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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (21 commits)
[POWERPC] Turn on ATA_SFF so we get SATA_SVW back in defconfigs
[POWERPC] Remove ppc32's export of console_drivers
[POWERPC] Fix -Os kernel builds with newer gcc versions
[POWERPC] Fix bootwrapper builds with newer gcc versions
[POWERPC] Build fix for drivers/macintosh/mediabay.c
[POWERPC] Fix warning in pseries/eeh_driver.c
[POWERPC] Add missing of_node_put in drivers/macintosh/therm_adt746x.c
[POWERPC] Add missing of_node_put in drivers/macintosh/smu.c
[POWERPC] Add missing of_node_put in pseries/nvram.c
[POWERPC] Fix return value check logic in debugfs virq_mapping setup
[POWERPC] Fix rmb to order cacheable vs. noncacheable
powerpc/spufs: fix missed stop-and-signal event
powerpc/spufs: synchronize interaction between spu exception handling and time slicing
powerpc/spufs: remove class_0_dsisr from spu exception handling
powerpc/spufs: wait for stable spu status in spu_stopped()
[POWERPC] bootwrapper: add simpleImage* to list of boot targets
[POWERPC] 83xx: MPC837xRDB's VSC7385 ethernet switch isn't on the MDIO bus
[POWERPC] Updated Freescale PPC defconfigs
[POWERPC] 8610: Update defconfig for MPC8610 HPCD
[POWERPC] 85xx: MPC8548CDS - Fix size of PCIe IO space
...
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Au1200: MMC resource size off by one
[MIPS] TANBAC: Update defconfig
[MIPS] Vr41xx: Initialize PCI io_map_base
[MIPS] Malta: Always compile MTD platform device registration code.
[MIPS] Malta: Fix build errors for 64-bit kernels
[MIPS] Lasat: sysctl fixup
[MIPS] Fix buggy use of kmap_coherent.
[MIPS] Lasat: bring back from the dead
[MIPS] vpe_id is required for VSMP and SMTC builds
[MIPS] Export smp_call_function and smp_call_function_single.
[MIPS] Bring the SWARM defconfig up to date
[MIPS] Sibyte: Build RTC support as an object
[MIPS] Fix the fix for divide by zero error in build_{clear,copy}_page
[MIPS] Fix build for PNX platforms.
[MIPS] Add RM200 with R5000 CPU to known ARC machines
[MIPS] Better load address for big endian SNI RM
[MIPS] SB1250: Initialize io_map_base
[MIPS] Alchemy: Add au1500 reserved interrupt
[MIPS] Export empty_zero_page for sake of the ext4 module.
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Kill linux/a.out.h inclusions in the MN10300 arch code.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Au12x0 MMC platform device strangely claims 0x41 bytes for its
memory-mapped registers. Make it claim the whole 0x80000 instead according
to the memory map given in the datasheets.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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These boards need cca setup on CMDLINE.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fix 64-bit Malta by using CKSEG0ADDR and correct casts.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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LASAT's sysctl interface was broken, it failed a check during boot because
a single entry had a sysctl number and the rest were unnumbered. When I
fixed it I noticed that the whole sysctl file needed a spring clean, it was
using mutexes where it wasn't needed (it's only needed to protect during
writes to the EEPROM), so I moved that stuff out and generally cleaned the
whole thing up.
So now, LASAT's sysctl/proc interface is working again.
Signed-off-by: Thomas Horsten <thomas@horsten.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Assuming the call of kmap_coherent in local_r4k_flush_cache_page doesn't
need fixing this was skipped in fcae549295bcae801ac48fc1c2030ab8cc487020.
Turns out it needed the same change after all.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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After the common MIPS CPU interrupt controller (for irq0-7) was introduced
the Lasat boards didn't get their interrupts right, so nothing worked. The
old routines need to be offset by the new 8 hardware interrupts common to
all MIPS CPU's.
Signed-off-by: Thomas Horsten <thomas@horsten.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The SWARM defconfig file has not been regenerated for over a year now.
Here is a patch to bring the file up to date. Additionally some important
and sometimes confusing changes happened meanwhile. Here is the list of
notable corresponding updates to the configuration:
1. CPU_SB1_PASS_2_2 is now selected rather than CPU_SB1_PASS_1. The
latter requires a non-standard -msb1-pass1-workarounds option to be
supported by GCC and I am told is quite rare anyway.
[Ralf: Afaik -msb1-pass1-workarounds is available only in Monta Vista's
special Sibyte gcc 3.0 variant and gcc 3.0 is too old to build a modern
kernel anyway.]
2. PHYLIB and BROADCOM_PHY are both built in and NETDEV_1000 enabled as
required by SB1250_MAC.
3. USB and USB_OHCI_HCD are enabled as there is an OHCI chip onboard.
4. TMPFS is enabled, because I use it. ;-)
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Build the SWARM platform library is as an object rather than an archive
so that files which only contain symbols used by initcalls and do not
provide any symbols that would pull them from an archive still work.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Build error was caused by commit 351336929ccf222ae38ff0cb7a8dd5fd5c6236a0.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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RM200 with R5ks have a little bit different arcname.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Use better load address for big endian kernels to avoid clashes with
PROM / SASH.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Correctly initialize io_map_base for the SB1250 PCI controller as required
for proper iomap support. Based on a proposal from Daniel Jacobowitz.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This enables CONFIG_ATA_SFF in the defconfigs that are intended to
work on a G5 powermac, i.e. g5_defconfig and ppc64_defconfig. Since
the support for the SATA cell in the K2 chipset is provided by the
sata_svw.c driver, and that depends on CONFIG_ATA_SFF, we need to turn
that and CONFIG_SATA_SVW back on so we can get to the hard disk on G5s.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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There are no in-tree uses of the export any more and in linux-next there
is a change that exports it globally which causes warnings:
WARNING: vmlinux: 'console_drivers' exported twice. Previous export was in vmlinux
and in one case (mpc85xx_defconfig) a build error:
kernel/built-in.o: In function `__crc_console_drivers':
(*ABS*+0x1eb0e6f5): multiple definition of `__crc_console_drivers'
So remove the export now. Also, there is no longer any need to include
linux/console.h.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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GCC 4.4.x looks to be adding support for generating out-of-line register
saves/restores based on:
http://gcc.gnu.org/ml/gcc-patches/2008-04/msg01678.html
This breaks the kernel if we enable CONFIG_CC_OPTIMIZE_FOR_SIZE. To fix
this we add the use the save/restore code from gcc and simplified it down
for our needs (integer only).
Additionally, we have to link this code into each module. The other
solution was to add EXPORT_SYMBOL() which meant going through the
trampoline which seemed nonsensical for these out-of-line routines.
Finally, we add some checks to prom_init_check.sh to ignore the
out-of-line save/restore functions.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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GCC 4.4.x looks to be adding support for generating out-of-line register
saves/restores based on:
http://gcc.gnu.org/ml/gcc-patches/2008-04/msg01678.html
This breaks the bootwrapper as we'd need to link with libgcc to get the
implementation of the register save/restores.
To workaround this issue, we just stole the save/restore code from gcc
and simplified it down for our needs (integer only).
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Fix this:
/usr/src/devel/arch/powerpc/platforms/pseries/eeh_driver.c: In function 'print_device_node_tree':
/usr/src/devel/arch/powerpc/platforms/pseries/eeh_driver.c:55: warning: ISO C90 forbids mixed declarations and code
also make that function look like it's part of Linux.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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of_node_put is needed before discarding a value received from
of_find_node_by_type, eg in error handling code.
The semantic patch that makes the change is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
struct device_node *n;
struct device_node *n1;
struct device_node *n2;
statement S;
identifier f1,f2;
expression E1,E2;
constant C;
@@
n = of_find_node_by_type(...)
...
if (!n) S
... when != of_node_put(n)
when != n1 = f1(n,...)
when != E1 = n
when any
when strict
(
+ of_node_put(n);
return -C;
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of_node_put(n);
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n2 = f2(n,...)
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E2 = n
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return ...;
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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debugfs_create_file() returns a non-NULL (non-zero) value in case of
success, not a NULL value.
This fixes this non-critical boot-time debugging error message:
[ 1.316386] calling irq_debugfs_init+0x0/0x50
[ 1.316399] initcall irq_debugfs_init+0x0/0x50 returned -12 after 0 msecs
[ 1.316411] initcall irq_debugfs_init+0x0/0x50 returned with error code -12
Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Acked-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jk/spufs into merge
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There is a delay in the transition to the stopped state for class 2
interrupts. In some cases, the controlling thread detects the state of
the spu as running, and goes back to sleep resulting in a hung
application as the event is missed.
This change detects the stop condition and re-generates the wakeup event
after a context save.
Signed-off-by: Luke Browning <lukebrowning@us.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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time slicing
Time slicing can occur at the same time as spu exception handling
resulting in the wakeup of the wrong thread.
This change uses the the spu's register_lock to enforce synchronization
between bind/unbind and spu exception handling so that they are
mutually exclusive.
Signed-off-by: Luke Browning <lukebrowning@us.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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According to the CBEA, the SPU dsisr is not updated for class 0
exceptions.
spu_stopped() is testing the dsisr that was passed to it from the class
0 exception handler, so we return a false positive here.
This patch cleans up the interrupt handler and erroneous tests in
spu_stopped. It also removes the fields from the csa since it is not
needed to process class 0 events.
Signed-off-by: Luke Browning <lukebrowning@us.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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If the spu is stopping (ie, the SPU_STATUS_RUNNING bit is still set),
re-read the register to get the final stopped value.
Signed-off-by: Luke Browning <lukebrowning@us.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into merge
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: fixup write combine comment in pci_mmap_resource
x86: PAT export resource_wc in pci sysfs
x86, pci-dma.c: don't always add __GFP_NORETRY to gfp
suspend-vs-iommu: prevent suspend if we could not resume
x86: pci-dma.c: use __GFP_NO_OOM instead of __GFP_NORETRY
pci, x86: add workaround for bug in ASUS A7V600 BIOS (rev 1005)
PCI: use dev_to_node in pci_call_probe
PCI: Correct last two HP entries in the bfsort whitelist
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* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
parisc: update my email address
parisc: fix miscompilation of ip_fast_csum with gcc >= 4.3
parisc: fix off by one in setup_sigcontext32
parisc: export empty_zero_page
parisc: export copy_user_page_asm
parisc: move head.S to head.text section
Revert "parisc: fix trivial section name warnings"
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Thankfully, the values were irrelevant... Spotted by
newer gcc.
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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Needed by ext4 when built as a module.
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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Needed by fuse (via copy_highpage).
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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And explicitly list it in vmlinux.lds...
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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This reverts commit bd3bb8c15b9a80dbddfb7905b237a4a11a4725b4.
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5091/1: Add missing bitfield include to regs-lcd.h
[ARM] 5090/1: Correct pxafb palette typo error
[ARM] 5077/1: spi: fix list scan success verification in PXA ssp driver
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Recently (around 2.6.25) I've noticed that RTC no longer works for me. It
turned out this is because I use pnpacpi=off kernel option to work around
the parport_pc bugs. I always did so, but RTC used to work fine in the
past, and now it have regressed.
The patch fixes the problem by creating the platform device for the RTC
when PNP is disabled. This may also help running the PNP-enabled kernel
on an older PCs.
Signed-off-by: Stas Sergeev <stsp@aknet.ru>
Cc: David Brownell <david-b@pacbell.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fedora broke PTRACE_SYSEMU again, and UML crashes as a result when it
doesn't need to. This patch makes the PTRACE_SYSEMU check fail gracefully
and makes UML fall back to PTRACE_SYSCALL.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I allowed an include of asm/user.h to sneak back in. This patch replaces
it with sys/user.h.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The coldfire timer must be initialised to n - 1 if we want it to count n
cycles between each tick interrupt. This was already fixed, but has been
lost with the conversion to GENERIC_TIMER.
Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Acked-by: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip into for-linus
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: fix pointer type warning in arch/x86/mm/init_64.c:early_memtest
x86, lockdep: fix "WARNING: at kernel/lockdep.c:2658 check_flags+0x4c/0x128()"
x86: fix an incompatible pointer type warning on 64-bit compilations
x86: fix lockdep warning during suspend-to-ram
x86: fix unused variable 'loops' warning in arch/x86/boot/a20.c
Revert "x86: fix ioapic bug again"
x86: fix asm warning in head_32.S
x86: fix endless page faults in mount_block_root for Linux 2.6
geode: fix modular build
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Changed the call to find_e820_area_size to pass u64 instead of unsigned long.
Signed-off-by: Kevin Winchester <kjwinchester@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Alessandro Suardi reported:
> Recently upgraded my FC6 desktop to Fedora 9; with the
> latest nautilus RPM updates my VNC session went nuts
> with nautilus pegging the CPU for everything that breathed.
>
> I now reverted to an earlier nautilus package, but during
> the peak CPU period my kernel spat this:
>
> [314185.623294] ------------[ cut here ]------------
> [314185.623414] WARNING: at kernel/lockdep.c:2658 check_flags+0x4c/0x128()
> [314185.623514] Modules linked in: iptable_filter ip_tables x_tables
> sunrpc ipv6 fuse snd_via82xx snd_ac97_codec ac97_bus snd_mpu401_uart
> snd_rawmidi via686a hwmon parport_pc sg parport uhci_hcd ehci_hcd
> [314185.623924] Pid: 12314, comm: nautilus Not tainted 2.6.26-rc5-git2 #4
> [314185.624021] [<c0115b95>] warn_on_slowpath+0x41/0x7b
> [314185.624021] [<c010de70>] ? do_page_fault+0x2c1/0x5fd
> [314185.624021] [<c0128396>] ? up_read+0x16/0x28
> [314185.624021] [<c010de70>] ? do_page_fault+0x2c1/0x5fd
> [314185.624021] [<c012fa33>] ? __lock_acquire+0xbb4/0xbc3
> [314185.624021] [<c012d0a0>] check_flags+0x4c/0x128
> [314185.624021] [<c012fa73>] lock_acquire+0x31/0x7d
> [314185.624021] [<c0128cf6>] __atomic_notifier_call_chain+0x30/0x80
> [314185.624021] [<c0128cc6>] ? __atomic_notifier_call_chain+0x0/0x80
> [314185.624021] [<c0128d52>] atomic_notifier_call_chain+0xc/0xe
> [314185.624021] [<c0128d81>] notify_die+0x2d/0x2f
> [314185.624021] [<c01043b0>] do_int3+0x1f/0x4d
> [314185.624021] [<c02f2d3b>] int3+0x27/0x2c
> [314185.624021] =======================
> [314185.624021] ---[ end trace 1923f65a2d7bb246 ]---
> [314185.624021] possible reason: unannotated irqs-off.
> [314185.624021] irq event stamp: 488879
> [314185.624021] hardirqs last enabled at (488879): [<c0102d67>]
> restore_nocheck+0x12/0x15
> [314185.624021] hardirqs last disabled at (488878): [<c0102dca>]
> work_resched+0x19/0x30
> [314185.624021] softirqs last enabled at (488876): [<c011a1ba>]
> __do_softirq+0xa6/0xac
> [314185.624021] softirqs last disabled at (488865): [<c010476e>]
> do_softirq+0x57/0xa6
>
> I didn't seem to find it with some googling, so here it is.
>
> I was incidentally ltracing that process to try and find out
> what was gulping down that much CPU (sorry, no idea
> whether ltrace and the WARNING happened at the same
> time or which came first) and:
Yeah, this is extremely likely to be the source of the warning.
The warning should be harmless, however.
> Box is my trusty noname K7-800, 512MB RAM; if there's
> anything else useful I might be able to provide, just ask.
It would be interesting to see where the int3 comes from. Too bad,
lockdep doesn't provide the register dump. The stacktrace also doesn't
go further than the int3(), I wonder if this int3 came from userspace?
The ltrace readme says "software breakpoints, like gdb", so I guess
this is the case. Yep, seems like it.
This looks relevant:
| commit fb1dac909d94ff807cd833d340c6827c3a957159
| Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
| Date: Wed Jan 16 09:51:59 2008 +0100
|
| lockdep: more hardirq annotations for notify_die()
I'm attaching a similarly-looking patch for this case (DO_VM86_ERROR),
though I suspect it might be missing for the other cases
(DO_ERROR/DO_ERROR_INFO) as well.
Reported-by: Alessandro Suardi <alessandro.suardi@gmail.com>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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