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* [POWERPC] irqtrace support for 64-bit powerpcBenjamin Herrenschmidt2008-04-181-3/+3
| | | | | | | | | | | | | This adds the low level irq tracing hooks to the powerpc architecture needed to enable full lockdep functionality. This is partly based on Johannes Berg's initial version. I removed the asm trampoline that isn't needed (thus improving performance) and modified all sorts of bits and pieces, reworking most of the assembly, etc... Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Move lowlevel runlatch calls under cpu feature controlOlof Johansson2007-09-141-0/+2
| | | | | | | | There's no need to call the runlatch on functions on processors that don't implement them (CPU_FTR_CTRL). Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Split out iSeries specific exception macrosStephen Rothwell2007-08-221-59/+12
| | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Move the exception macros into a header fileStephen Rothwell2007-08-221-0/+356
It makes head_64.S a bit more readable and will allow us to move the iSeries exceptions elsewhere. This also removes the last line of the comment: * The following macros define the code that appears as * the prologue to each of the exception handlers. They * are split into two parts to allow a single kernel binary * to be used for pSeries and iSeries. * LOL. One day... - paulus Anything is possible. :-) Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
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