tue 2016-01-26 11:50:25, Miroslav Benes wrote:
> >
> > [ added Petr to CC list ]
> >
> > On Mon, 25 Jan 2016, Torsten Duwe wrote:
> >
> > > * create the appropriate files+functions
> > > arch/powerpc/include/asm/livepatch.h
> > >
+++ Miroslav Benes [26/01/16 15:14 +0100]:
[ Jessica added to CC list so she is aware that there are plans to
implement livepatch on ppc64le ]
On Tue, 26 Jan 2016, Torsten Duwe wrote:
On Tue, Jan 26, 2016 at 11:50:25AM +0100, Miroslav Benes wrote:
> > + */
> > +int klp_write_module_reloc(stru
[ Jessica added to CC list so she is aware that there are plans to
implement livepatch on ppc64le ]
On Tue, 26 Jan 2016, Torsten Duwe wrote:
> On Tue, Jan 26, 2016 at 11:50:25AM +0100, Miroslav Benes wrote:
> > > + */
> > > +int klp_write_module_reloc(struct module *mod, unsigned long type,
> >
On Tue, Jan 26, 2016 at 11:50:25AM +0100, Miroslav Benes wrote:
> > + */
> > +int klp_write_module_reloc(struct module *mod, unsigned long type,
> > + unsigned long loc, unsigned long value)
> > +{
> > + /* This requires infrastructure changes; we need the loadinfos. */
> >
On Tue, Jan 26, 2016 at 01:48:53PM +0100, Petr Mladek wrote:
> On Tue 2016-01-26 11:50:25, Miroslav Benes wrote:
> >
> > We still need Petr's patch from [1] to make livepatch work, right? Could
> > you, please, add it to this patch set to make it self-sufficient?
It's Petr's patch, I don't want
On Tue 2016-01-26 11:50:25, Miroslav Benes wrote:
>
> [ added Petr to CC list ]
>
> On Mon, 25 Jan 2016, Torsten Duwe wrote:
>
> > * create the appropriate files+functions
> > arch/powerpc/include/asm/livepatch.h
> > klp_check_compiler_support,
> > klp_arch_set_pc
> > a
[ added Petr to CC list ]
On Mon, 25 Jan 2016, Torsten Duwe wrote:
> * create the appropriate files+functions
> arch/powerpc/include/asm/livepatch.h
> klp_check_compiler_support,
> klp_arch_set_pc
> arch/powerpc/kernel/livepatch.c with a stub for
> klp_write_mod
* create the appropriate files+functions
arch/powerpc/include/asm/livepatch.h
klp_check_compiler_support,
klp_arch_set_pc
arch/powerpc/kernel/livepatch.c with a stub for
klp_write_module_reloc
This is architecture-independent work in progress.
* introduce a f
* create the appropriate files+functions
arch/powerpc/include/asm/livepatch.h
klp_check_compiler_support,
klp_arch_set_pc
arch/powerpc/kernel/livepatch.c with a stub for
klp_write_module_reloc
This is architecture-independent work in progress.
* introduce a f
On Thu, Dec 03, 2015 at 05:24:45PM +0100, Petr Mladek wrote:
> > +++ b/arch/powerpc/include/asm/livepatch.h
> > @@ -0,0 +1,45 @@
> [...]
> > +#include
> > +#include
> > +
> > +#ifdef CONFIG_LIVEPATCH
> > +static inline int klp_check_compiler_support(void)
> > +{
> > +#if !defined(_CALL_ELF) || _C
On Wed 2015-11-25 17:48:36, Torsten Duwe wrote:
> * create the appropriate files+functions
> arch/powerpc/include/asm/livepatch.h
> klp_check_compiler_support,
> klp_arch_set_pc
> arch/powerpc/kernel/livepatch.c with a stub for
> klp_write_module_reloc
> This i
* create the appropriate files+functions
arch/powerpc/include/asm/livepatch.h
klp_check_compiler_support,
klp_arch_set_pc
arch/powerpc/kernel/livepatch.c with a stub for
klp_write_module_reloc
This is architecture-independent work in progress.
* introduce a f
* create the appropriate files+functions
arch/powerpc/include/asm/livepatch.h
klp_check_compiler_support,
klp_arch_set_pc
arch/powerpc/kernel/livepatch.c with a stub for
klp_write_module_reloc
This is architecture-independent work in progress.
* introduce a f
21 matches
Mail list logo
