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2007-05-02[PATCH] x86: Allow percpu variables to be page-alignedJeremy Fitzhardinge
Let's allow page-alignment in general for per-cpu data (wanted by Xen, and Ingo suggested KVM as well). Because larger alignments can use more room, we increase the max per-cpu memory to 64k rather than 32k: it's getting a little tight. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Andi Kleen <ak@suse.de> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2007-04-30Merge branch 'linux-2.6' into for-2.6.22Paul Mackerras
2007-04-26[STRING]: Move strcasecmp/strncasecmp to lib/string.cDavid S. Miller
We have several platforms using local copies of identical code. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-22[POWERPC] Remove last_syscallAnton Blanchard
Remove last_syscall from 32bit powerpc, its been gone in 64bit for years. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-02-14[PATCH] sysctl: remove insert_at_head from register_sysctlEric W. Biederman
The semantic effect of insert_at_head is that it would allow new registered sysctl entries to override existing sysctl entries of the same name. Which is pain for caching and the proc interface never implemented. I have done an audit and discovered that none of the current users of register_sysctl care as (excpet for directories) they do not register duplicate sysctl entries. So this patch simply removes the support for overriding existing entries in the sys_sysctl interface since no one uses it or cares and it makes future enhancments harder. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Andi Kleen <ak@muc.de> Cc: Jens Axboe <axboe@kernel.dk> Cc: Corey Minyard <minyard@acm.org> Cc: Neil Brown <neilb@suse.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jan Kara <jack@ucw.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Mark Fasheh <mark.fasheh@oracle.com> Cc: David Chinner <dgc@sgi.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-14[PATCH] sysctl: C99 convert ctl_tables entries in arch/ppc/kernel/ppc_htab.cEric W. Biederman
And make the mode of the kernel directory 0555 no one is allowed to write to sysctl directories. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-13[POWERPC] 85xx: Drop use of SYNC macro in head_fsl_booke.SBecky Bruce
Eliminate needless invocation of the SYNC macro (which always evaluates to nothing on BookE) from head_fsl_booke.S (for both arch/ppc & arch/powerpc). Signed-off-by: Becky Bruce <becky.bruce@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-02-12Merge branch 'master' into 85xxKumar Gala
2007-02-12[POWERPC] 85xx: Don't write reserved values to MAS1[TSIZE]Becky Bruce
Some of the current tlbwe instructions early on in head_fsl_booke.S take advantage of unarchitected behavior that allows the writing of reserved values to the TSIZE field. This patch corrects that, as well as an error where an uninitialized (by linux) value was written into a MAS register and used for a tlbwe. Correct this for both arch/ppc and arch/powerpc. Signed-off-by: Becky Bruce <becky.bruce@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-02-13Merge branch 'for_paulus' of ↵Paul Mackerras
master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
2007-02-12[PATCH] Dynamic kernel command-line: ppcAlon Bar-Lev
Rename saved_command_line into boot_command_line. Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-11[PATCH] disable init/initramfs.c: architecturesJean-Paul Saman
Update all arch/*/kernel/vmlinux.lds.S to not include space for initramfs when CONFIG_BLK_DEV_INITRAMFS is not selected. This saves another 4 kbytes on most platfoms (some reserve PAGE_SIZE for initramfs). Signed-off-by: Jean-Paul Saman <jean-paul.saman@nxp.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-09[PPC] Fix compile error for e500 core based processorsRojhalat Ibrahim
We get the following compiler error: CC arch/ppc/kernel/ppc_ksyms.o arch/ppc/kernel/ppc_ksyms.c:275: error: '__mtdcr' undeclared here (not in a function) arch/ppc/kernel/ppc_ksyms.c:275: warning: type defaults to 'int' in declaration of '__mtdcr' arch/ppc/kernel/ppc_ksyms.c:276: error: '__mfdcr' undeclared here (not in a function) arch/ppc/kernel/ppc_ksyms.c:276: warning: type defaults to 'int' in declaration of '__mfdcr' make[1]: *** [arch/ppc/kernel/ppc_ksyms.o] Error 1 This is due to the EXPORT_SYMBOL for __mtdcr/__mfdcr not having the proper CONFIG protection Signed-off-by: Rojhalat Ibrahim <imr@rtschenk.de> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-02-07[POWERPC] Compile fixes for arch/powerpc dcr codeDavid Gibson
The new dcr code does not currently compile when configured for native DCR access on ARCH=powerpc. This patch fixes the problems. Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-02-07[POWERPC] 8xx: generic 8xx code arch/powerpc portVitaly Bordug
Including support for non-coherent cache, some mm-related things + relevant field in Kconfig and Makefiles. Also included rheap.o compilation if 8xx is defined. Non-coherent mapping were refined and renamed according to Cristoph Hellwig. Orphaned functions were cleaned up. [Also removed arch/ppc/kernel/dma-mapping.c, because otherwise compiling with ARCH=ppc for a non DMA-cache-coherent platform ends up with two copies of __dma_alloc_coherent etc. -- paulus.] Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-01-24[POWERPC] Remove the broken Gemini supportAdrian Bunk
Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (36 commits) [POWERPC] Generic BUG for powerpc [PPC] Fix compile failure do to introduction of PHY_POLL [POWERPC] Only export __mtdcr/__mfdcr if CONFIG_PPC_DCR is set [POWERPC] Remove old dcr.S [POWERPC] Fix SPU coredump code for max_fdset removal [POWERPC] Fix irq routing on some 32-bit PowerMacs [POWERPC] ps3: Add vuart support [POWERPC] Support ibm,dynamic-reconfiguration-memory nodes [POWERPC] dont allow pSeries_probe to succeed without initialising MMU [POWERPC] micro optimise pSeries_probe [POWERPC] Add SPURR SPR to sysfs [POWERPC] Add DSCR SPR to sysfs [POWERPC] Fix 440SPe CPU table entry [POWERPC] Add support for FP emulation for the e300c2 core [POWERPC] of_device_register: propagate device_create_file return code [POWERPC] Fix mmap of PCI resource with hack for X [POWERPC] iSeries: head_64.o needs to depend on lparmap.s [POWERPC] cbe_thermal: Fix initialization of sysfs attribute_group [POWERPC] Remove QE header files from lite5200.c [POWERPC] of_platform_make_bus_id(): make `magic' int ...
2006-12-08[PATCH] use generic BUG for ppcJudith Lebzelter
Switch ppc over to using the generic BUG implementation. Signed-off-by: Judith Lebzelter <judith@osdl.org> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Michael Ellerman <michael@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-08[POWERPC] Fix mmap of PCI resource with hack for XBenjamin Herrenschmidt
The powerpc version of pci_resource_to_user() and associated hooks used by /proc/bus/pci and /sys/bus/pci mmap have been broken for some time on machines that don't have a 1:1 mapping of devices (basically on non-PowerMacs) and have PCI devices above 32 bits. This attempts to fix it as well as possible. The rule is supposed to be that pci_resource_to_user() always converts the resources back into a BAR values since that's what the /proc interface was supposed to deal with. However, for X to work on platforms where PCI MMIO is not mapped 1:1, it became a habit of platforms like powerpc to pass "fixed up" values there since X expects to be able to use values from /proc/bus/pci/devices as offsets to mmap of /dev/mem... So we keep that contraption here, causing also /sys/*/resource to expose fully absolute MMIO addresses instead of BAR values, which is ugly, but should still work as long as those are only used to calculate alignment within a page. X is still broken when built 32 bits on machines where PCI MMIO can be above 32-bit space unfortunately. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-07[PATCH] relocatable kernel: Kallsyms generate relocatable symbolsEric W. Biederman
Print the addresses of non-absolute symbols relative to _text so that ld will generate relocations. Allowing a relocatable kernel to relocate them. We can't actually use the symbol names because kallsyms includes static symbols that are not exported from their object files. Add the _text symbol definitions to the architectures which don't define it otherwise linker will fail. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-04[POWERPC] Distinguish POWER6 partition modes and tell userspacePaul Mackerras
This adds code to look at the properties firmware puts in the device tree to determine what compatibility mode the partition is in on POWER6 machines, and set the ELF aux vector AT_HWCAP and AT_PLATFORM entries appropriately. Specifically, we look at the cpu-version property in the cpu node(s). If that contains a "logical" PVR value (of the form 0x0f00000x), we call identify_cpu again with this PVR value. A value of 0x0f000001 indicates the partition is in POWER5+ compatibility mode, and a value of 0x0f000002 indicates "POWER6 architected" mode, with various extensions disabled. We also look for various other properties: ibm,dfp, ibm,purr and ibm,spurr. Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04[POWERPC] Book-E reg MCSR msg misquotednkalmala
PPC/booke reg MCSR value misquoted Signed-off-by: nkalmala <nkalmala@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Acked-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-11-01[POWERPC] Make alignment exception always check exception tableBenjamin Herrenschmidt
The alignment exception used to only check the exception table for -EFAULT, not for other errors. That opens an oops window if we can coerce the kernel into getting an alignment exception for other reasons in what would normally be a user-protected accessor, which can be done via some of the futex ops. This fixes it by always checking the exception tables. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-10-27[PATCH] vmlinux.lds: consolidate initcall sectionsAndrew Morton
Add a vmlinux.lds.h helper macro for defining the eight-level initcall table, teach all the architectures to use it. This is a prerequisite for a patch which performs initcall synchronisation for multithreaded-probing. Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> [ Added AVR32 as well ] Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-25[POWERPC] Support feature fixups in vdso'sBenjamin Herrenschmidt
This patch reworks the feature fixup mecanism so vdso's can be fixed up. The main issue was that the construct: .long label (or .llong on 64 bits) will not work in the case of a shared library like the vdso. It will generate an empty placeholder in the fixup table along with a reloc, which is not something we can deal with in the vdso. The idea here (thanks Alan Modra !) is to instead use something like: 1: .long label - 1b That is, the feature fixup tables no longer contain addresses of bits of code to patch, but offsets of such code from the fixup table entry itself. That is properly resolved by ld when building the .so's. I've modified the fixup mecanism generically to use that method for the rest of the kernel as well. Another trick is that the 32 bits vDSO included in the 64 bits kernel need to have a table in the 64 bits format. However, gas does not support 32 bits code with a statement of the form: .llong label - 1b (Or even just .llong label) That is, it cannot emit the right fixup/relocation for the linker to use to assign a 32 bits address to an .llong field. Thus, in the specific case of the 32 bits vdso built as part of the 64 bits kernel, we are using a modified macro that generates: .long 0xffffffff .llong label - 1b Note that is assumes that the value is negative which is enforced by the .lds (those offsets are always negative as the .text is always before the fixup table and gas doesn't support emiting the reloc the other way around). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-10-25[POWERPC] Consolidate feature fixup codeBenjamin Herrenschmidt
There are currently two versions of the functions for applying the feature fixups, one for CPU features and one for firmware features. In addition, they are both in assembly and with separate implementations for 32 and 64 bits. identify_cpu() is also implemented in assembly and separately for 32 and 64 bits. This patch replaces them with a pair of C functions. The call sites are slightly moved on ppc64 as well to be called from C instead of from assembly, though it's a very small change, and thus shouldn't cause any problem. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-10-16[POWERPC] ppc: Add missing calls to set_irq_regsKumar Gala
In the timer_interrupt we were not calling set_irq_regs() and if we are profiling we will end up calling get_irq_regs(). This causes bad things to happen. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-10-10[POWERPC] ARCH=ppc pt_regs fixesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-10-06[PPC] Fix some irq breakage with ARCH=ppcPaul Mackerras
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-10-02[PATCH] provide kernel_execve on all architecturesArnd Bergmann
This adds the new kernel_execve function on all architectures that were using _syscall3() to implement execve. The implementation uses code from the _syscall3 macros provided in the unistd.h header file. I don't have cross-compilers for any of these architectures, so the patch is untested with the exception of i386. Most architectures can probably implement this in a nicer way in assembly or by combining it with the sys_execve implementation itself, but this should do it for now. [bunk@stusta.de: m68knommu build fix] [markh@osdl.org: build fix] [bero@arklinux.org: build fix] [ralf@linux-mips.org: mips fix] [schwidefsky@de.ibm.com: s390 fix] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Andi Kleen <ak@muc.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ian Molton <spyro@f2s.com> Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Hirokazu Takata <takata.hirokazu@renesas.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Cc: Richard Curnow <rc@rc0.org.uk> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Cc: Chris Zankel <chris@zankel.net> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Bernhard Rosenkraenzer <bero@arklinux.org> Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-01[PATCH] kill wall_jiffiesAtsushi Nemoto
With 2.6.18-rc4-mm2, now wall_jiffies will always be the same as jiffies. So we can kill wall_jiffies completely. This is just a cleanup and logically should not change any real behavior except for one thing: RTC updating code in (old) ppc and xtensa use a condition "jiffies - wall_jiffies == 1". This condition is never met so I suppose it is just a bug. I just remove that condition only instead of kill the whole "if" block. [heiko.carstens@de.ibm.com: s390 build fix and cleanup] Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Andi Kleen <ak@muc.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ian Molton <spyro@f2s.com> Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Hirokazu Takata <takata.hirokazu@renesas.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Cc: Richard Curnow <rc@rc0.org.uk> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Cc: Chris Zankel <chris@zankel.net> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-01[PATCH] remove SYSRQ_KEY and related defines from ppc/sh/h8300Olaf Hering
Remove unused global SYSRQ_KEY from ppc and powerpc Remove unused define SYSRQ_KEY from sh/sh64 and h8300 Remove unused pckbd_sysrq_xlate and kbd_sysrq_xlate usage Signed-off-by: Olaf Hering <olaf@aepfle.de> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-29[PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)Atsushi Nemoto
Pass ticks to do_timer() and update_times(), and adjust x86_64 and s390 timer interrupt handler with this change. Currently update_times() calculates ticks by "jiffies - wall_jiffies", but callers of do_timer() should know how many ticks to update. Passing ticks get rid of this redundant calculation. Also there are another redundancy pointed out by Martin Schwidefsky. This cleanup make a barrier added by 5aee405c662ca644980c184774277fc6d0769a84 needless. So this patch removes it. As a bonus, this cleanup make wall_jiffies can be removed easily, since now wall_jiffies is always synced with jiffies. (This patch does not really remove wall_jiffies. It would be another cleanup patch) Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Cc: Andi Kleen <ak@muc.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Acked-by: Russell King <rmk@arm.linux.org.uk> Cc: Ian Molton <spyro@f2s.com> Cc: Mikael Starvik <starvik@axis.com> Acked-by: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Hirokazu Takata <takata.hirokazu@renesas.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Cc: Richard Curnow <rc@rc0.org.uk> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Cc: Chris Zankel <chris@zankel.net> Acked-by: "Luck, Tony" <tony.luck@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-29[PATCH] pidspace: is_init()Sukadev Bhattiprolu
This is an updated version of Eric Biederman's is_init() patch. (http://lkml.org/lkml/2006/2/6/280). It applies cleanly to 2.6.18-rc3 and replaces a few more instances of ->pid == 1 with is_init(). Further, is_init() checks pid and thus removes dependency on Eric's other patches for now. Eric's original description: There are a lot of places in the kernel where we test for init because we give it special properties. Most significantly init must not die. This results in code all over the kernel test ->pid == 1. Introduce is_init to capture this case. With multiple pid spaces for all of the cases affected we are looking for only the first process on the system, not some other process that has pid == 1. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Serge Hallyn <serue@us.ibm.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: <lxc-devel@lists.sourceforge.net> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-20[POWERPC] clean up ide io accessorsStephen Rothwell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
2006-09-20[POWERPC] remove unused asm routinesStephen Rothwell
_insw, _outsw, _insl amd _outsl are all unused, so remove them. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
2006-09-13[POWERPC] Make function of pm_power_off consistent with x86Corey Minyard
Allow the pm_power_off function variable in PPC to work as an override. This makes the function consistent with the other architectures and it allows generic poweroff operations (like those provided in IPMI systems) to work properly on PPC. Signed-off-by: Corey Minyard <minyard@acm.org> Cc: Joseph Barnett <jbarnett@motorola.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-08-30[POWERPC] Fix irq enable/disable in smp_generic_take_timebasePaul Mackerras
Eran Ben-Avi <eranpublic@yahoo.com> pointed out that the arch/ppc version of smp_generic_take_timebase disables interrupts on entry but exits without restoring them. However, both it and the arch/powerpc version have another problem, which is that they use local_irq_disable/enable rather than local_irq_save/restore, and they are called with interrupts disabled. This fixes both problems; it changes a return to a break in the arch/ppc version, and changes both versions to use local_irq_save/restore. Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-07-31[PATCH] vDSO hash-style fixRoland McGrath
The latest toolchains can produce a new ELF section in DSOs and dynamically-linked executables. The new section ".gnu.hash" replaces ".hash", and allows for more efficient runtime symbol lookups by the dynamic linker. The new ld option --hash-style={sysv|gnu|both} controls whether to produce the old ".hash", the new ".gnu.hash", or both. In some new systems such as Fedora Core 6, gcc by default passes --hash-style=gnu to the linker, so that a standard invocation of "gcc -shared" results in producing a DSO with only ".gnu.hash". The new ".gnu.hash" sections need to be dealt with the same way as ".hash" sections in all respects; only the dynamic linker cares about their contents. To work with older dynamic linkers (i.e. preexisting releases of glibc), a binary must have the old ".hash" section. The --hash-style=both option produces binaries that a new dynamic linker can use more efficiently, but an old dynamic linker can still handle. The new section runs afoul of the custom linker scripts used to build vDSO images for the kernel. On ia64, the failure mode for this is a boot-time panic because the vDSO's PT_IA_64_UNWIND segment winds up ill-formed. This patch addresses the problem in two ways. First, it mentions ".gnu.hash" in all the linker scripts alongside ".hash". This produces correct vDSO images with --hash-style=sysv (or old tools), with --hash-style=gnu, or with --hash-style=both. Second, it passes the --hash-style=sysv option when building the vDSO images, so that ".gnu.hash" is not actually produced. This is the most conservative choice for compatibility with any old userland. There is some concern that some ancient glibc builds (though not any known old production system) might choke on --hash-style=both binaries. The optimizations provided by the new style of hash section do not really matter for a DSO with a tiny number of symbols, as the vDSO has. If someone wants to use =gnu or =both for their vDSO builds and worry less about that compatibility, just change the option and the linker script changes will make any choice work fine. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Andi Kleen <ak@muc.de> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-10[PATCH] tty: Remove include of screen_info.h from tty.hJon Smirl
screen_info.h doesn't have anything to do with the tty layer and shouldn't be included by tty.h. This patches removes the include and modifies all users to directly include screen_info.h. struct screen_info is mainly used to communicate with the console drivers in drivers/video/console. Note that this patch touches every arch and I have no way of testing it. If there is a mistake the worst thing that will happen is a compile error. [akpm@osdl.org: fix arm build] [akpm@osdl.org: fix alpha build] Signed-off-by: Jon Smirl <jonsmir@gmail.com> Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-30Remove obsolete #include <linux/config.h>Jörn Engel
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-29Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: [PATCH] i386: export memory more than 4G through /proc/iomem [PATCH] 64bit Resource: finally enable 64bit resource sizes [PATCH] 64bit Resource: convert a few remaining drivers to use resource_size_t where needed [PATCH] 64bit resource: change pnp core to use resource_size_t [PATCH] 64bit resource: change pci core and arch code to use resource_size_t [PATCH] 64bit resource: change resource core to use resource_size_t [PATCH] 64bit resource: introduce resource_size_t for the start and end of struct resource [PATCH] 64bit resource: fix up printks for resources in misc drivers [PATCH] 64bit resource: fix up printks for resources in arch and core code [PATCH] 64bit resource: fix up printks for resources in pcmcia drivers [PATCH] 64bit resource: fix up printks for resources in video drivers [PATCH] 64bit resource: fix up printks for resources in ide drivers [PATCH] 64bit resource: fix up printks for resources in mtd drivers [PATCH] 64bit resource: fix up printks for resources in pci core and hotplug drivers [PATCH] 64bit resource: fix up printks for resources in networks drivers [PATCH] 64bit resource: fix up printks for resources in sound drivers [PATCH] 64bit resource: C99 changes for struct resource declarations Fixed up trivial conflict in drivers/ide/pci/cmd64x.c (the printk that was changed by the 64-bit resources had been deleted in the meantime ;)
2006-06-27[PATCH] node hotplug: register cpu: remove node structKAMEZAWA Hiroyuki
With Goto-san's patch, we can add new pgdat/node at runtime. I'm now considering node-hot-add with cpu + memory on ACPI. I found acpi container, which describes node, could evaluate cpu before memory. This means cpu-hot-add occurs before memory hot add. In most part, cpu-hot-add doesn't depend on node hot add. But register_cpu(), which creates symbolic link from node to cpu, requires that node should be onlined before register_cpu(). When a node is onlined, its pgdat should be there. This patch-set holds off creating symbolic link from node to cpu until node is onlined. This removes node arguments from register_cpu(). Now, register_cpu() requires 'struct node' as its argument. But the array of struct node is now unified in driver/base/node.c now (By Goto's node hotplug patch). We can get struct node in generic way. So, this argument is not necessary now. This patch also guarantees add cpu under node only when node is onlined. It is necessary for node-hot-add vs. cpu-hot-add patch following this. Moreover, register_cpu calculates cpu->node_id by cpu_to_node() without regard to its 'struct node *root' argument. This patch removes it. Also modify callers of register_cpu()/unregister_cpu, whose args are changed by register-cpu-remove-node-struct patch. [Brice.Goglin@ens-lyon.org: fix it] Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Brice Goglin <Brice.Goglin@ens-lyon.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-27[PATCH] 64bit resource: change pci core and arch code to use resource_size_tGreg Kroah-Hartman
Based on a patch series originally from Vivek Goyal <vgoyal@in.ibm.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-06-27[PATCH] 64bit resource: fix up printks for resources in arch and core codeGreg Kroah-Hartman
This is needed if we wish to change the size of the resource structures. Based on an original patch from Vivek Goyal <vgoyal@in.ibm.com> and Andrew Morton. (tweaked by Andy Isaacson <adi@hexapodia.org>) Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Andy Isaacson <adi@hexapodia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-06-26Storage class should be firstTobias Klauser
Storage class should be before const Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-25[PATCH] mm: remove VM_LOCKED before remap_pfn_range and drop VM_SHMChristoph Lameter
Remove VM_LOCKED before remap_pfn range from device drivers and get rid of VM_SHM. remap_pfn_range() already sets VM_IO. There is no need to set VM_SHM since it does nothing. VM_LOCKED is of no use since the remap_pfn_range does not place pages on the LRU. The pages are therefore never subject to swap anyways. Remove all the vm_flags settings before calling remap_pfn_range. After removing all the vm_flag settings no use of VM_SHM is left. Drop it. Signed-off-by: Christoph Lameter <clameter@sgi.com> Acked-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-29ppc: Fix typo in TI_LOCAL_FLAGS definitionPaul Mackerras
A typo crept in with commit ea1e847cc202e805769c3c46ba5e5c53714068a1 which defined TI_LOCAL_FLAGS to be the offset of the `flags' field of struct thread_info, rather than the `local_flags' field. This fixes it. The typo was pointed out by Guennadi Liakhovetski. Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-09[PATCH] ppc32/8xx: Fix r3 trashing due to 8MB TLB page instantiationMarcelo Tosatti
Instantiation of 8MB pages on the TLB cache for the kernel static mapping trashes r3 register on !CONFIG_8xx_CPU6 configurations. This ensures r3 gets saved and restored. Signed-off-by: Marcelo Tosatti <marcelo@kvack.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-22Merge branch 'misc' of ↵Paul Mackerras
master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into merge