15 Oct, 2007
1 commit
-
Signed-off-by: Al Viro
Signed-off-by: Linus Torvalds
12 Aug, 2007
1 commit
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Connect up the fallocate() system call.
Signed-off-by: David Howells
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
02 Aug, 2007
1 commit
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Enable the MB93090 motherboard's MB86943 PCI arbiter correctly by assigning to
the register rather than comparing against it. This is required to support
bus mastering.Signed-off-by: David Howells
Signed-off-by: Linus Torvalds
01 Aug, 2007
1 commit
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Remove unused TIF_NOTIFY_RESUME flag for all processor architectures. The
flag was not used excecpt on IA-64 where the patch replaces it with
TIF_PERFMON_WORK.Signed-off-by: stephane eranian
Cc:
Cc: "Luck, Tony"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
20 Jul, 2007
1 commit
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New arch macro STACK_TOP_MAX it gives the larges valid stack address for the
architecture in question.It differs from STACK_TOP in that it will not distinguish between
personalities but will always return the largest possible address.This is used to create the initial stack on execve, which we will move down to
the proper location once the binfmt code has figured out where that is.Signed-off-by: Peter Zijlstra
Signed-off-by: Ollie Wild
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
18 Jul, 2007
3 commits
-
Add function helper, fb_is_primary_device(). Given struct fb_info, it will
return a nonzero value if the device is the primary display.Currently, only the i386 is supported where the function checks for the
IORESOURCE_ROM_SHADOW flag.Signed-off-by: Antonino Daplas
Cc: David Miller
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Move arch-specific bits of fb_mmap() to their respective subdirectories
[bob.picco@hp.com: efi_range_is_wc is referenced but not declared]
[bunk@stusta.de: fix include/asm-m68k/fb.h]
Signed-off-by: Antonino Daplas
Acked-by: David S. Miller
Signed-off-by: Adrian Bunk
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Nobody is using ptep_test_and_clear_dirty and ptep_clear_flush_dirty. Remove
the functions from all architectures.Signed-off-by: Martin Schwidefsky
Cc: Hugh Dickins
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
17 Jul, 2007
2 commits
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Connect up new system calls.
Signed-off-by: David Howells
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Kill pte_rdprotect(), pte_exprotect(), pte_mkread(), pte_mkexec(), pte_read(),
pte_exec(), and pte_user() except where arch-specific code is making use of
them.Signed-off-by: Jan Beulich
Cc: Andi Kleen
Cc: Christoph Hellwig
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
16 Jul, 2007
1 commit
-
Signed-off-by: Al Viro
Signed-off-by: Linus Torvalds
12 Jul, 2007
2 commits
-
Based on replies to a respective query, remove the pci_dac_dma_...() APIs
(except for pci_dac_dma_supported() on Alpha, where this function is used
in non-DAC PCI DMA code).Signed-off-by: Jan Beulich
Cc: Andi Kleen
Cc: Jesse Barnes
Cc: Christoph Hellwig
Acked-by: David Miller
Cc: Jeff Garzik
Cc:
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman -
I'm not sure if this is going to fly, weak symbols work on the compilers I'm
using, but whether they work for all of the affected architectures I can't say.
I've cc'ed as many arch maintainers/lists as I could find.But assuming they do, we can use a weak empty definition of
pcibios_add_platform_entries() to avoid having an empty definition on every
arch.Signed-off-by: Michael Ellerman
Signed-off-by: Greg Kroah-Hartman
11 Jul, 2007
1 commit
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Add the termios2 structure ready for enabling on most platforms. One or
two like Sparc are plain weird so have been left alone. Most can use the
same structure as ktermios for termios2 (ie the newer ioctl uses the
structure matching the current kernel structure)Signed-off-by: Alan Cox
Cc: Bryan Wu
Cc: Ian Molton
Cc: Haavard Skinnemoen
Cc: Yoshinori Sato
Cc: Mikael Starvik
Cc: David Howells
Cc: "Luck, Tony"
Cc: Hirokazu Takata
Cc: Geert Uytterhoeven
Cc: Roman Zippel
Cc: Ralf Baechle
Cc: Kyle McMartin
Cc: Matthew Wilcox
Cc: Heiko Carstens
Cc: Martin Schwidefsky
Cc: Paul Mundt
Cc: Kazumoto Kojima
Cc: Richard Curnow
Cc: Miles Bader
Cc: Chris Zankel
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
02 Jul, 2007
1 commit
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/home/rpjday/AMD/k/topics/0_hi/hi1.c:15: error: dereferencing pointer to incomplete type
/home/rpjday/AMD/k/topics/0_hi/hi1.c:16: error: dereferencing pointer to incomplete typeSigned-off-by: Alexey Dobriyan
Cc: David Howells
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
08 Jun, 2007
1 commit
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In file included from /usr/src/linux-2.6-2/net/ipv4/ip_input.c:118:
include2/asm/system.h:245: error: parse error before "__cmpxchg_32"
include2/asm/system.h:245: error: parse error before '*' token
include2/asm/system.h:245: warning: type defaults to `int' in declaration of `__cmpxchg_32'
include2/asm/system.h:245: warning: function declaration isn't a prototype
include2/asm/system.h:245: warning: data definition has no type or storage classSigned-off-by: Peter Zijlstra
Acked-by: David Howells
Signed-off-by: Linus Torvalds
11 May, 2007
1 commit
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These files are almost all the same.
This patch could be made even simpler if we don't mind POLLREMOVE turning
up in a few architectures that didn't have it previously (which should be
OK as POLLREMOVE is not used anywhere in the current tree).Signed-off-by: Stephen Rothwell
Cc:
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
10 May, 2007
1 commit
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This is done in order to be able to run SLUB which expects no modifications
to its page structs.Signed-off-by: Christoph Lameter
Signed-off-by: David Howells
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
09 May, 2007
5 commits
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Miscellaneous fixes to bring FRV up to date:
(1) Copy the new syscall numbers from i386 to asm-frv/unistd.h and fill out
the syscall table in entry.S too.(2) Mark __frv_uart0 and __frv_uart1 __pminitdata rather than __initdata so
that determine_clocks() can access them when CONFIG_PM=y.(3) Make arch/frv/mm/elf-fdpic.c include asm/mman.h so that MAP_FIXED is
available (fixes commit 2fd3bebaad9da3b3b99c46a3389099424bf7ee35).Signed-off-by: David Howells
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
atomic_add_unless as inline. Remove system.h atomic.h circular dependency.
I agree (with Andi Kleen) this typeof is not needed and more error
prone. All the original atomic.h code that uses cmpxchg (which includes
the atomic_add_unless) uses defines instead of inline functions,
probably to circumvent a circular dependency between system.h and
atomic.h on powerpc (which my patch addresses). Therefore, it makes
sense to use inline functions that will provide type checking.atomic_add_unless as inline. Remove system.h atomic.h circular dependency.
Digging into the FRV architecture shows me that it is also affected by
such a circular dependency. Here is the diff applying this against the
rest of my atomic.h patches.It applies over the atomic.h standardization patches.
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Most architectures defined three macros, MK_IOSPACE_PFN(), GET_IOSPACE()
and GET_PFN() in pgtable.h. However, the only callers of any of these
macros are in Sparc specific code, either in arch/sparc, arch/sparc64 or
drivers/sbus.This patch removes the redundant macros from all architectures except
sparc and sparc64.Signed-off-by: David Gibson
Cc:
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
This patch moves the die notifier handling to common code. Previous
various architectures had exactly the same code for it. Note that the new
code is compiled unconditionally, this should be understood as an appel to
the other architecture maintainer to implement support for it aswell (aka
sprinkling a notify_die or two in the proper place)arm had a notifiy_die that did something totally different, I renamed it to
arm_notify_die as part of the patch and made it static to the file it's
declared and used at. avr32 used to pass slightly less information through
this interface and I brought it into line with the other architectures.[akpm@linux-foundation.org: build fix]
[akpm@linux-foundation.org: fix vmalloc_sync_all bustage]
[bryan.wu@analog.com: fix vmalloc_sync_all in nommu]
Signed-off-by: Christoph Hellwig
Cc:
Cc: Russell King
Signed-off-by: Bryan Wu
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Remove the Kconfig selection of semaphore debugging from the ALPHA and FRV
Kconfig files, and centralize it in lib/Kconfig.debug.There doesn't seem to be much point in letting individual architectures
independently define the same Kconfig option when it can just as easily be
put in a single Kconfig file and made dependent on a subset of
architectures. that way, at least the option shows up in the same relative
location in the menu each time.Signed-off-by: Robert P. J. Day
Cc: David Howells
Cc: Ivan Kokshaysky
Cc: Richard Henderson
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
06 May, 2007
1 commit
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* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits)
[PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall
[PATCH] i386: type may be unused
[PATCH] i386: Some additional chipset register values validation.
[PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split.
[PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff
[PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu
[PATCH] i386: white space fixes in i387.h
[PATCH] i386: Drop noisy e820 debugging printks
[PATCH] x86-64: Fix allnoconfig error in genapic_flat.c
[PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems
[PATCH] x86-64: Share identical video.S between i386 and x86-64
[PATCH] x86-64: Remove CONFIG_REORDER
[PATCH] x86-64: Print type and size correctly for unknown compat ioctls
[PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0)
[PATCH] i386: Little cleanups in smpboot.c
[PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning
[PATCH] x86: Use RDTSCP for synchronous get_cycles if possible
[PATCH] i386: Add X86_FEATURE_RDTSCP
[PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386
[PATCH] i386: Implement alternative_io for i386
...Fix up trivial conflict in include/linux/highmem.h manually.
Signed-off-by: Linus Torvalds
03 May, 2007
2 commits
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Most architectures' scatterlist.h use the type dma_addr_t, but omit to
include which defines it. This could lead to build failures,
so let's add the missing includes.Signed-off-by: Jean Delvare
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman -
Add hooks to allow a paravirt implementation to track the lifetime of
an mm. Paravirtualization requires three hooks, but only two are
needed in common code. They are:arch_dup_mmap, which is called when a new mmap is created at fork
arch_exit_mmap, which is called when the last process reference to an
mm is dropped, which typically happens on exit and exec.The third hook is activate_mm, which is called from the arch-specific
activate_mm() macro/function, and so doesn't need stub versions for
other architectures. It's called when an mm is first used.Signed-off-by: Jeremy Fitzhardinge
Signed-off-by: Andi Kleen
Cc: linux-arch@vger.kernel.org
Cc: James Bottomley
Acked-by: Ingo Molnar
26 Apr, 2007
2 commits
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Now that network timestamps use ktime_t infrastructure, we can add a new
SOL_SOCKET sockopt SO_TIMESTAMPNS.This command is similar to SO_TIMESTAMP, but permits transmission of
a 'timespec struct' instead of a 'timeval struct' control message.
(nanosecond resolution instead of microsecond)Control message is labelled SCM_TIMESTAMPNS instead of SCM_TIMESTAMP
A socket cannot mix SO_TIMESTAMP and SO_TIMESTAMPNS : the two modes are
mutually exclusive.sock_recv_timestamp() became too big to be fully inlined so I added a
__sock_recv_timestamp() helper function.Signed-off-by: Eric Dumazet
CC: linux-arch@vger.kernel.org
Signed-off-by: David S. Miller -
Now network timestamps use ktime_t infrastructure, we can add a new
ioctl() SIOCGSTAMPNS command to get timestamps in 'struct timespec'.
User programs can thus access to nanosecond resolution.Signed-off-by: Eric Dumazet
CC: Stephen Hemminger
Signed-off-by: David S. Miller
02 Mar, 2007
1 commit
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Add some missing lazy MMU hooks for NOMMU mode.
Signed-off-by: David Howells
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
12 Feb, 2007
1 commit
-
The line discipline numbers N_* are currently defined for each architecture
individually, but (except for a seeming mistake) identically, in
asm/termios.h. There is no obvious reason why these numbers should be
architecture specific, nor any apparent relationship with the termios
structure. The total number of these, NR_LDISCS, is defined in linux/tty.h
anyway. So I propose the following patch which moves the definitions of
the individual line disciplines to linux/tty.h too.Three of these numbers (N_MASC, N_PROFIBUS_FDL, and N_SMSBLOCK) are unused
in the current kernel, but the patch still keeps the complete set in case
there are plans to use them yet.Signed-off-by: Tilman Schmidt
Cc:
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
02 Feb, 2007
1 commit
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a) registers.h is really needed there
b) include of asm-generic/termios should be under __KERNEL__
c) includes of asm-generic/{memory_model,page} should be under
__KERNEL (nothing in there that would work in userland)
d) a lot of stuff in ptrace.h should be under __KERNEL__.Signed-off-by: Al Viro
Acked-by: David Howells
Signed-off-by: Linus Torvalds
14 Dec, 2006
2 commits
-
Virtually index, physically tagged cache architectures can get away
without cache flushing when forking. This patch adds a new cache
flushing function flush_cache_dup_mm(struct mm_struct *) which for the
moment I've implemented to do the same thing on all architectures
except on MIPS where it's a no-op.Signed-off-by: Ralf Baechle
Signed-off-by: Linus Torvalds -
Currently, to tell a task that it should go to the refrigerator, we set the
PF_FREEZE flag for it and send a fake signal to it. Unfortunately there
are two SMP-related problems with this approach. First, a task running on
another CPU may be updating its flags while the freezer attempts to set
PF_FREEZE for it and this may leave the task's flags in an inconsistent
state. Second, there is a potential race between freeze_process() and
refrigerator() in which freeze_process() running on one CPU is reading a
task's PF_FREEZE flag while refrigerator() running on another CPU has just
set PF_FROZEN for the same task and attempts to reset PF_FREEZE for it. If
the refrigerator wins the race, freeze_process() will state that PF_FREEZE
hasn't been set for the task and will set it unnecessarily, so the task
will go to the refrigerator once again after it's been thawed.To solve first of these problems we need to stop using PF_FREEZE to tell
tasks that they should go to the refrigerator. Instead, we can introduce a
special TIF_*** flag and use it for this purpose, since it is allowed to
change the other tasks' TIF_*** flags and there are special calls for it.To avoid the freeze_process()-refrigerator() race we can make
freeze_process() to always check the task's PF_FROZEN flag after it's read
its "freeze" flag. We should also make sure that refrigerator() will
always reset the task's "freeze" flag after it's set PF_FROZEN for it.Signed-off-by: Rafael J. Wysocki
Acked-by: Pavel Machek
Cc: Russell King
Cc: David Howells
Cc: Andi Kleen
Cc: "Luck, Tony"
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Paul Mundt
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
09 Dec, 2006
2 commits
-
In order to sort out our struct termios and add proper speed control we need
to separate the kernel and user termios structures. Glibc is fine but the
other libraries rely on the kernel exported struct termios and we need to
extend this without breaking the ABI/APITo do so we add a struct ktermios which is the kernel view of a termios
structure and overlaps the struct termios with extra fields on the end for
now. (That limitation will go away in later patches). Some platforms (eg
alpha) planned ahead and thus use the same struct for both, others did not.This just adds the structures but does not use them, it seems a sensible
splitting point for bisect if there are compile failures (not that I expect
them)Signed-off-by: Alan Cox
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
This facility provides three entry points:
ilog2() Log base 2 of unsigned long
ilog2_u32() Log base 2 of u32
ilog2_u64() Log base 2 of u64These facilities can either be used inside functions on dynamic data:
int do_something(long q)
{
...;
y = ilog2(x)
...;
}Or can be used to statically initialise global variables with constant values:
unsigned n = ilog2(27);
When performing static initialisation, the compiler will report "error:
initializer element is not constant" if asked to take a log of zero or of
something not reducible to a constant. They treat negative numbers as
unsigned.When not dealing with a constant, they fall back to using fls() which permits
them to use arch-specific log calculation instructions - such as BSR on
x86/x86_64 or SCAN on FRV - if available.[akpm@osdl.org: MMC fix]
Signed-off-by: David Howells
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Herbert Xu
Cc: David Howells
Cc: Wojtek Kaniewski
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
08 Dec, 2006
5 commits
-
Make the contents of the userspace asm/setup.h header consistent on all
architectures:- export setup.h to userspace on all architectures
- export only COMMAND_LINE_SIZE to userspace
- frv: move COMMAND_LINE_SIZE from param.h
- i386: remove duplicate COMMAND_LINE_SIZE from param.h
- arm:
- export ATAGs to userspace
- change u8/u16/u32 to __u8/__u16/__u32Signed-off-by: Adrian Bunk
Acked-by: Russell King
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Pass struct dev pointer to dma_cache_sync()
dma_cache_sync() is ill-designed in that it does not have a struct device
pointer argument which makes proper support for systems that consist of a
mix of coherent and non-coherent DMA devices hard. Change dma_cache_sync
to take a struct device pointer as first argument and fix all its callers
to pass it.Signed-off-by: Ralf Baechle
Cc: James Bottomley
Cc: "David S. Miller"
Cc: Greg KH
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
dma_is_consistent() is ill-designed in that it does not have a struct
device pointer argument which makes proper support for systems that consist
of a mix of coherent and non-coherent DMA devices hard. Change
dma_is_consistent to take a struct device pointer as first argument and fix
the sole caller to pass it.Signed-off-by: Ralf Baechle
Cc: James Bottomley
Cc: "David S. Miller"
Cc: Greg KH
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
The last thing we agreed on was to remove the macros entirely for 2.6.19,
on all architectures. Unfortunately, I think nobody actually _did_ that,
so they are still there.[akpm@osdl.org: x86_64 fix]
Cc: David Woodhouse
Cc: Greg Schafer
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Introduce pagefault_{disable,enable}() and use these where previously we did
manual preempt increments/decrements to make the pagefault handler do the
atomic thing.Currently they still rely on the increased preempt count, but do not rely on
the disabled preemption, this might go away in the future.(NOTE: the extra barrier() in pagefault_disable might fix some holes on
machines which have too many registers for their own good)[heiko.carstens@de.ibm.com: s390 fix]
Signed-off-by: Peter Zijlstra
Acked-by: Nick Piggin
Cc: Martin Schwidefsky
Signed-off-by: Heiko Carstens
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
