Stephen Rothwell [Fri, 14 Oct 2005 07:09:16 +0000 (17:09 +1000)]
powerpc: move iSeries/HvCallHpt.h to platforms/iseries/call_hpt.h
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Fri, 14 Oct 2005 06:49:58 +0000 (16:49 +1000)]
powerpc: eliminate DsaAddr from pci_dn
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Fri, 14 Oct 2005 05:06:10 +0000 (15:06 +1000)]
powerpc: remove ISERIES_[SUB]BUS macros
This allows us to simplify a couple of things.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Fri, 14 Oct 2005 04:51:42 +0000 (14:51 +1000)]
powerpc: move iSeries/iSeries_pci.h to platforms/iseries
The only real user of this file outside platforms/iseries was
drivers/net/iseries_veth.c but all it wanted was ISERIES_HV_ADDR()
so we move that to abs_addr.h (and lowercase it).
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 13 Oct 2005 06:14:15 +0000 (16:14 +1000)]
powerpc: fix uname -m
It will now give ppc64 on 64bit platforms and ppc on 32bit
platforms.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 13 Oct 2005 05:52:04 +0000 (15:52 +1000)]
powerpc: merge ptrace.c
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 13 Oct 2005 05:16:25 +0000 (15:16 +1000)]
ppc64: use powerpc of_device.c
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 13 Oct 2005 04:12:25 +0000 (14:12 +1000)]
ppc64: fix arch/ppc64/kernel/Makefile
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 13 Oct 2005 03:40:54 +0000 (13:40 +1000)]
ppc64: merge binfmt_elf32.c
and use start_thread for both 32 and 64 bit bineries.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Wed, 12 Oct 2005 13:23:44 +0000 (23:23 +1000)]
powerpc: make 64 bit binaries work
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Wed, 12 Oct 2005 07:44:55 +0000 (17:44 +1000)]
powerpc: create 32 bit LOADADDR macro
and use it in misc_32.S
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Wed, 12 Oct 2005 05:55:09 +0000 (15:55 +1000)]
powerpc: consolidate cputable.c
Also simplify arch/ppc64/kernel/Makefile
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Paul Mackerras [Wed, 12 Oct 2005 07:03:36 +0000 (17:03 +1000)]
ppc64: Remove duplicate versions of some headers
This removes three headers from include/asm-ppc64 that are now in
include/asm-powerpc and are sufficiently similar that they can be
used with ARCH=ppc64.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 12 Oct 2005 07:01:50 +0000 (17:01 +1000)]
powerpc: Bring in some changes made to arch/ppc and include/asm-ppc64
Recent commits upstream have changed files which are currently
duplicated in arch/powerpc and include/asm-powerpc. This updates
them with the corresponding changes.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 12 Oct 2005 06:58:53 +0000 (16:58 +1000)]
powerpc: Move default hash table size calculation to hash_utils_64.c
We weren't computing the size of the hash table correctly on iSeries
because the relevant code in prom.c was #ifdef CONFIG_PPC_PSERIES.
This moves the code to hash_utils_64.c, makes it unconditional, and
cleans it up a bit.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 12 Oct 2005 04:43:32 +0000 (14:43 +1000)]
Merge from Linus' tree
Stephen Rothwell [Tue, 11 Oct 2005 09:40:20 +0000 (19:40 +1000)]
powerpc: make iSeries boot again
On ARCH=ppc64 we were getting htab_hash_mask recalculated
to the correct value for our particular machine by accident.
In the merge tree, that code was commented out, so htab_hash_mask
was being corrupted.
We now set ppc64_pft_size instead which gets htab_has_mask
calculated correctly for us later. We should put an
ibm,pft-size property in the device tree at some point.
Also set -mno-minimal-toc in some makefiles.
Allow iSeries to configure PROC_DEVICETREE.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Mon, 10 Oct 2005 07:10:54 +0000 (17:10 +1000)]
powerpc: pci_dn's should point to their device_node's
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Linus Torvalds [Tue, 11 Oct 2005 23:39:24 +0000 (16:39 -0700)]
Merge /pub/scm/linux/kernel/git/davem/sparc-2.6
David S. Miller [Tue, 11 Oct 2005 22:45:16 +0000 (15:45 -0700)]
[SPARC64]: Fix net booting on Ultra5
We were not doing alignment properly when remapping the kernel image.
What we want is a 4MB aligned physical address to map at KERNBASE.
Mistakedly we were 4MB aligning the virtual address where the kernel
initially sits, that's wrong.
Instead, we should PAGE align the virtual address, then 4MB align the
physical address result the prom gives to us.
Signed-off-by: David S. Miller <davem@davemloft.net>
Hugh Dickins [Tue, 11 Oct 2005 18:16:26 +0000 (19:16 +0100)]
[PATCH] Don't map the same page too much
Refuse to install a page into a mapping if the mapping count is already
ridiculously large.
You probably cannot trigger this on 32-bit architectures, but on a
64-bit setup we should protect against it.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Peter Bergner [Tue, 11 Oct 2005 16:28:24 +0000 (09:28 -0700)]
[PATCH] ppc64: Add R_PPC64_TOC16 module reloc
Newer gcc's are generating this relocation, so the module loader needs to
handle it.
Signed-off-by: Peter Bergner <bergner@vnet.ibm.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Michael Krufky [Tue, 11 Oct 2005 16:28:24 +0000 (09:28 -0700)]
[PATCH] V4L: Enable s-video input on DViCO FusionHDTV5 Lite
* bttv-cards.c:
- Enable S-Video input on DViCO FusionHDTV5 Lite
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Hirokazu Takata [Tue, 11 Oct 2005 15:29:09 +0000 (08:29 -0700)]
[PATCH] m32r: trap handler code for illegal traps
This patch prevents illegal traps from causing m32r kernel's infinite loop
execution.
Signed-off-by: Naoto Sugai <sugai@isl.melco.co.jp>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
akpm@osdl.org [Tue, 11 Oct 2005 15:29:08 +0000 (08:29 -0700)]
[PATCH] binfmt_elf bss padding fix
Nir Tzachar <tzachar@cs.bgu.ac.il> points out that if an ELF file specifies a
zero-length bss at a whacky address, we cannot load that binary because
padzero() tries to zero out the end of the page at the whacky address, and
that may not be writeable.
See also http://bugzilla.kernel.org/show_bug.cgi?id=5411
So teach load_elf_binary() to skip the bss settng altogether if the elf file
has a zero-length bss segment.
Cc: Roland McGrath <roland@redhat.com>
Cc: Daniel Jacobowitz <dan@debian.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paolo Galtieri [Tue, 11 Oct 2005 15:29:07 +0000 (08:29 -0700)]
[PATCH] ppc highmem fix
I've noticed that the calculations for seg_size and nr_segs in
__dma_sync_page_highmem() (arch/ppc/kernel/dma-mapping.c) are wrong. The
incorrect calculations can result in either an oops or a panic when running
fsck depending on the size of the partition.
The problem with the seg_size calculation is that it can result in a
negative number if size is offset > size. The problem with the nr_segs
caculation is returns the wrong number of segments, e.g. it returns 1 when
size is 200 and offset is 4095, when it should return 2 or more.
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Suzuki [Tue, 11 Oct 2005 15:29:06 +0000 (08:29 -0700)]
[PATCH] madvise: Avoid returning error code -EBADF for anonymous mappings
Revert this recent correctness change: Douglas Crosher <dcrosher@scieneer.com>
reported that it broke an existing application, and that madvise() works
without error on anonymous mappings on Solaris.
This means that madvise() will remain non-standards-compliant: we should
return -EBADF for all requests against non-file-backed vma's, but Linux only
does this for MADV_WILLNEED requests.
Signed-off-by: Suzuki K P <suzuki@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andreas Gruenbacher [Tue, 11 Oct 2005 15:29:05 +0000 (08:29 -0700)]
[PATCH] nfsacl: Solaris VxFS compatibility fix
Here is a compatibility fix between Linux and Solaris when used with VxFS
filesystems: Solaris usually accepts acl entries in any order, but with
VxFS it replies with NFSERR_INVAL when it sees a four-entry acl that is not
in canonical form. It may also fail with other non-canonical acls -- I
can't tell, because that case never triggers: We only send non-canonical
acls when we fake up an ACL_MASK entry.
Instead of adding fake ACL_MASK entries at the end, inserting them in the
correct position makes Solaris+VxFS happy. The Linux client and server
sides don't care about entry order. The three-entry-acl special case in
which we need a fake ACL_MASK entry was handled in xdr_nfsace_encode. The
patch moves this into nfsacl_encode.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Latchesar Ionkov [Tue, 11 Oct 2005 15:29:03 +0000 (08:29 -0700)]
[PATCH] v9fs: remove additional buffer allocation from v9fs_file_read and v9fs_file_write
v9fs_file_read and v9fs_file_write use kmalloc to allocate buffers as big
as the data buffer received as parameter. kmalloc cannot be used to
allocate buffers bigger than 128K, so reading/writing data in chunks bigger
than 128k fails.
This patch reorganizes v9fs_file_read and v9fs_file_write to allocate only
buffers as big as the maximum data that can be sent in one 9P message.
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Abhay Salunke [Tue, 11 Oct 2005 15:29:02 +0000 (08:29 -0700)]
[PATCH] dell_rbu: changes in packet update mechanism
In the current dell_rbu code ver 2.0 the packet update mechanism makes the
user app dump every individual packet in to the driver.
This adds in efficiency as every packet update makes the
/sys/class/firmware/dell_rbu/loading and data files to disappear and reappear
again. Thus the user app needs to wait for the files to reappear to dump
another packet. This slows down the packet update tremendously in case of
large number of packets. I am submitting a new patch for dell_rbu which will
change the way we do packet updates;
In the new method the user app will create a new single file which has already
packetized the rbu image and all the packets are now staged in this file.
This driver also creates a new entry in
/sys/devices/platform/dell_rbu/packet_size ; the user needs to echo the packet
size here before downloading the packet file.
The user should do the following:
create one single file which has all the packets stacked together.
echo the packet size in to /sys/devices/platform/dell_rbu/packet_size.
echo 1 > /sys/class/firmware/dell_rbu/loading
cat the packetfile > /sys/class/firmware/dell_rbu/data
echo 0 > /sys/class/firmware/dell_rbu/loading
The driver takes the file which came through /sys/class/firmware/dell_rbu/data
and takes chunks of paket_size data from it and place in contiguous memory.
This makes packet update process very efficient and fast. As all the packet
update happens in one single operation. The user can still read back the
downloaded file from /sys/devices/platform/dell_rbu/data.
Signed-off-by: Abhay Salunke <abhay_salunke@dell.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Anton Blanchard [Tue, 11 Oct 2005 15:29:00 +0000 (08:29 -0700)]
[PATCH] ppc64: Fix PCI hotplug
pSeries_irq_bus_setup is marked __devinit but references s7a_workaround
which is marked __initdata.
Depending on who got the memory for s7a_workaround (and if the value was
now positive), it was possible for PCI hotplugged devices to have 3
subtracted from their interrupt number. This would happen randomly and
caused me much confusion :)
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Cornelia Huck [Tue, 11 Oct 2005 15:28:59 +0000 (08:28 -0700)]
[PATCH] s390: ccw device reconnect oops.
Search for a disconnect ccw_device on the ccw bus rather than on the css
bus (was a typo in patch I did for the klist conversion). A cast to an
embedding ccw_device from an embedded device in a struct subchannel will
lead us to oopses.
Signed-off-by: Cornelia Huck <cohuck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paul Mackerras [Tue, 11 Oct 2005 12:10:49 +0000 (22:10 +1000)]
ppc64: compile fix - define execve in misc.S
This used to be inline in include/asm-ppc64/unistd.h, but isn't
inline in the merged include/asm-powerpc/unistd.h, so we need a
definition here.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Tue, 11 Oct 2005 12:09:48 +0000 (22:09 +1000)]
ppc64: Use merged versions of init_task.c and process.c.
These two files are now built in arch/powerpc/kernel instead of
arch/ppc64/kernel.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Tue, 11 Oct 2005 12:08:12 +0000 (22:08 +1000)]
ppc: Various minor compile fixes
This fixes up a variety of minor problems in compiling with ARCH=ppc
arising from using the merged versions of various header files.
A lot of the changes are just adding #include <asm/machdep.h> to
files that use ppc_md or smp_ops_t.
This also arranges for us to use semaphore.c, vecemu.c, vector.S and
fpu.S from arch/powerpc/kernel when compiling with ARCH=ppc.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Tue, 11 Oct 2005 12:03:09 +0000 (22:03 +1000)]
ppc: Adapt to asm-powerpc/irq.h irq_canonicalize changes
Now instead of having a ppc_md function, we just have a variable
which says whether to do the i8259 irq canonicalization or not,
and set that variable on the platforms that need that. It looks
to me that radstone_ppc7d was trying to use irq canonicalization
for something else in a broken kind of way - it will need to be
fixed properly.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Tue, 11 Oct 2005 07:35:20 +0000 (17:35 +1000)]
powerpc: Remove debug messages from setup_64.c
A bunch of printks were left in arch/powerpc/kernel/setup_64.c from
when I was chasing a bug. This removes them.
Signed-off-by: Paul Mackerras <paulus@samba.org>
David S. Miller [Tue, 11 Oct 2005 04:02:26 +0000 (21:02 -0700)]
[SPARC32]: Revert IOMAP change
eb98129eec7fa605f0407dfd92d40ee8ddf5cd9a
Breakage noted by Al Viro.
It breaks non-PCI builds, it's probably better to have a more
direct implementation on sparc32, and which driver actually
needs this is still questionable.
We can resolve this in 2.6.15
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Tue, 11 Oct 2005 03:43:22 +0000 (20:43 -0700)]
[SPARC64]: Fix oops on runlevel change with serial console.
Incorrect uart_write_wakeup() calls cause reference to a
NULL tty pointer in sunsab and sunzilog serial drivers.
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Tue, 11 Oct 2005 01:19:19 +0000 (18:19 -0700)]
Linux v2.6.14-rc4
Paul Mackerras [Mon, 10 Oct 2005 23:47:23 +0000 (09:47 +1000)]
powerpc: Remove xmon.h include from arch/powerpc/platforms/powermac/pic.c
... since it isn't needed.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 23:46:10 +0000 (09:46 +1000)]
powerpc: Merged asm/xmon.h
Xmon itself isn't merged yet, though.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 23:33:08 +0000 (09:33 +1000)]
powerpc: Remove 83xx from arch/powerpc/platforms/Makefile for now
Since we don't have an 83xx directory or a 83xx/Makefile, having
83xx in causes make clean to fail.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 23:28:16 +0000 (09:28 +1000)]
powerpc: Merged asm/i8259.h
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 23:26:48 +0000 (09:26 +1000)]
powerpc: Merged asm/backlight.h
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 23:25:40 +0000 (09:25 +1000)]
powerpc: Make building the boot image work for both 32-bit and 64-bit
At the moment we don't have a merged arch/powerpc/boot, so we build the
boot images in arch/ppc/boot and arch/ppc64/boot. Unfortunately the
makefile targets are different in those two directories, so this makes
a change to accommodate both for the moment.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Andi Kleen [Mon, 10 Oct 2005 23:28:33 +0000 (01:28 +0200)]
[PATCH] i386: Don't discard upper 32bits of HWCR on K8
Need to use long long, not long when RMWing a MSR. I think
it's harmless right now, but still should be better fixed
if AMD adds any bits in the upper 32bit of HWCR.
Bug was introduced with the TLB flush filter fix for i386
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andi Kleen [Mon, 10 Oct 2005 20:32:45 +0000 (22:32 +0200)]
[PATCH] x86_64: Allocate cpu local data for all possible CPUs
CPU hotplug fills up the possible map to NR_CPUs, but it did that after
setting up per CPU data. This lead to CPU data not getting allocated
for all possible CPUs, which lead to various side effects.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Mon, 10 Oct 2005 23:32:32 +0000 (16:32 -0700)]
Merge /pub/scm/linux/kernel/git/davem/sparc-2.6
Linus Torvalds [Mon, 10 Oct 2005 23:31:30 +0000 (16:31 -0700)]
Use the new "kill_proc_info_as_uid()" for USB disconnect too
All the same issues - we can't just save the pointer to the thread, we
must save the pid/uid/euid combination.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Harald Welte [Mon, 10 Oct 2005 17:44:29 +0000 (19:44 +0200)]
[PATCH] Fix signal sending in usbdevio on async URB completion
If a process issues an URB from userspace and (starts to) terminate
before the URB comes back, we run into the issue described above. This
is because the urb saves a pointer to "current" when it is posted to the
device, but there's no guarantee that this pointer is still valid
afterwards.
In fact, there are three separate issues:
1) the pointer to "current" can become invalid, since the task could be
completely gone when the URB completion comes back from the device.
2) Even if the saved task pointer is still pointing to a valid task_struct,
task_struct->sighand could have gone meanwhile.
3) Even if the process is perfectly fine, permissions may have changed,
and we can no longer send it a signal.
So what we do instead, is to save the PID and uid's of the process, and
introduce a new kill_proc_info_as_uid() function.
Signed-off-by: Harald Welte <laforge@gnumonks.org>
[ Fixed up types and added symbol exports ]
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
David S. Miller [Mon, 10 Oct 2005 23:12:13 +0000 (16:12 -0700)]
[SPARC64]: Fix Ultra5, Ultra60, et al. boot failures.
On the boot processor, we need to do the move onto the Linux trap
table a little bit differently else we'll take unhandlable faults in
the firmware address space.
Previously we would do the following:
1) Disable PSTATE_IE in %pstate.
2) Set %tba by hand to sparc64_ttable_tl0
3) Initialize alternate, mmu, and interrupt global
trap registers.
4) Call prom_set_traptable()
That doesn't work very well actually with the way we boot the kernel
VM these days. It worked by luck on many systems because the firmware
accesses for the prom_set_traptable() call happened to be loaded into
the TLB already, something we cannot assume.
So the new scheme is this:
1) Clear PSTATE_IE in %pstate and set %pil to 15
2) Call prom_set_traptable()
3) Initialize alternate, mmu, and interrupt global
trap registers.
and this works quite well. This sequence has been moved into a
callable function in assembler named setup-trap_table(). The idea is
that eventually trampoline.S can use this code as well. That isn't
possible currently due to some complications, but eventually we should
be able to do it.
Thanks to Meelis Roos for the Ultra5 boot failure report.
Signed-off-by: David S. Miller <davem@davemloft.net>
Andi Kleen [Mon, 10 Oct 2005 23:03:39 +0000 (01:03 +0200)]
[PATCH] x86_64: Fix change_page_attr cache flushing
Noticed by Terence Ripperda
Undo wrong change in global_flush_tlb. We need to flush the caches in all
cases, not just when pages were reverted. This was a bogus optimization
added earlier, but it was wrong.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Mon, 10 Oct 2005 17:39:26 +0000 (10:39 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-ucb
Linus Torvalds [Mon, 10 Oct 2005 17:39:14 +0000 (10:39 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Vincent Sanders [Mon, 10 Oct 2005 17:24:09 +0000 (18:24 +0100)]
[ARM] 2968/1: defconfig for the ARM Collie platform
Patch from Vincent Sanders
Add a defconfig for the ARM Collie platform
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Vincent Sanders <vince@arm.linux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Vincent Sanders [Mon, 10 Oct 2005 17:24:08 +0000 (18:24 +0100)]
[ARM] 2967/1: defconfig for the ARM Corgi platform
Patch from Vincent Sanders
Add a defconfig for the ARM Corgi Zarus platform
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Vincent Sanders <vince@arm.linux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Vincent Sanders [Mon, 10 Oct 2005 17:24:07 +0000 (18:24 +0100)]
[ARM] 2966/1: defconfig for the ARM Poodle platform
Patch from Vincent Sanders
Add a defconfig for the ARM Poodle Zarus platform
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Vincent Sanders <vince@arm.linux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Vincent Sanders [Mon, 10 Oct 2005 17:24:06 +0000 (18:24 +0100)]
[ARM] 2965/1: defconfig for the ARM Spitz platform
Patch from Vincent Sanders
Add a defconfig for the ARM Spitz Zarus platform
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Vincent Sanders <vince@arm.linux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Nicolas Pitre [Mon, 10 Oct 2005 17:22:17 +0000 (18:22 +0100)]
[ARM] 2956/1: fix the "Fix gcc4 build errors in ucb1x00-core.c"
Patch from Nicolas Pitre
drivers/mfd/ucb1x00-core.c: In function 'ucb1x00_probe':
drivers/mfd/ucb1x00-core.c:482: error: 'ucb1x00_class' undeclared (first use in this function)
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Markus F.X.J. Oberhumer [Sun, 9 Oct 2005 16:54:23 +0000 (18:54 +0200)]
[PATCH] i386: fix stack alignment for signal handlers
This fixes the setup of the alignment of the signal frame, so that all
signal handlers are run with a properly aligned stack frame.
The current code "over-aligns" the stack pointer so that the stack frame
is effectively always mis-aligned by 4 bytes. But what we really want
is that on function entry ((sp + 4) & 15) == 0, which matches what would
happen if the stack were aligned before a "call" instruction.
Signed-off-by: Markus F.X.J. Oberhumer <markus@oberhumer.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Benjamin Herrenschmidt [Sun, 9 Oct 2005 00:37:47 +0000 (10:37 +1000)]
[PATCH] ide: Workaround PM problem
The logic in ide_do_request() doesn't guarantee that both drives will be
serviced after a call. It may "forget" to service one in some
circumstances, including when one of the drive is suspended (it will
eventually fail to service the slave when the master is suspended for
example). This prevents the wakeup requests that gets queued on wakeup
from sleep from beeing serviced in some cases when 2 drives are sharing
an IDE bus.
The problem is deep enough in the way this code works (and there are
probably a few other problematic but rare corner cases) and fixing it
would require some major rethinking of the way IDE decides which channel
to service. This is not 2.6.14 material. However, in the meantime,
Bart has accepted this simple workaround that will fix the crash on
wakeup from sleep since this specific corner case is actually hitting
users to get into 2.6.14.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Tom Zanussi [Sun, 9 Oct 2005 15:41:32 +0000 (10:41 -0500)]
[PATCH] relayfs: fix bogus param value in call to vmap
The third param in this call to vmap shouldn't be GFP_KERNEL, which
makes no sense, but rather VM_MAP. Thanks to Al Viro for spotting
this.
Signed-off-by: Tom Zanussi <zanussi@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Mon, 10 Oct 2005 15:38:52 +0000 (08:38 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Jeff Dike [Sun, 9 Oct 2005 20:11:44 +0000 (16:11 -0400)]
[PATCH] uml: fix x86_64 with !CONFIG_FRAME_POINTER
UML/x86_64 doesn't run when built with frame pointers disabled. There
was an implicit frame pointer assumption in the stub segfault handler.
With frame pointers disabled, UML dies on handling its first page fault.
The container-of part of this is from Paolo Giarrusso <blaisorblade@yahoo.it>.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Rafael J. Wysocki [Sun, 9 Oct 2005 19:19:40 +0000 (21:19 +0200)]
[PATCH] x86_64: Set up safe page tables during resume
The following patch makes swsusp avoid the possible temporary corruption
of page translation tables during resume on x86-64. This is achieved by
creating a copy of the relevant page tables that will not be modified by
swsusp and can be safely used by it on resume.
The problem is that during resume on x86-64 swsusp may temporarily
corrupt the page tables used for the direct mapping of RAM. If that
happens, a page fault occurs and cannot be handled properly, which leads
to the solid hang of the affected system. This leads to the loss of the
system's state from before suspend and may result in the loss of data or
the corruption of filesystems, so it is a serious issue. Also, it
appears to happen quite often (for me, as often as 50% of the time).
The problem is related to the fact that (at least) one of the PMD
entries used in the direct memory mapping (starting at PAGE_OFFSET)
points to a page table the physical address of which is much greater
than the physical address of the PMD entry itself. Moreover,
unfortunately, the physical address of the page table before suspend
(i.e. the one stored in the suspend image) happens to be different to
the physical address of the corresponding page table used during resume
(i.e. the one that is valid right before swsusp_arch_resume() in
arch/x86_64/kernel/suspend_asm.S is executed). Thus while the image is
restored, the "offending" PMD entry gets overwritten, so it does not
point to the right physical address any more (i.e. there's no page
table at the address pointed to by it, because it points to the address
the page table has been at during suspend). Consequently, if the PMD
entry is used later on, and it _is_ used in the process of copying the
image pages, a page fault occurs, but it cannot be handled in the normal
way and the system hangs.
In principle we can call create_resume_mapping() from
swsusp_arch_resume() (ie. from suspend_asm.S), but then the memory
allocations in create_resume_mapping(), resume_pud_mapping(), and
resume_pmd_mapping() must be made carefully so that we use _only_
NosaveFree pages in them (the other pages are overwritten by the loop in
swsusp_arch_resume()). Additionally, we are in atomic context at that
time, so we cannot use GFP_KERNEL. Moreover, if one of the allocations
fails, we should free all of the allocated pages, so we need to trace
them somehow.
All of this is done in the appended patch, except that the functions
populating the page tables are located in arch/x86_64/kernel/suspend.c
rather than in init.c. It may be done in a more elegan way in the
future, with the help of some swsusp patches that are in the works now.
[AK: move some externs into headers, renamed a function]
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paolo 'Blaisorblade' Giarrusso [Sun, 9 Oct 2005 19:37:53 +0000 (21:37 +0200)]
[PATCH] uml: cleanup whitespace for COW driver
Fix whitespace - I split this off the previous patch for easier review.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paolo 'Blaisorblade' Giarrusso [Sun, 9 Oct 2005 19:37:45 +0000 (21:37 +0200)]
[PATCH] uml: cleanup byte order macros for COW driver
After restoring the existing code, make it work also when included in
kernelspace code (which isn't currently the case, but at least this will prevent
people from "fixing" it as just happened).
Whitespace is fixed in next patch - it cluttered the diff too much.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paolo 'Blaisorblade' Giarrusso [Sun, 9 Oct 2005 19:37:35 +0000 (21:37 +0200)]
[PATCH] uml: restore include breakage, breaking binary format of COW driver
Commit
44456d37b59d8e541936ed26d8b6e08d27e88ac1, between 2.6.13-rc3 and -rc4,
was a "nice cleanup" which broke something. Revert the offending part.
It broke because:
a) because this part doesn't fall under the description
b) the author didn't know what he was doing here
c) the author didn't try to compile the existing code and see that it worked
perfectly.
d) the author didn't ask us what was happening
e) you didn't either, and somebody there should have learned that UML is a bit
different.
In fact, UML is special in linking to host libc and using its includes.
In particular, since host includes always define both __BIG_ENDIAN and
__LITTLE_ENDIAN, ntohll() macros started thinking to be in a big-endian world;
and on-disk compatibility was broken.
Many thanks go to Nix for reporting the problem and correctly diagnosing an
endianness problem.
Btw, this patch restores the previous code, which worked; but the definitions
would be uncorrect if used in kernelspace files.
Next patch addresses that.
Cc: Nix <nix@esperi.org.uk>, Olaf Hering <olh@suse.de>
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paolo 'Blaisorblade' Giarrusso [Sun, 9 Oct 2005 19:37:26 +0000 (21:37 +0200)]
[PATCH] uml: allow building .s/.i/.lst files from userspace files
For files which need to include glibc headers (i.e. userspace files), we
specified the correct flags only for .o, not for .s/.lst/.i. Fix this.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paolo 'Blaisorblade' Giarrusso [Sun, 9 Oct 2005 19:37:18 +0000 (21:37 +0200)]
[PATCH] uml: add mode=skas0 as a synonym of skas0
Too many people were confused by skas0 and tried using "mode=skas0". And after
all, they are right - accept this.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paolo 'Blaisorblade' Giarrusso [Sun, 9 Oct 2005 19:37:05 +0000 (21:37 +0200)]
[PATCH] Uml: hide commands when not being verbose
Add a missing $(Q) to a "ln" invocation.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Steven Rostedt [Mon, 10 Oct 2005 15:13:17 +0000 (11:13 -0400)]
[PATCH] pcmcia: fix task state at pccard thread exit
The pccardd thread has a race in it that it can shutdown in the
TASK_INTERRUPTIBLE state.
Make sure we mark ourselves runnable again as we remove ourselves from
the wait queue.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paul Mackerras [Mon, 10 Oct 2005 12:58:41 +0000 (22:58 +1000)]
powerpc: Start merging 64-bit support into powermac files
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:58:10 +0000 (22:58 +1000)]
powerpc: Fix compilation for 32-bit configs
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:57:03 +0000 (22:57 +1000)]
powerpc: Fix off-by-one error in prom_init.c
This was preventing us from recognizing that we did actually
instantiate RTAS successfully on pSeries.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:56:11 +0000 (22:56 +1000)]
powerpc: Merge asm/unistd.h
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:54:57 +0000 (22:54 +1000)]
powerpc: Merge asm/irq.h
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:52:26 +0000 (22:52 +1000)]
powerpc: Get iseries to compile with ARCH=powerpc
This moves the Device_List member from struct device_node to
struct pci_dn, which cleans up the device_node and makes the code
a little simpler.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:50:37 +0000 (22:50 +1000)]
powerpc: Get 64-bit configs to compile with ARCH=powerpc
This is a bunch of mostly small fixes that are needed to get
ARCH=powerpc to compile for 64-bit. This adds setup_64.c from
arch/ppc64/kernel/setup.c and locks.c from arch/ppc64/lib/locks.c.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:45:07 +0000 (22:45 +1000)]
powerpc: move lparmap.c to arch/powerpc/kernel
Since lparmap.s gets included in arch/powerpc/kernel/head_64.S,
this avoids depending on a file in another directory.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:41:25 +0000 (22:41 +1000)]
powerpc: Fix bug caused by negation of 64-bit reloc_offset value
Although both ppc32 and ppc64 have a reloc_offset function, the ppc64
one produced the opposite sign to the ppc32 one. This standardizes
on the ppc32 sign and fixes the merged 64-bit code to account for that.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:38:46 +0000 (22:38 +1000)]
powerpc: Reduce the 32/64-bit diffs in vmlinux.lds.S
Also adds the definition of the _sdata symbol to the ppc64 vmlinux.lds.S.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:37:57 +0000 (22:37 +1000)]
powerpc: Reduce the 32/64-bit differences in traps.c
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:37:16 +0000 (22:37 +1000)]
powerpc: Make prom_init.c suitable for both 32-bit and 64-bit
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:36:14 +0000 (22:36 +1000)]
powerpc: Introduce entry_{32,64}.S, misc_{32,64}.S, systbl.S
The system call table has been consolidated into systbl.S. We have
separate 32-bit and 64-bit versions of entry.S and misc.S since the
code is mostly sufficiently different to be not worth merging.
There are some common bits that will be extracted in future.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:29:05 +0000 (22:29 +1000)]
powerpc: make process.c suitable for both 32-bit and 64-bit
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:25:26 +0000 (22:25 +1000)]
powerpc: Use arch/powerpc/mm and arch/powerpc/lib for 64-bit
This also puts a copy of indirect_pci.c in arch/powerpc/sysdev
so that we don't need to build in arch/ppc/syslib.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:20:10 +0000 (22:20 +1000)]
powerpc: Use reg.h instead of processor.h when we just want reg names
Now that the register names and bit definitions are all in reg.h,
use that instead of processor.h in assembly code in a few places.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:15:52 +0000 (22:15 +1000)]
powerpc: Merge Kconfig.debug
This merges in the ppc64 bits into arch/powerpc/Kconfig.debug
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:13:53 +0000 (22:13 +1000)]
powerpc: rename powermac files to remove pmac_ prefix
Since the files are now in arch/powerpc/platforms/powermac, the
pmac_ prefix that they had is redundant.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:07:35 +0000 (22:07 +1000)]
ppc64: Use SPRN_ prefix for special purpose register names
Now that we are using the merged reg.h we have to use the SPRN_xxx
names rather than the xxx names.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 12:03:41 +0000 (22:03 +1000)]
powerpc: move pSeries files to arch/powerpc/platforms/pseries
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 11:58:35 +0000 (21:58 +1000)]
powerpc: Merge arch/ppc64/mm to arch/powerpc/mm
This moves the remaining files in arch/ppc64/mm to arch/powerpc/mm,
and arranges that we use them when compiling with ARCH=ppc64.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 11:52:43 +0000 (21:52 +1000)]
powerpc: Rename files to have consistent _32/_64 suffixes
This doesn't change any code, just renames things so we consistently
have foo_32.c and foo_64.c where we have separate 32- and 64-bit
versions.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Mon, 10 Oct 2005 10:49:07 +0000 (20:49 +1000)]
ppc64: Use the merged lmb routines
The only real change here is that lmb_enforce_memory_limit now takes
the memory_limit as a parameter instead of as a global variable.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Ben Dooks [Mon, 10 Oct 2005 09:20:07 +0000 (10:20 +0100)]
[ARM] 2964/1: S3C2410 - serial: add .owner to driver
Patch from Ben Dooks
Initialise the driver's .owner field so that
the device driver can be referenced to the
module that owns it
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Ben Dooks [Mon, 10 Oct 2005 09:20:06 +0000 (10:20 +0100)]
[ARM] 2963/1: S3C2410 - add .owner field to device_driver
Patch from Ben Dooks
Add initialisation of .owner field so that
the device driver can be referenced to the
module that owns it.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Richard Purdie [Mon, 10 Oct 2005 09:20:06 +0000 (10:20 +0100)]
[ARM] 2962/1: scoop: Allow GPIO pin suspend state to be specified
Patch from Richard Purdie
Allow the GPIO pin suspend states to be specified for SCOOP devices.
This is needed for correct operation on the spitz platform.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Richard Purdie [Mon, 10 Oct 2005 09:17:45 +0000 (10:17 +0100)]
[ARM] 2961/1: corgi: Add missing include
Patch from Richard Purdie
Add a missing include from corgi.c
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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