Re: [PATCH v2 1/6] Add new macros for page-aligned data and bss sections.

2009-05-01 Thread Sam Ravnborg
On Thu, Apr 30, 2009 at 03:54:08PM -0400, Tim Abbott wrote: This patch is preparation for replacing most uses of .bss.page_aligned and .data.page_aligned in the kernel with macros, so that the section name can later be changed without having to touch a lot of the kernel. The long-term goal

Re: [PATCH v2 1/6] Add new macros for page-aligned data and bss sections.

2009-05-01 Thread Tim Abbott
On Fri, 1 May 2009, Sam Ravnborg wrote: On Thu, Apr 30, 2009 at 03:54:08PM -0400, Tim Abbott wrote: +#define __PAGE_ALIGNED_DATA.section .data.page_aligned, aw, @progbits +#define __PAGE_ALIGNED_BSS .section .bss.page_aligned, aw, @nobits It is my understanding that the linker

Re: [PATCH v2 1/6] Add new macros for page-aligned data and bss sections.

2009-05-01 Thread H. Peter Anvin
Tim Abbott wrote: On Fri, 1 May 2009, Sam Ravnborg wrote: On Thu, Apr 30, 2009 at 03:54:08PM -0400, Tim Abbott wrote: +#define __PAGE_ALIGNED_DATA.section .data.page_aligned, aw, @progbits +#define __PAGE_ALIGNED_BSS .section .bss.page_aligned, aw, @nobits It is my understanding

Re: [PATCH v2 1/6] Add new macros for page-aligned data and bss sections.

2009-05-01 Thread Sam Ravnborg
On Fri, May 01, 2009 at 09:33:13AM -0700, H. Peter Anvin wrote: Tim Abbott wrote: On Fri, 1 May 2009, Sam Ravnborg wrote: On Thu, Apr 30, 2009 at 03:54:08PM -0400, Tim Abbott wrote: +#define __PAGE_ALIGNED_DATA .section .data.page_aligned, aw, @progbits +#define

Re: [PATCH v2 1/6] Add new macros for page-aligned data and bss sections.

2009-05-01 Thread H. Peter Anvin
Sam Ravnborg wrote: On Fri, May 01, 2009 at 09:33:13AM -0700, H. Peter Anvin wrote: Tim Abbott wrote: On Fri, 1 May 2009, Sam Ravnborg wrote: On Thu, Apr 30, 2009 at 03:54:08PM -0400, Tim Abbott wrote: +#define __PAGE_ALIGNED_DATA .section .data.page_aligned, aw, @progbits +#define

Re: [PATCH v2 1/6] Add new macros for page-aligned data and bss sections.

2009-05-01 Thread Sam Ravnborg
On Fri, May 01, 2009 at 10:18:20AM -0700, H. Peter Anvin wrote: Sam Ravnborg wrote: On Fri, May 01, 2009 at 09:33:13AM -0700, H. Peter Anvin wrote: Tim Abbott wrote: On Fri, 1 May 2009, Sam Ravnborg wrote: On Thu, Apr 30, 2009 at 03:54:08PM -0400, Tim Abbott wrote: +#define

Re: [PATCH v2 1/6] Add new macros for page-aligned data and bss sections.

2009-05-01 Thread H. Peter Anvin
Sam Ravnborg wrote: What's wrong with @? arm does not support it :-( I recall it denote a comment in arm assembler. I could do some magic to detect the ARM case but I'm reluctant to do so. I could also ignore the arm issue for now as it is not used by arm, but that strikes me as the wrong

Re: [PATCH v2 1/6] Add new macros for page-aligned data and bss sections.

2009-05-01 Thread Andreas Schwab
H. Peter Anvin h...@zytor.com writes: Sam Ravnborg wrote: What's wrong with @? arm does not support it :-( I recall it denote a comment in arm assembler. I could do some magic to detect the ARM case but I'm reluctant to do so. I could also ignore the arm issue for now as it is not used

[PATCH v2 1/6] Add new macros for page-aligned data and bss sections.

2009-04-30 Thread Tim Abbott
This patch is preparation for replacing most uses of .bss.page_aligned and .data.page_aligned in the kernel with macros, so that the section name can later be changed without having to touch a lot of the kernel. The long-term goal here is to be able to change the kernel's magic section names to