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The Linux kernel currently does not clear the direction flag before
calling a signal handler, whereas the x86/x86-64 ABI requires that.
Linux had this behavior/bug forever, but this becomes a real problem
with gcc version 4.3, which assumes that the direction flag is
correctly cleared at the entry of a function.
This patches changes the setup_frame() functions to clear the
direction before entering the signal handler.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: H. Peter Anvin <hpa@zytor.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.25:
sh: Fix up the sh64 build.
sh: Fix up SH7710 VoIP-GW build.
sh: Flag PMB support as EXPERIMENTAL.
sh: Update r7780mp defconfig.
fb: hitfb: Balance probe/remove section annotations.
sh: hp6xx: Fix up hp6xx_apm build failure.
fb: pvr2fb: Fix up remaining section mismatch.
sh: Fix up section mismatches.
sh: hp6xx: Correct APM output.
sh: update se7780 defconfig
sh: replace remaining __FUNCTION__ occurrences
sh: export copy-page() to modules
sh_ksyms_32.c update for gcc 4.3
sh/mm/pg-sh7705.c must #include <linux/fs.h>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6:
[Blackfin] arch: current_l1_stack_save is a pointer, so use NULL rather than 0
[Blackfin] arch: fix atomic and32/xor32 comments and ENDPROC markings
[Blackfin] arch: fix bug - allow SDH driver to be used as module
[Blackfin] arch: to kill syscalls missing warning by adding new timerfd syscalls
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] kprobes arch consolidation build fix
[IA64] update efi region debugging to use MB, GB and TB as well as KB
[IA64] use dev_printk in video quirk
[IA64] remove remaining __FUNCTION__ occurrences
[IA64] remove unnecessary nfs includes from sys_ia32.c
[IA64] remove CONFIG_SMP ifdef in ia64_send_ipi()
[IA64] arch_ptrace() cleanup
[IA64] remove duplicate code from arch_ptrace()
[IA64] convert sys_ptrace to arch_ptrace
[IA64] remove find_thread_for_addr()
[IA64] do not sync RBS when changing PT_AR_BSP or PT_CFM
[IA64] access user RBS directly
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ia64 named their handler kprobes_fault_handler while all other
arches used kprobe_fault_handler. Change the function definition
and header declaration.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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When EFI_DEBUG is defined to a non-zero value in arch/ia64/kernel/efi.c,
the efi memory regions are displayed. This patch enhances the
display code in a few ways:
1. Use TB, GB and MB as well as KB as units.
Although this introduces rounding errors (KB doesn't as
size is always a multiple of 4Kb), it does make
things a lot more readable.
Also as the range is also shown, it is possible to note the exact size
if it is important. In my experience, the size field is mostly useful
for getting a general idea of the size of a region.
On the rx2620 that I use, there actually is an 8TB region (though not
backed by physical memory, and 8TB really is a lot more readable than
8589934592KB.
2. pad the size field with leading spaces to further improve readability
...
... ( 8MB)
... ( 928MB)
... ( 3MB)
...
vs
...
... (8MB)
... (928MB)
... (3MB)
...
3. Pad the attr field out to 64bits using leading zeros,
to further improve readability.
...
mem05: type= 2, attr=0x0000000000000008, range=[0x0000000004000000-0x000000000481f000) ( 8MB)
mem06: type= 7, attr=0x0000000000000008, range=[0x000000000481f000-0x000000003e876000) ( 928MB)
mem07: type= 5, attr=0x8000000000000008, range=[0x000000003e876000-0x000000003eb8e000) ( 3MB)
mem08: type= 4, attr=0x0000000000000008, range=[0x000000003eb8e000-0x000000003ee7a000) ( 2MB)
...
...
mem05: type= 2, attr=0x8, range=[0x0000000004000000-0x000000000481f000) ( 8MB)
mem06: type= 7, attr=0x8, range=[0x000000000481f000-0x000000003e876000) ( 928MB)
mem07: type= 5, attr=0x8000000000000008, range=[0x000000003e876000-0x000000003eb8e000) ( 3MB)
mem08: type= 4, attr=0x8, range=[0x000000003eb8e000-0x000000003ee7a000) ( 2MB)
...
4. Use %d instead of %u for the index field, as i is a signed int.
N.B: This code is not compiled unless EFI_DEBUG is non 0.
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Convert quirk printks to dev_printk().
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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__FUNCTION__ is gcc-specific, use __func__
Long lines have been kept where they exist, some small spacing changes
have been done.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Compilation of 2.6.25-rc2-mm1 on ia64 generates many warnings.
IA64 support 2 ELF format (IA64 binary and IA32 binary),
thus if 2 elf related header included, cause many warning or error.
about 2 week ago, J. Bruce Fields proposed this problem fixed patch.
(http://marc.info/?l=linux-ia64&m=120329313305695&w=2)
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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When !CONFIG_SMP, cpu_physical_id() is ia64_get_lid(), which is
functionally identical to
(ia64_getreg(_IA64_REG_CR_LID) >> 16) & 0xffff
so there's no need for two versions of this code.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The only board-specific bits that existed here were for setting up the
IRQs, which are now handled by the SH7710 CPU support code instead. As
there's nothing else to do for setup, kill off the board support code
and have the defconfig use the generic machvec instead.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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There's still work that needs to be done here, and this should not be
enabled by default on existing boards.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This disables the PMB/32BIT=y by default in r7780mp, as turning this on
presently results in build errors (for an admittedly experimental
feature).
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch fixes the old non-verbose hp6xx apm code and enables some
very basic apm output. We now get percentage (battery) output
and basic time estimate.
Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch updates se7780_defconfig
Signed-off-by: Yusuke Goda <goda.yusuke@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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ERROR: "copy_page" [fs/unionfs/unionfs.ko] undefined!
like all the other architectures.
Cc: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch fixes the following build error with landisk_defconfig when
using gcc 4.3:
<-- snip -->
...
MODPOST 50 modules
ERROR: "__udivsi3_i4i" [net/sunrpc/sunrpc.ko] undefined!
ERROR: "__udivsi3_i4i" [net/appletalk/appletalk.ko] undefined!
ERROR: "__udivsi3_i4i" [fs/ufs/ufs.ko] undefined!
ERROR: "__udivsi3_i4i" [fs/ntfs/ntfs.ko] undefined!
ERROR: "__sdivsi3_i4i" [fs/ntfs/ntfs.ko] undefined!
ERROR: "__udivsi3_i4i" [fs/nfsd/nfsd.ko] undefined!
ERROR: "__sdivsi3_i4i" [fs/nfsd/nfsd.ko] undefined!
ERROR: "__udivsi3_i4i" [fs/nfs/nfs.ko] undefined!
ERROR: "__udivsi3_i4i" [fs/lockd/lockd.ko] undefined!
ERROR: "__udivsi3_i4i" [drivers/usb/storage/usb-storage.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/usb/serial/pl2303.ko] undefined!
ERROR: "__udivsi3_i4i" [drivers/usb/serial/pl2303.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/usb/serial/ftdi_sio.ko] undefined!
ERROR: "__udivsi3_i4i" [drivers/usb/misc/sisusbvga/sisusbvga.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/usb/misc/sisusbvga/sisusbvga.ko] undefined!
ERROR: "__udivsi3_i4i" [drivers/media/video/v4l1-compat.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/media/video/v4l1-compat.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/media/video/usbvideo/vicam.ko] undefined!
ERROR: "__udivsi3_i4i" [drivers/media/video/usbvideo/usbvideo.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/media/video/usbvideo/usbvideo.ko] undefined!
ERROR: "__udivsi3_i4i" [drivers/media/video/sn9c102/sn9c102.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/media/video/sn9c102/sn9c102.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/media/video/se401.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/media/video/pwc/pwc.ko] undefined!
ERROR: "__udivsi3_i4i" [drivers/md/raid0.ko] undefined!
ERROR: "__udivsi3_i4i" [drivers/md/md-mod.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/md/md-mod.ko] undefined!
ERROR: "__udivsi3_i4i" [drivers/md/linear.ko] undefined!
ERROR: "__sdivsi3_i4i" [drivers/hid/usbhid/usbhid.ko] undefined!
make[2]: *** [__modpost] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch fixes the following compile error:
<-- snip -->
...
CC arch/sh/mm/pg-sh7705.o
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/mm/pg-sh7705.c: In function 'ptep_get_and_clear':
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/mm/pg-sh7705.c:130: error: implicit declaration of function 'mapping_writably_mapped'
make[2]: *** [arch/sh/mm/pg-sh7705.o] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes-25' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] fix section mismatch warnings
[CPUFREQ] Remove debugging message from e_powersaver
[CPUFREQ] Fix missing cpufreq_cpu_put() call in ->store
[CPUFREQ] Fix missing cpufreq_cpu_put() call in ->show
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Remove duplicate code, clean up goto's and indentation.
Signed-off-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Remove all code which does exactly the same thing as ptrace_request().
Signed-off-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Convert sys_ptrace() to arch_ptrace().
Signed-off-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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find_thread_for_addr() is no longer needed. It was only used to find
the correct kernel RBS for a given memory address, but since the kernel
RBS is not needed any longer, this function can go away.
Signed-off-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Syncing is no longer needed, because user RBS is already
up-to-date. Actually, if a debugger modified the contents
of the original RBS prior to changing PT_AR_BSP, the
modifications would get overwritten.
Signed-off-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Because the user RBS of a process is now completely stored in
user-mode when the process is ptrace-stopped, accesses to the
RBS should no longer augment any part of the kernel RBS.
This means we can get rid of most ia64_peek() and ia64_poke()
calls.
Signed-off-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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We don't need to printk a message every time we transition.
Leave the code there, but ifdef'd out, as it's useful when
adding support for new processors.
Reported-by: Petr Titěra <P.Titera@century.cz>
Signed-off-by: Dave Jones <davej@redhat.com>
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/sys/firmware/reipl/nss/name contains the nss name when defsys or
savesys command has been executed. If the defsys or savesys command
fails the kernel_nss_name has to be cleared since a reipl on that
nss name won't be possible.
Signed-off-by: Hongjie Yang <hongjie@us.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Normally this should not happen, but it's cleaner to do it that way.
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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IPL from NSS didn't work because the memory detection routine omits any
memory sections with a size lower than what MAX_ORDER defines.
This causes the detection routine to skip the first memory segment which
has a size of 1MB. Which later on will let the kernel think that there
is no memory available at all.
Since in addition the z/VM memory increment size is 1MB force MAX_ORDER
to be 9, so we can support 1MB segments.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Compile smp.o with -Wno-nonnull so gcc stops warning about memcpy
being used with a null parameter. Also remove the workaround code
and use a char * cast instead of a void * cast to do computations.
Cc: Bastian Blank <bastian@waldi.eu.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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If a machine check handling is pending when the idle loop is entered
default_idle will be left with timer ticks and virtual timer disabled.
Fix this by "calling" the idle_chain. Also a BUG_ON(!in_interrupt) in
start_hz_timer must be removed since the function now gets called from
non interrupt context as well.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC]: Fix link errors with gcc-4.3
sparc64: replace remaining __FUNCTION__ occurances
sparc: replace remaining __FUNCTION__ occurances
[SPARC]: Add reboot_command[] extern decl to asm/system.h
[SPARC]: Mark linux_sparc_{fpu,chips} static.
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] fix ia64 kprobes compilation
[IA64] move gcc_intrin.h from header-y to unifdef-y
[IA64] workaround tiger ia64_sal_get_physical_id_info hang
[IA64] move defconfig to arch/ia64/configs/
[IA64] Fix irq migration in multiple vector domain
[IA64] signal(ia64_ia32): add a signal stack overflow check
[IA64] signal(ia64): add a signal stack overflow check
[IA64] CONFIG_SGI_SN2 - auto select NUMA and ACPI_NUMA
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lib/usercopy and uaccess.h
Function __copy_user_zeroing in arch/lib/usercopy.c had the wrong parameter
set as __user, and in include/asm-cris/uaccess.h, it was not set at all for
some of the calling functions.
This will cut the number of warnings quite dramatically when using sparse.
While we're here, remove useless CVS log and correct confusing typo.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Mikael Starvik <mikael.starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This just removes unused DEBUG_FORCEDAC define in the IOMMU code.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch makes the IOMMU code not allocate a memory area spanning LLD's
segment boundary.
is_span_boundary() judges whether a memory area spans LLD's segment boundary.
If iommu_arena_find_pages() finds such a area, it tries to find the next
available memory area.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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iommu_arena_find_pages duplicates the code to access to the bitmap for free
space management. This patch convert the IOMMU code to have only one place to
access the bitmap, in the popular way that other IOMMUs (e.g. POWER and
SPARC) do.
This patch is preparation for modifications to fix the IOMMU segment boundary
problem.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch is preparation for modifications to fix the IOMMU segment boundary
problem.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Adrian Bunk reported another compile error with a SVN head GCC:
...
CC arch/cris/arch-v10/lib/string.o
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/cris/arch-v10/lib/string.c:138:
error: lvalue required as increment operand
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/cris/arch-v10/lib/string.c:138:
error: lvalue required as increment operand
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/cris/arch-v10/lib/string.c:139:
error: lvalue required as increment operand
...
This is due to the use of the construct:
*((long*)dst)++ = lc;
Which isn't legal since casts don't return an lvalue.
The solution is to import the implementation from newlib,
which is continually autotested together with GCC mainline,
and uses the construct:
*(long *) dst = lc; dst += 4;
Since this is an import of a file from newlib, I'm not touching
the formatting or correcting any checkpatch errors.
As for the earlier fix for memset.c, even if the two files for
CRIS v10 and CRIS v32 are identical at the moment, it might
be possible to tweak the CRIS v32 version.
Thus, I'm not yet folding them into the same file, at least not
until we've done some research on it.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add CONFIG_HAVE_KRETPROBES to the arch/<arch>/Kconfig file for relevant
architectures with kprobes support. This facilitates easy handling of
in-kernel modules (like samples/kprobes/kretprobe_example.c) that depend on
kretprobes being present in the kernel.
Thanks to Sam Ravnborg for helping make the patch more lean.
Per Mathieu's suggestion, added CONFIG_KRETPROBES and fixed up dependencies.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 2f569afd9ced9ebec9a6eb3dbf6f83429be0a7b4
(CONFIG_HIGHPTE vs. sub-page page tables) introduced use of
inc_zone_page_state and dec_zone_page_state in include/linux/mm.h.
Those are defined in include/linux/vmstat.h, but after it includes
mm.h, making it impossible to include vmstat.h since inc_zone_page_state
and dec_zone_page_state then would be undefined.
arch/cris/arch-v10/kernel/time.c does just this, which makes the
CRIS v10 build break with the following error:
...
CC arch/cris/arch-v10/kernel/time.o
In file included from include/linux/vmstat.h:7,
from arch/cris/arch-v10/kernel/time.c:17:
include/linux/mm.h: In function 'pgtable_page_ctor':
include/linux/mm.h:902: error: implicit declaration of function 'inc_zone_page_state'
include/linux/mm.h: In function 'pgtable_page_dtor':
include/linux/mm.h:908: error: implicit declaration of function 'dec_zone_page_state'
make[2]: *** [arch/cris/arch-v10/kernel/time.o] Error 1
make[1]: *** [arch/cris/arch-v10/kernel] Error 2
make: *** [sub-make] Error 2
...
By changing kernel/time.c to include linux/mm.h, the build succeeds.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Mikael Starvik <mikael.starvik@axis.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch fixes the following compile error with a recent gcc:
CC kernel/kprobes.o
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/kprobes.c:1066: error: __ksymtab_jprobe_return causes a section type conflict
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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This fixes regression introduced in 113134fcbca83619be4c68d0ca66db6093777b5d
Intel Tiger platforms hang when calling SAL_GET_PHYSICAL_ID_INFO
instead of properly returning -1 for unimplemented, so add a
version check.
SGI Altix platforms have an incorrect SAL version hard-coded into
their prom -- they encode 2.9, but actually implement 3.2 -- so
fix it up and allow ia64_sal_get_physical_id_info to keep
working.
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: Russ Anderson <rja@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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This patch moves the default ia64 defconfig to
arch/ia64/configs/generic_defconfig where it belongs and selects it as
the default defconfig through KBUILD_DEFCONFIG.
Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Fix the problem that the following error message is sometimes displayed
at irq migration when vector domain is enabled.
"Unexpected interrupt vector %d on CPU %d is not mapped to any IRQ!"
The cause of this problem is an interrupt is sent to the previous
target CPU after cleaning up vector to irq mapping table. To clean up
vector to irq map on the previous target CPU safty, change the irq
migration in multiple vector domain as follows. The original idea is
from x86 interrupt management code.
- Delay vector to irq table cleanup until the interrupts are sent
to new target CPUs. By this, it is ensured that target CPU is
completely changed on the interrupt controller side.
- Even after the interrupts are sent to new target CPUs, there can
be pended interrupts remaining on the previous target CPU. So we
need to delay clearning up vector to irq table until the pended
interrupt is handled. For this, send IPI to the previous target
CPU with lower priority vector and clean up vector to irq table
in its handler.
This patch affects only to irq migration code with multiple vector
domain is enabled.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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