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* [LIB]: Consolidate _atomic_dec_and_lock()David S. Miller2005-09-15
| | | | | | | | | | | | Several implementations were essentialy a common piece of C code using the cmpxchg() macro. Put the implementation in one spot that everyone can share, and convert sparc64 over to using this. Alpha is the lone arch-specific implementation, which codes up a special fast path for the common case in order to avoid GP reloading which a pure C version would require. Signed-off-by: David S. Miller <davem@davemloft.net>
* [IA64] Manual merge fix for 3 filesTony Luck2005-09-08
|\ | | | | | | | | | | | | | | arch/ia64/Kconfig arch/ia64/kernel/acpi.c include/asm-ia64/irq.h Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [PATCH] Kprobes: prevent possible race conditions ia64 changesPrasanna S Panchamukhi2005-09-07
| | | | | | | | | | | | | | | | | | This patch contains the ia64 architecture specific changes to prevent the possible race conditions. Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [IA64] make exception handler in copy_user more robustChen, Kenneth W2005-09-07
|/ | | | | | | | | | | | | | The exception handler in copy user always expects fault occurs only on user space address and the fall back recovery code is written with that very assumption in mind. Recent source code inspection revealed that while it worked splendid and to the expectation under normal circumstances, It broke down under unexpected condition where some address calculation might go outside the legal address range the original copy_user was called for. This patch is to make copy_user exception handler more robust and to prevent potential memory corruption. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* Pull pending-2.6.14 into release branchTony Luck2005-08-29
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| * [IA64] Delete erroneous copy_page.o in global lib-y listKenneth Chen2005-08-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | copy_page.o appeared twice in arch/ia64/lib/Makefile. The one in global lib-y is wrong where it should be just in lib-$(CONFIG_ITANIUM). Both copy_page.o and copy_page_mck.o are build for Itanium2 processor and the link order will pick up the low performing copy_page function (originally written for itanium processor). In this case, we really want the copy_page_mck.o for optimized version. Signed-off-by: Kenneth Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [IA64, X86_64] fix swiotlb sizingAlex Williamson2005-08-18
|/ | | | | | | | | | | | | | Fix swiotlb sizing to match what the comments and the kernel parameters documentation indicate. Given a default 16k page size kernel (ia64) and a 2k swiotlb page size, we're off by a multiple of 8 trying to size the swiotlb. When specified on the boot line, the swiotlb is made 8x bigger than requested. When left to the default value, it's 8x smaller than the comments indicate. For x86_64 the multiplier would be 2x. The patch below fixes this. Now, what's a good default swiotlb size? Apparently we don't really need 64MB. Signed-off-by: Alex Williamson <alex.williamson@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] improve flush_icache_range()Zoltan Menyhart2005-07-12
| | | | | | | | | Check with PAL to see what the i-cache line size is for each level of the cache, and so use the correct stride when flushing the cache. Acked-by: David Mosberger Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] use fc.i for fluch_icache_range()David Mosberger-Tang2005-05-03
| | | | | | | | | | | | This is a small patch to switch fluch_icache_range() to use fc.i instead of fc. This would save time on processors which can establish i-cache coherency without flushing the cache-line out to memory (not that any current processors do). On existing processors, fc.i behaves like fc. The only caveat is that very old assemblers may not know about fc.i yet. Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] fix typos caught by new assemblerDavid Mosberger-Tang2005-05-03
| | | | | | | | | | | | Patch below fixes 3 trivial typos which are caught by the new assembler (v2.169.90). Please apply. [Note: fix to memcpy that was also part of this patch was separately applied from patches by H.J. and Andreas ... so the delta here only has the other two fixes. -Tony] Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Fix memcpy_mck.S for current binutilsAndreas Schwab2005-05-03
| | | | | | | | The current ia64 assembler complains about mismatching .proc/.endp pairs. (Same patch also sent by H.J. Lu) Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] __copy_user breaks on unaligned srcKeith Owens2005-04-25
| | | | | | | | | | | memcpy_mck.S::__copy_user breaks in the prefetch code under these conditions :- * src is unaligned and * dst is near the end of a page and * the page after dst is unmapped. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-16
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!