talos-obmc-linux/include/asm-xtensa/system.h, branch v3.10-rc5

xtensa: move headers files to arch/xtensa/include

2008-11-06T18:25:09+00:00

Move all header files for xtensa to arch/xtensa/include and platform and variant header files to the appropriate arch/xtensa/platforms/ and arch/xtensa/variants/ directories. Moving the files gets also rid of all uses of symlinks in the Makefile. This has been completed already for the majority of the architectures and xtensa is one out of six missing. Signed-off-by: Sam Ravnborg Signed-off-by: Chris Zankel

[XTENSA] Add support for configurable registers and coprocessors

2008-02-14T01:41:43+00:00

The Xtensa architecture allows to define custom instructions and registers. Registers that are bound to a coprocessor are only accessible if the corresponding enable bit is set, which allows to implement a 'lazy' context switch mechanism. Other registers needs to be saved and restore at the time of the context switch or during interrupt handling. This patch adds support for these additional states: - save and restore registers that are used by the compiler upon interrupt entry and exit. - context switch additional registers unbound to any coprocessor - 'lazy' context switch of registers bound to a coprocessor - ptrace interface to provide access to additional registers - update configuration files in include/asm-xtensa/variant-fsf Signed-off-by: Chris Zankel

Add cmpxchg_local to xtensa

2008-02-07T16:42:33+00:00

Use the architecture specific __cmpxchg_u32 for 32 bits cmpxchg)_local. Else, use the new generic cmpxchg_local (disables interrupt). Signed-off-by: Mathieu Desnoyers Cc: Chris Zankel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

Remove tas()

2007-05-08T18:15:20+00:00

tas() has no users, so get rid of it. Signed-off-by: Jeff Dike Cc: Cc: Paolo 'Blaisorblade' Giarrusso Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] xtensa: remove extra header files

2006-12-10T17:55:39+00:00

The Xtensa port contained many header files that were never needed. This rather lengthy patch removes all those files. Unfortunately, there were many dependencies that needed to be updated, so this patch touches quite a few source files. Signed-off-by: Chris Zankel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] remove set_wmb - arch removal

2006-07-15T04:56:14+00:00

set_wmb should not be used in the kernel because it just confuses the code more and has no benefit. Since it is not currently used in the kernel this patch removes it so that new code does not include it. All archs define set_wmb(var, value) to do { var = value; wmb(); } while(0) except ia64 and sparc which use a mb() instead. But this is still moot since it is not used anyway. Hasn't been tested on any archs but x86 and x86_64 (and only compiled tested) Signed-off-by: Steven Rostedt Signed-off-by: Linus Torvalds

Don't include linux/config.h from anywhere else in include/

2006-04-26T11:56:16+00:00

Signed-off-by: David Woodhouse

[PATCH] Remove unused prepare_to_switch macro

2006-04-11T13:18:34+00:00

Remove unused prepare_to_switch() macros. Signed-off-by: Hirokazu Takata Cc: Mikael Starvik Cc: David Howells Cc: Yoshinori Sato Cc: Miles Bader Cc: Chris Zankel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] xtensa: remove io_remap_page_range and minor clean-ups

2005-09-23T05:17:37+00:00

Remove io_remap_page_range() from all of Linux 2.6.x (as requested and suggested by Randy Dunlap) and minor clean-ups. Signed-off-by: Chris Zankel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] xtensa: replace 'extern inline' with 'static inline'

2005-09-05T07:06:25+00:00

"extern inline" doesn't make sense. Signed-off-by: Adrian Bunk Signed-off-by: Chris Zankel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds