Commit Graph

33259 Commits

Author SHA1 Message Date
Al Viro
d51374adf5 [PATCH] mark context of syscall entered with no rules as dummy
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-08-03 10:59:26 -04:00
Al Viro
471a5c7c83 [PATCH] introduce audit rules counter
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-08-03 10:55:18 -04:00
Amy Griffis
5422e01ac1 [PATCH] fix audit oops with invalid operator
Michael C Thompson wrote:  [Tue Aug 01 2006, 02:36:36PM EDT]
> The trigger for this oops is:
> # auditctl -a exit,always -S pread64 -F 'inode<1'

Setting the err value will fix it.

Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-08-03 10:54:43 -04:00
Amy Griffis
6988434ee5 [PATCH] fix oops with CONFIG_AUDIT and !CONFIG_AUDITSYSCALL
Always initialize the audit_inode_hash[] so we don't oops on list rules.

Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-08-03 10:50:39 -04:00
Amy Griffis
73d3ec5aba [PATCH] fix missed create event for directory audit
When an object is created via a symlink into an audited directory, audit misses
the event due to not having collected the inode data for the directory.  Modify
__audit_inode_child() to copy the parent inode data if a parent wasn't found in
audit_names[].

Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-08-03 10:50:30 -04:00
Amy Griffis
3e2efce067 [PATCH] fix faulty inode data collection for open() with O_CREAT
When the specified path is an existing file or when it is a symlink, audit
collects the wrong inode number, which causes it to miss the open() event.
Adding a second hook to the open() path fixes this.

Also add audit_copy_inode() to consolidate some code.

Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-08-03 10:50:21 -04:00
Takashi Iwai
6cb53e7ed7 [ALSA] Don't reject O_RDWR at opening PCM OSS with read/write-only device
Accept O_RDWR at opening a PCM OSS device that is read- or write-only,
just for the compatibility with the behavior of older versions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-08-03 15:21:31 +02:00
James Courtier-Dutton
264f9577a5 [ALSA] snd-emu10k1: Implement support for Audigy 2 ZS [SB0353]
Fixes ALSA bug#1365.

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-08-03 15:21:29 +02:00
Johannes Berg
4226906361 [ALSA] add MAINTAINERS entry for snd-aoa
This adds me into the MAINTAINERS file for the AOA driver.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-08-03 15:21:27 +02:00
Johannes Berg
be6a83dd66 [ALSA] aoa: platform function gpio: ignore errors from functions that don't exist
Sometimes we simply want to turn off or on everything, and when recently a
warning was added when a certain platform function can't be called, this
triggered all the time in those cases. This patch shows the warning only if
the error was different from the function not existing.
The alternative would be to not even try calling the function when it
doesn't exist by first checking which exist and then only calling those that
do, but that adds complexity that isn't necessary.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-08-03 15:21:25 +02:00
Johannes Berg
545b07d362 [ALSA] make snd-powermac load even when it can't bind the device
This patch makes snd-powermac load when it can't bind the device right
away. That's the expected behaviour for hotplugging, but fixes an
important problem I was seeing with doing a modprobe snd-powermac with
a version that refuses loading on machines with layout-id: snd-powermac
would create a bunch of uevents and then refuse to load, the uevents
causing udev to reload it again, ad eternum.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-08-03 15:21:24 +02:00
Johannes Berg
6e8331ac69 [ALSA] aoa: fix toonie codec
This patch fixes the toonie codec to be actually usable.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-08-03 15:21:22 +02:00
Johannes Berg
2566d36ab4 [ALSA] aoa: feature gpio layer: fix IRQ access
The IRQ rework caused some hiccups here, in some cases we call
get_irq without a device node. This patch makes it catch that
case and return NO_IRQ when it happens, along with changing the
place where the irq is checked to check for NO_IRQ instead of -1.
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-08-03 15:21:20 +02:00
Panagiotis Issaris
59feddb25f [ALSA] Conversions from kmalloc+memset to k(z|c)alloc
sound: Conversions from kmalloc+memset to k(c|z)alloc.

Signed-off-by: Panagiotis Issaris <takis@issaris.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-08-03 15:21:18 +02:00
James Courtier-Dutton
fb6a0d635d [ALSA] snd-emu10k1: Fixes ALSA bug#2190
Fixes ALSA bug#2190 System hangs on unplugging Audigy 2 ZS
Notebook CardBus card.

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2006-08-03 15:21:16 +02:00
Linus Torvalds
46f5960fdb Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (32 commits)
  [NET]: Fix more per-cpu typos
  [SECURITY]: Fix build with CONFIG_SECURITY disabled.
  [I/OAT]: Remove CPU hotplug lock from net_dma_rebalance
  [DECNET]: Fix for routing bug
  [AF_UNIX]: Kernel memory leak fix for af_unix datagram getpeersec patch
  [NET]: skb_queue_lock_key() is no longer used.
  [NET]: Remove lockdep_set_class() call from skb_queue_head_init().
  [IPV6]: SNMPv2 "ipv6IfStatsOutFragCreates" counter error
  [IPV6]: SNMPv2 "ipv6IfStatsInHdrErrors" counter error
  [NET]: Kill the WARN_ON() calls for checksum fixups.
  [NETFILTER]: xt_hashlimit/xt_string: missing string validation
  [NETFILTER]: SIP helper: expect RTP streams in both directions
  [E1000]: Convert to netdev_alloc_skb
  [TG3]: Convert to netdev_alloc_skb
  [NET]: Add netdev_alloc_skb().
  [TCP]: Process linger2 timeout consistently.
  [SECURITY] secmark: nul-terminate secdata
  [NET] infiniband: Cleanup ib_addr module to use the netevents
  [NET]: Core net changes to generate netevents
  [NET]: Network Event Notifier Mechanism.
  ...
2006-08-02 22:35:26 -07:00
Linus Torvalds
90eb29efd0 Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (24 commits)
  Revert "[PATCH] USB: move usb_device_class class devices to be real devices"
  Revert "[PATCH] USB: convert usb class devices to real devices"
  USB: UHCI: Don't test the Short Packet Detect bit
  USB: unusual_devs entry for Nokia 3250
  USB: dummy-hcd: disable interrupts during req->complete
  USB: fix the USB_GADGET_DUMMY_HCD dependencies
  USB: ati_remote.c: autorepeat fix
  USB: doc: fixes devio.c location in proc_usb_info.txt.
  USB: doc: usb-help.txt update.
  USB: Patch for rtl8150 to fix unplug problems
  USB: cypress driver comment updates
  USB: unusual_devs device removal
  usb-storage: Add US_FL_IGNORE_DEVICE flag; ignore ZyXEL G220F
  USB: New USB ID for Belkin Serial Adapter
  USB: Additional PID for the ftdi_sio driver
  USB: adding support for SHARP WS003SH to ipaq.c
  USB: Fix Freescale high-speed USB host dependency
  USB: Removed 3-port device handler from Option driver
  USB: Drop Sierra Wireless MC8755 from the Option driver
  USB: Let option driver handle Anydata CDMA modems. Remove anydata driver.
  ...
2006-08-02 20:25:35 -07:00
Linus Torvalds
1398ab7cb9 Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 3743/1: ARM: OMAP: Fix compile for OMAP
  [ARM] 3739/1: genirq updates:  irq_chip, add and use irq_chip.name
2006-08-02 20:21:23 -07:00
Muli Ben-Yehuda
a166222cde [PATCH] x86_64: Fix CONFIG_IOMMU_DEBUG
If CONFIG_IOMMU_DEBUG is set force_iommu defaults to 1. In the case
where no HW IOMMU is present in the machine and we end up using nommu,
leaving force_iommu set to 1 causes dma_alloc_coherent to do the wrong
thing. Therefore, if we end up using nommu, make sure force_iommu is
0.

Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-08-02 20:19:54 -07:00
Andi Kleen
2699500b31 [PATCH] x86_64: Fix backtracing for interrupt stacks
Re-add backlink for old style unwinder to stack switching.  Add proper
stack frame and CFI annotations to call_softirq

This prevents a oops when backtracing with fallback through the
interrupt stack top.

Suggested by Jan Beulich and Herbert Xu wanted it in 2.6.18.

Cc: jbeulich@novell.com
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-08-02 20:19:54 -07:00
Linus Torvalds
ae74c3b69a Fix force_sig_info() semantics after cleanups
Suresh points out that commit b0423a0d9c
broke the semantics of a synchronous signal like SIGSEGV occurring
recursively inside its own handler handler (or, indeed, any other
context when the signal was blocked).

That was unintentional, and this fixes things up by reinstating the old
semantics, but without reverting the cleanups.

Cc: Paul E. McKenney <paulmck@us.ibm.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-08-02 20:17:49 -07:00
Linus Torvalds
202668ecb6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-2.6.18
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-2.6.18:
  gitignore: gitignore quilt's files
  kbuild: always use $(CC) for $(call cc-version)
  kconfig: correct oldconfig for unset choice options
  kbuild: -fno-stack-protector is not good
  kbuild: fix typo in modpost
  kbuild: improve error from file2alias
  kbuild: .gitignore utsrelease.h
  kbuild: version.h and new headers_* targets does not require a kernel config
  kbuild: hardcode value of YACC&LEX for aic7-triple-x
2006-08-02 20:12:25 -07:00
Greg Kroah-Hartman
cae74b30dd Revert "[PATCH] USB: move usb_device_class class devices to be real devices"
This reverts c182274ffe commit because it
required a newer version of udev to work properly than what is currently
documented in Documentation/Changes.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:52:10 -07:00
Greg Kroah-Hartman
27fb4f0a7f Revert "[PATCH] USB: convert usb class devices to real devices"
This reverts bd00949647 commit because it
required a newer version of udev to work properly than what is currently
documented in Documentation/Changes.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:49:37 -07:00
Alan Stern
f443ddf105 USB: UHCI: Don't test the Short Packet Detect bit
Apparently some UHCI controllers change the value of the Short Packet
Detect (SPD) bit in the TD status word -- presumably when they receive a
short packet.  This patch (as759) changes uhci-hcd to avoid assuming
that the bit is unchanged; in fact, the driver no longer looks at SPD at
all.

This fixes the second problem reported in Bugzilla #6752.


Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Alan Stern
de1caa4751 USB: unusual_devs entry for Nokia 3250
Here is another unusual_devs entry (as760) for another Nokia device,
this time the 3250.

From: Mario Rettig <mariorettig@web.de>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Alan Stern
b4dbda1a22 USB: dummy-hcd: disable interrupts during req->complete
This patch (as756) fixes a bug in dummy-hcd found by the lockdep
checker.  In one of the code paths, the driver did not disable
interrupts before calling a request completion routine.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Adrian Bunk
be0c8015a2 USB: fix the USB_GADGET_DUMMY_HCD dependencies
If USB=m, USB_GADGET=y, the option USB_GADGET_DUMMY_HCD mustn't be 
offered since selecting it results in a compile error.

This patch fixes kernel Bugzilla #6534 reported by Toralf Frster.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Marko Macek
168ffc4446 USB: ati_remote.c: autorepeat fix
When HZ is set to 250 (new default) or 100, the time span during which
repeated events from the device are ignored could be too small due to
ms->jiffies rounding.  This causes the auto repeat to kick in early making
it impossible for the user to generate individual press/release events. 
Increate the timeout to compensate.

Signed-off-by: Marko Macek <Marko.Macek@gmx.net>
Cc: Dmitry Torokhov <dtor_core@ameritech.net>
Cc: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Luiz Fernando N. Capitulino
064e875a4c USB: doc: fixes devio.c location in proc_usb_info.txt.
Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Luiz Fernando N. Capitulino
0e74b06aff USB: doc: usb-help.txt update.
http://www.suse.cz/development/linux-usb/ doesn't exist anymore.

Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Peter Chubb
23219c1348 USB: Patch for rtl8150 to fix unplug problems
The RTL8150 driver currently crashes the kernel if the USB lead is unplugged
while the device is active.  The attached patch adds error handling to
tell the network layer that the device has gone away when the device is
unplugged.  With this patch, the device can be plugged and unplugged
to one's hearts' content, without crashing anything.

Oh, I've also added rudimentary suspend and resume methods.

Signed-off-by: Peter Chubb <peter@gelato.unsw.edu.au>
Acked-by: Petko Manolov <petkan@nucleusys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Oliver Bock
6ad576bb67 USB: cypress driver comment updates
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Phil Dibowitz
eda30fdeec USB: unusual_devs device removal
This entry has been a mystery for some time. I had sent this patch as an
RFC a while ago, and now we've had two reports of this not being needed,
so I'm removing it.

In the event there are reports of breakage, we should revert this patch,
but add a US_FL_NEED_OVERRIDE flag.

Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Daniel Drake
3c332422f7 usb-storage: Add US_FL_IGNORE_DEVICE flag; ignore ZyXEL G220F
This patch adds a new unusual_devs flag for when usb-storage needs to ignore
a device that it would otherwise claim.

We need to ignore the ZyXEL G220F as it is a virtual CDROM drive which
includes the windows driver for this USB-WLAN adapter. After the windows
driver is installed on a windows system, it converts it into a WLAN adapter
(by ejecting the virtual disc).

The virtual CDROM is of no interest to Linux users. The zd1211rw driver will
automatically perform the eject operation, we just need to ensure that
usb-storage does not claim the device.

Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:42 -07:00
Kim Oldfield
b7aa94b682 USB: New USB ID for Belkin Serial Adapter
Can you add the USB IDs for the Belkin USB Serial adapter (P/N F5U257)
to the pl2303 driver in the Linux Kernel? Are you the appropriate person
to approach for this?

I recently purchased a Belkin USB Serial adapter (P/N F5U257) and found
that it didn't work. After a bit of experimentation I found that it
works with the pl2303 driver once the ID has been added. See attached
patch to fix this. Also attached is the output from lsusb -v just in
case you require any information from there.


From: Kim Oldfield <luv@oldfield.wattle.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
Dave Platt
274a4bbc9d USB: Additional PID for the ftdi_sio driver
Here's a short patch which adds one PID to the set of devices
supported by the ftdi_sio driver.  The device in question is a
DLP module used as part of a ham radio USB-to-packet adapter.

From: Dave Platt <dplatt@radagast.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
Norihiko Tomiyama
aec0d50b8a USB: adding support for SHARP WS003SH to ipaq.c
This small patch enables a support of "SHARP WS003SH".
"SHARP WS003SH" (usullary called "W-ZERO3") is most polular All-in-one handheld
CellPhone-plus-WindowsMobile5.0 in Japan.

"SHARP WS003SH" has two modes, "Modem" and "ActiveSync".
But, "ActiveSync" mode uses NDIS connection.
Therefore, ipaq.c can only support "Modem" mode.

http://www.sharp.co.jp/ws/ (Japanese Site)
http://greggman.com/edit/editheadlines/2005-12-24.htm

From: Norihiko Tomiyama <norihiko.tomiyama@ctc-g.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
Li Yang
a11570f2a4 USB: Fix Freescale high-speed USB host dependency
The high-speed USB SOC only exists on MPC834x family not MPC83xx family.

Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
Matthias Urlichs
a01c452ee3 USB: Removed 3-port device handler from Option driver
Dead code.

From: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
Matthias Urlichs
7c1c2f73e0 USB: Drop Sierra Wireless MC8755 from the Option driver
This device is now supported by sierra.c.

From: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
Matthias Urlichs
31fcbb7338 USB: Let option driver handle Anydata CDMA modems. Remove anydata driver.
Signed-off-by: Jon K Hellan <hellan@acm.org>
Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
Matthias Urlichs
02b2ac5b03 USB: Option driver: Short driver names were identical
The short driver names were not unique,
which prevented the driver from actually loading.

Also, one of the ioctl pointers was missing.

Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
Matthias Urlichs
b3fdab59b8 USB: Option driver: removed change history and linux/version.h include
Signed-off-by: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
David Brownell
0365ee0a8f USB: AT91 OHCI updates, mostly power management
OHCI updates for AT91 series processors:

 - Get ready for at91sam926x processors (ARMv5tej not ARMv4t)

 - Suspend/resume support now behaves properly

 - In "standby" mode, OHCI can be a source of system wakeup events
   (remote wakeup, device connect/disconnect, etc)

And minor cleanups.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
David Brownell
8b2e76687b USB: AT91 UDC updates, mostly power management
UDC updates for AT91 series processors:

 - Get ready for at91sam926x processors (ARMv5tej not ARMv4t)

 - Suspend/resume support now behaves properly

 - In "standby" mode, UDC can be a source of system wakeup events
   (host resume, device connect/disconnect, etc)

 - Fix IRQ storming issues, seemingly related to clock disabling
   changes that went in a while back

And minor cleanups, especially whitespace.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Victor  <andrew@sanpeople.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-02 16:41:41 -07:00
Zou Nan hai
e55ce45615 [IA64] Don't alloc empty frame in ia64_switch_mode_phys
I think ia64_switch_mode_phys and ia64_switch_mode_virt
does not need to alloc an empty frame.
An empty frame is required by loadrs but flushrs
does not need that.

Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-08-02 16:13:17 -07:00
Zou Nan hai
acb15c85de [IA64] Do not assume output registers be reservered.
We found an issue in pal.S.

According to the software runtime SPEC,
The caller's output registers do not need to be preserved for
caller. The callee may reuse input registers for any other
purpose within the procedure.

in ia64_pal_call_phys_stacked,

input registers are copied to output registers before call
into ia64_switch_mode_phys, then used to call into PAL. This
assumes output registers are preserved in ia64_switch_mode_phys,
which may not be true.

In this particular case, ia64_switch_mode_phys alloc a null frame
, and mask off psr.i.
If an interrupt comes at this small window,
or an MCA comes inside the procedure, output registers
maybe changed,
then the pal call may got some staled input registers.

This patch moves the copies from input to output
after ia64_switch_mode_phys to follow the software
runtime convention.

It  also removed some unused labels in
ia64_pal_call_phys_stacked.

Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-08-02 16:12:08 -07:00
Greg Edwards
c7c17423b9 [IA64] add platform check to snsc driver init
Add a platform check to the snsc driver init function, to prevent
loading on non-sn2 systems.

Signed-off-by: Greg Edwards <edwardsg@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-08-02 16:07:55 -07:00
Keith Owens
e037cda559 [IA64] sparse cleanups
Fix some sparse warnings on ia64.  Large constants that should be long
instead of int.  Use NULL instead of 0.  Add some missing __iomem
casts.  Replace a non-C99 structure assignment.

Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-08-02 16:03:44 -07:00