On Mon, May 06, 2019 at 09:34:55AM +0200, Rasmus Villemoes wrote:
> I _am_ bending the C rules a bit with the "extern some_var; asm
> volatile(".section some_section\nsome_var: blabla");". I should probably
> ask on the gcc list whether this way of defining a local symbol in
> inline assembly and r
* Rasmus Villemoes wrote:
> I _am_ bending the C rules a bit with the "extern some_var; asm
> volatile(".section some_section\nsome_var: blabla");". I should
> probably ask on the gcc list whether this way of defining a local
> symbol in inline assembly and referring to it from C is supposed
On 06/05/2019 09.05, Ingo Molnar wrote:
>
>
> It's sad to see such nice data footprint savings go the way of the dodo
> just because GCC 4.8 is buggy.
>
> The current compatibility cut-off is GCC 4.6:
>
> GNU C 4.6 gcc --version
>
> Do we know where the GCC bug
* Rasmus Villemoes wrote:
> On 09/04/2019 23.25, Rasmus Villemoes wrote:
>
> > While refreshing these patches, which were orignally just targeted at
> > x86-64, it occured to me that despite the implementation relying on
> > inline asm, there's nothing x86 specific about it, and indeed it seem
On 09/04/2019 23.25, Rasmus Villemoes wrote:
> While refreshing these patches, which were orignally just targeted at
> x86-64, it occured to me that despite the implementation relying on
> inline asm, there's nothing x86 specific about it, and indeed it seems
> to work out-of-the-box for ppc64 and
Similar to CONFIG_GENERIC_BUG_RELATIVE_POINTERS that replaces (8 byte)
const char* members by (4 byte) signed offsets from the bug_entry,
this implements the similar thing for struct _ddebug, the descriptors
underlying pr_debug() and friends in a CONFIG_DYNAMIC_DEBUG kernel.
Since struct _ddebug h