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When building embedded systems in a cross-compile environment and
populating a target's file system image, we don't want to run the
depmod on the host as we may be building for a completely different
architecture. Since there's no such thing as a cross-depmod, we
just disable running depmod in the cross-compile case and we just
run depmod on the target at bootup.
Inspired by patches from Christian, Armin and Deepak.
This solves: http://bugzilla.kernel.org/show_bug.cgi?id=3881
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Christian Bjølevik <nafallo@magicalforest.se>
Cc: Deepak Saxena <dsaxena@mvista.com> and
Cc: Armin Kuster <akuster@mvista.com>,
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http://bugzilla.kernel.org/show_bug.cgi?id=8941
Current Debian's kernel-modules depend on matching linux-image-$version, though
Linux's make deb-pkg build a .deb that 'Provides: kernel-image-$version' only.
The following patch adds the Debian-compliant 'Provides', leaving the default
one; hopely this will make way all happy.
Signed-off-by: paolo <oopla@users.sf.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Typo in comment in scripts/kconfig/Makefile.
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Prevent docproc from segfaulting when SRCTREE isn't set.
Signed-off-by: Rob Landley <rob@landley.net>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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When part of build an external module tree, modpost first reads in the
kernel's and then the external tree's Module.symvers files. From these files
it establishes a symbol => module mapping. When it later reads in each module
built and processes the symbols it finds, it discovers the symbol=>module
mapping from Module.symvers and leaves it as it is.
The problem comes with a module has been re-named or a symbol has moved from
one module to another, since the Module.symvers file was generated. modpost
does not update the symbol=>module mapping when it finds the new location of
the symbol when scanning the newly built modules. This results in the module
containing incorrect dependency information and the new Module.symvers file
written by modpost will also contain the incorrect mappings, perpetuating the
problem to the next build, and so on.
When building the out of kernel development tree for kernel subsystem, like
v4l-dvb or ALSA, deleting the external Module.symvers file before building
(which the kernel build system doesn't do and shouldn't be necessary anyway),
won't fix the problem. modpost still reads the kernel's Module.symvers, and
since we a building a kernel subsystem, it will define the same symbols as the
external modules.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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remove .tmp_kallsyms*.S in cscope.files
Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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The old list at sourceforge had a few issues:
- it was subscriber-only
- it were relying on moderation
And I could see several mails did not get to the list lately
so I decided this was a good time for a new list.
I already requested marc.info to archieve the new list -
and I dunno where else the old list was archieved but we
ought to update.
I have no access to the list of subscribers on the old list
so people will have to subscribe manually.
How to subscribe:
send a mail to: majordomo@vger.kernel.org
containing following text:
subscribe linux-kbuild
See also http://vger.kernel.org/vger-lists.html
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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We often hit the situation where the asm symlink
in include/ points to the wrong architecture.
In 9 out of 10 cases thats because we forgot to set
ARCH but sometimes we just reused the same tree
for another ARCH. For the merged x86 tree we need
to create a new symlink but this is not obvious.
So with the following patch we check if the symlink
points to the correct architecture and error
out if this is not the case.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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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 non-numa build
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arch/ia64/kernel/machine_kexec.c: In function `arch_crash_save_vmcoreinfo':
arch/ia64/kernel/machine_kexec.c:131: error: `pgdat_list' undeclared (first use in this function)
arch/ia64/kernel/machine_kexec.c:131: error: (Each undeclared identifier is reported only once
arch/ia64/kernel/machine_kexec.c:131: error: for each function it appears in.)
arch/ia64/kernel/machine_kexec.c:134: error: `node_memblk' undeclared (first use in this function)
arch/ia64/kernel/machine_kexec.c:135: error: `NR_NODE_MEMBLKS' undeclared (first use in this function)
arch/ia64/kernel/machine_kexec.c:136: error: invalid application of `sizeof' to incomplete type `node_memblk_s'
arch/ia64/kernel/machine_kexec.c:137: error: dereferencing pointer to incomplete type
arch/ia64/kernel/machine_kexec.c:138: error: dereferencing pointer to incomplete type
make[1]: *** [arch/ia64/kernel/machine_kexec.o] Error 1
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
9p: remove sysctl
9p: fix bad kconfig cross-dependency
9p: soften invalidation in loose_mode
9p: attach-per-user
9p: rename uid and gid parameters
9p: define session flags
9p: Make transports dynamic
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A sysctl method was added to enable and disable debugging levels. After
further review, it was decided that there are better approaches to doing this
and the sysctl methodology isn't really desirable. This patch removes the
sysctl code from 9p.
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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This patch moves transport dynamic registration and matching to the net
module to prevent a bad Kconfig dependency between the net and fs 9p modules.
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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Loose mode in 9p utilizes the page cache without respecting coherency with
the server. Any writes previously invaldiated the entire mapping for a file.
This patch softens the behavior to only invalidate the region of the actual
write.
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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The 9P2000 protocol requires the authentication and permission checks to be
done in the file server. For that reason every user that accesses the file
server tree has to authenticate and attach to the server separately.
Multiple users can share the same connection to the server.
Currently v9fs does a single attach and executes all I/O operations as a
single user. This makes using v9fs in multiuser environment unsafe as it
depends on the client doing the permission checking.
This patch improves the 9P2000 support by allowing every user to attach
separately. The patch defines three modes of access (new mount option
'access'):
- attach-per-user (access=user) (default mode for 9P2000.u)
If a user tries to access a file served by v9fs for the first time, v9fs
sends an attach command to the server (Tattach) specifying the user. If
the attach succeeds, the user can access the v9fs tree.
As there is no uname->uid (string->integer) mapping yet, this mode works
only with the 9P2000.u dialect.
- allow only one user to access the tree (access=<uid>)
Only the user with uid can access the v9fs tree. Other users that attempt
to access it will get EPERM error.
- do all operations as a single user (access=any) (default for 9P2000)
V9fs does a single attach and all operations are done as a single user.
If this mode is selected, the v9fs behavior is identical with the current
one.
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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Change the names of 'uid' and 'gid' parameters to the more appropriate
'dfltuid' and 'dfltgid'. This also sets the default uid/gid to -2
(aka nfsnobody)
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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Create more general flags field in the v9fs_session_info struct and move the
'extended' flag as a bit in the flags.
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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This patch abstracts out the interfaces to underlying transports so that
new transports can be added as modules. This should also allow kernel
configuration of transports without ifdef-hell.
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
net: libertas sdio driver
mmc: at91_mci: cleanup: use MCI_ERRORS
mmc: possible leak in mmc_read_ext_csd
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Add driver for Marvell's Libertas 8385 and 8686 wifi chips.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Acked-by: Dan Williams <dcbw@redhat.com>
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A small MMC driver cleanup.
Use the defined AT91_MCI_ERRORS in at91_mci_completed_command() instead
of specifying all the error bits individually.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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The exception path associated with an invalid ext_csd_struct returns
without freeing ext_csd.
Coverity CID 1909.
Signed-off-by: Florin Malita
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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* ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86: (114 commits)
x86: delete vsyscall files during make clean
kbuild: fix typo SRCARCH in find_sources
x86: fix kernel rebuild due to vsyscall fallout
.gitignore update for x86 arch
x86: unify include/asm/debugreg_32/64.h
x86: unify include/asm/unwind_32/64.h
x86: unify include/asm/types_32/64.h
x86: unify include/asm/tlb_32/64.h
x86: unify include/asm/siginfo_32/64.h
x86: unify include/asm/bug_32/64.h
x86: unify include/asm/mman_32/64.h
x86: unify include/asm/agp_32/64.h
x86: unify include/asm/kdebug_32/64.h
x86: unify include/asm/ioctls_32/64.h
x86: unify include/asm/floppy_32/64.h
x86: apply missing DMA/OOM prevention to floppy_32.h
x86: unify include/asm/cache_32/64.h
x86: unify include/asm/cache_32/64.h
x86: unify include/asm/dmi_32/64.h
x86: unify include/asm/delay_32/64.h
...
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make clean failed to delete a few files in
x86/kernel. This is because kbuild does not
see the correct/full kernel/Makefile.
As a workaround until the Makefiles are merged specify
the files to be deleted in the common Makefile.
Reported by Mike Galbraith <efault@gmx.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Mike Galbraith <efault@gmx.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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otherwise get the two copy file list in SRCARCH
for cscope:
C symbol: start_kernel
File Function Line
0 proto.h <global> 11 extern void start_kernel(void );
1 start_kernel.h <global> 10 extern asmlinkage void __init start_kernel(void );
2 head32.c i386_start_kernel 37 start_kernel();
3 head32.c i386_start_kernel 37 start_kernel();
4 head64.c x86_64_start_kernel 85 start_kernel();
5 head64.c x86_64_start_kernel 85 start_kernel();
6 head_32.S options 199 cmpb $0,%cl #the first CPU calls start_kernel
7 head_32.S options 199 cmpb $0,%cl #the first CPU calls start_kernel
8 enlighten.c xen_start_kernel 1145 start_kernel();
9 enlighten.c xen_start_kernel 1145 start_kernel();
a lguest.c lguest_init 1095 start_kernel();
b main.c start_kernel 513 asmlinkage void __init start_kernel(void )
after the patch:
C symbol: start_kernel
File Function Line
0 proto.h <global> 11 extern void start_kernel(void );
1 start_kernel.h <global> 10 extern asmlinkage void __init start_kernel(void );
2 head32.c i386_start_kernel 37 start_kernel();
3 head64.c x86_64_start_kernel 85 start_kernel();
4 head_32.S options 199 cmpb $0,%cl #the first CPU calls start_kernel
5 enlighten.c xen_start_kernel 1145 start_kernel();
6 lguest.c lguest_init 1095 start_kernel();
7 main.c start_kernel 513 asmlinkage void __init start_kernel(void )
Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Fix rebuild of kernel when there is no changes.
This happened for i386.
Using make V=2 hinted that the output files were
not assigned to targets - fixed by this patch.
Reported by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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This patch:
- makes .gitignore files visible to git
- makes arch/x86/kernel/vsyscall_32.lds and arch/i386/boot invisible
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Almost identical except for the extra DR_LEN_8 and the different
DR_CONTROL_RESERVED defines.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Conflicts:
include/asm-x86/Kbuild
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32bit has an extra UNW_FP define, which does not hurt.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Mostly the same. Make the few exceptions conditional.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Conflicts:
include/asm-x86/types_32.h
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Same file, except for whitespace, comment formatting.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for the 64bit PREAMBLE_SIZE define.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace, comment formatting and the
.long/.quad delta which can be solved by a define.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for the extra 64bit MAP_32BIT define, which does not hurt
for 32 bit compiles.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The 32bit D(n) debug addon can be made exclusive for 32 bit compiles.
Otherwise all the same.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The 64 bit variant has additional function prototypes which do no harm
for 32 bit.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace and comment formatting.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace, comment formatting and:
32-bit: if((unsigned int) addr >= (unsigned int) high_memory)
64-bit: if((unsigned long) addr >= (unsigned long) high_memory)
where the latter can be used safely for both.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Conflicts:
include/asm-x86/floppy_32.h
include/asm-x86/floppy_64.h
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commit 554d284ba90bc2306c31e5363789f05c320969c3 added _GPF_NORETRY
to floppy_64.h to prevent OOM killer on floppy DMA allocations.
Apply the same to the 32 bit variant.
Found during the attempt to unify the _32/_64 variants. Seperate commit
to document the resulting code change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace, comment formatting and the two variants
of fb_is_primary_device()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace, comment formatting and:
32-bit: unsigned long *virt_addr = va;
64-bit: unsigned int *virt_addr = va;
Both can be safely replaced by:
u32 i, *virt_addr = va;
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Unification, so we have these things in one file.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace, comment formatting and the extra
function prototype usc_tsc_delay() in _32.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace, comment formatting and the extra
defines in _64, which are conditional on VSMP anyway.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace, comment formatting and the extra
DEBUG_PAGE_ALLOC function in _32.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace, comment formatting and the
AT_SYSINFO define for 32bit
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Same file, except for whitespace, comment formatting and the
usage of wbinvd() instead of asm volatile("wbinvd":::"memory"), which is
the same.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Scripted unification.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Merge errno.h, resource.h, rtc.h, sections.h, serial.h and sockios.h,
where i386 and x86_64 have no or only trivial comment/include guard
differences.
Build tested on both 32-bit and 64-bit, and booted on 64-bit.
[tglx: fixup Kbuild as well]
Signed-off-by: Roland Dreier <roland@digitalvampire.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Merge 32/64-bit headers that simply redirect to asm-generic
[tglx: fixup Kbuild as well]
Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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