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2012-05-18Revert "sh: Ensure fixmap and store queue space can co-exist."Paul Mundt2-3/+3
This reverts commit 20e7c297efeca0861adcca073a0d283da659834b. With store queues enabled the area above P4SEG has special properties from the MMU's point of view, which was causing fixmap failure. We'll have to do something else to satisfy the vmalloc range check. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18Merge branch 'sh/evt2irq-migration' into sh-latestPaul Mundt57-523/+625
Conflicts: arch/sh/kernel/cpu/sh3/setup-sh770x.c arch/sh/kernel/cpu/sh3/setup-sh7710.c arch/sh/kernel/cpu/sh3/setup-sh7720.c arch/sh/kernel/cpu/sh4/setup-sh7750.c arch/sh/kernel/cpu/sh4a/setup-sh7343.c arch/sh/kernel/cpu/sh4a/setup-sh7366.c arch/sh/kernel/cpu/sh4a/setup-sh7722.c arch/sh/kernel/cpu/sh4a/setup-sh7723.c arch/sh/kernel/cpu/sh4a/setup-sh7724.c arch/sh/kernel/cpu/sh4a/setup-sh7757.c arch/sh/kernel/cpu/sh4a/setup-sh7763.c arch/sh/kernel/cpu/sh4a/setup-sh7770.c arch/sh/kernel/cpu/sh4a/setup-sh7785.c arch/sh/kernel/cpu/sh4a/setup-sh7786.c Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: legacy PCI evt2irq migration.Paul Mundt9-38/+53
This converts over the legacy PCI IRQs to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: cpu dma evt2irq migration.Paul Mundt3-50/+57
This migrates the cpu-family relative DMA IRQ definitions over to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7763rdp evt2irq migration.Paul Mundt1-2/+3
Migrate sh7763rdp to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sdk7780 evt2irq migration.Paul Mundt1-2/+3
Migrate sdk7780 to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: migor evt2irq migration.Paul Mundt1-6/+7
Migrate migor to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: landisk evt2irq migration.Paul Mundt1-9/+10
Migrate landisk to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: kfr2r09 evt2irq migration.Paul Mundt1-7/+8
Migrate kfr2r09 to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: ecovec24 evt2irq migration.Paul Mundt1-21/+23
Migrate ecovec24 to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: ap325rxa evt2irq migration.Paul Mundt1-7/+8
Migrate ap325rxa to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: urquell evt2irq migration.Paul Mundt1-1/+2
Migrate urquell to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7785lcr evt2irq migration.Paul Mundt1-7/+8
Migrate sh7785lcr to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: hp6xx evt2irq migration.Paul Mundt2-4/+6
Migrate hp6xx to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: mach-se evt2irq migration.Paul Mundt9-42/+52
Migrate Solution Engine boards to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7757lcr evt2irq migration.Paul Mundt1-13/+14
Migrate sh7757lcr to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: magicpanelr2 evt2irq migration.Paul Mundt1-13/+14
Migrate magicpanelr2 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: espt evt2irq migration.Paul Mundt1-1/+2
Migrate espt to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: edosk7760 evt2irq migration.Paul Mundt2-10/+7
Migrate edosk7760 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: edosk7705 evt2irq migration.Paul Mundt1-1/+2
Migrate edosk7705 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7720 evt2irq migration.Paul Mundt1-15/+17
Migrate SH7720 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7710/sh7712 evt2irq migration.Paul Mundt1-6/+7
Migrate SH7710/SH7712 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7706/sh7707/sh7709/sh7709 evt2irq migration.Paul Mundt1-7/+8
Migrate SH770x to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7705 evt2irq migration.Paul Mundt1-6/+7
Migrate SH7705 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7760 evt2irq migration.Paul Mundt1-7/+19
Migrate SH7760 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7750 evt2irq migration.Paul Mundt1-8/+9
Migrate SH7750 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh4-202 evt2irq migration.Paul Mundt1-4/+8
Migrate SH4-202 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh-x3 evt2irq migration.Paul Mundt1-9/+19
Migrate SH-X3 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7785 evt2irq migration.Paul Mundt1-18/+25
Migrate SH7785 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7780 evt2irq migration.Paul Mundt1-15/+22
Migrate SH7780 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7770 evt2irq migration.Paul Mundt1-19/+20
Migrate SH7770 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7763 evt2irq migration.Paul Mundt1-14/+16
Migrate SH7763 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7757 evt2irq migration.Paul Mundt1-44/+44
Migrate SH7757 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7724 evt2irq migration.Paul Mundt1-38/+39
Migrate SH7724 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7723 evt2irq migration.Paul Mundt1-23/+24
Migrate SH7723 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7722 evt2irq migration.Paul Mundt1-23/+24
Migrate SH7722 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7366 evt2irq migration.Paul Mundt1-11/+12
Migrate SH7366 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7343 evt2irq migration.Paul Mundt1-15/+16
Migrate SH7343 to evt2irq() backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18sh: sh7786 evt2irq migration.Paul Mundt1-22/+25
This migrates SH7786 to evt2irq() backed hwirq lookup rather than using an open-coded calculation. This will make it possible to reposition the vector base at a later point in time. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-17sh: Fix mistake of the member variable of plat_sci_port for SH7343Nobuhiro Iwamatsu1-1/+1
The current code was going to initialize irq of plat_sci_port. Not irq, irqs is right. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-16fork: move the real prepare_to_copy() users to arch_dup_task_struct()Suresh Siddha4-13/+7
Historical prepare_to_copy() is mostly a no-op, duplicated for majority of the architectures and the rest following the x86 model of flushing the extended register state like fpu there. Remove it and use the arch_dup_task_struct() instead. Suggested-by: Oleg Nesterov <oleg@redhat.com> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Link: http://lkml.kernel.org/r/1336692811-30576-1-git-send-email-suresh.b.siddha@intel.com Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Howells <dhowells@redhat.com> Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Chris Zankel <chris@zankel.net> Cc: Richard Henderson <rth@twiddle.net> Cc: Russell King <linux@arm.linux.org.uk> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Mark Salter <msalter@redhat.com> Cc: Aurelien Jacquiot <a-jacquiot@ti.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: James E.J. Bottomley <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Chen Liqin <liqin.chen@sunplusct.com> Cc: Lennox Wu <lennox.wu@gmail.com> Cc: David S. Miller <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-05-14sh64: Set additional fault code values.Paul Mundt1-1/+19
The SSR.MD status amongst other things are already made available, which can be used for encoding a more precise fault code value. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-14sh64: Tidy up and consolidate the TLB miss fast path.Paul Mundt1-92/+15
This unifies the fast-path TLB miss handler, allowing for further cleanup and eventual utilization of a shared _32/_64 handler. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-14sh64: Fix up caller-save register settings for fast-path.Paul Mundt1-2/+2
Now that the fast-path handler has been moved, we also need to update the Makefile to ensure that the same restrictions for caller-save registers are observed. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-14sh64: Invert page fault fast-path error path values.Paul Mundt2-19/+19
This brings the sh64 version in line with the sh32 one with regards to how errors are handled. Base work for further unification of the implementations. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-14sh64: Migrate to __update_tlb() API.Paul Mundt3-52/+49
Now that we have a method for finding out if we're handling an ITLB fault or not without passing it all the way down the chain, it's possible to use the __update_tlb() interface in place of a special __do_tlb_refill(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-14sh: Enable shared page fault handler for _32/_64.Paul Mundt5-314/+93
This moves the now generic _32 page fault handling code to a shared place and adapts the _64 implementation to make use of it. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-14sh64: Kill off unused fixed I/O mapping window.Paul Mundt3-6/+2
This was reworked some time ago to go through fixmaps instead, leaving the range itself unused. As such, kill off the remaining references and hand over the remaining space for fixmaps directly. This also makes it possible to simplify the vmalloc fault case as we no longer have to care about the special section. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-14sh: Ensure fixmap and store queue space can co-exist.Paul Mundt2-3/+3
At the moment the top of the fixmap space is calculated from P4SEG, which places it at the end of the store queue space when that API is enabled. Make sure we use P3_ADDR_MAX here instead to find the proper address limit. With this done, it's also possible to switch to the generic vmalloc address range check now that VMALLOC_START/END encapsulate the translatable areas that we care about. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-14sh64: Utilize thread fault code encoding.Paul Mundt2-16/+16
This plugs in fault code encoding for the sh64 page fault, too. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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