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Blairsorblade noticed some confusion between our use of a system
call's return value and errno. This patch fixes a number of related
bugs -
using errno instead of a return value
using a return value instead of errno
forgetting to negate a error return to get a positive error code
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Bring defconfig up to date.
Also disable CONFIG_BLK_DEV_UBD_SYNC by default. By performing synchronous
I/O to the host, it slows things down, only protects against host crashes, and
can make a UML appear to hang while it waits for the host's disk.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The MADVISE_REMOVE-checking code didn't clean up after itself.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Remove redundant NULL checks before [kv]free + small CodingStyle cleanup for
arch/
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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A quick hack to allow skas0 mode to run on 2G/2G hosts.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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We need to walk the region list properly.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Suppress the initcall-return-value warnings unless initcall_debug was
specified.
They do find bugs, but they're extremely small ones and as Andi points out,
people get distressed.
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The apic= option can be used to set the APIC driver too. When that is done
this code would always produce bogus warnings.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The 32bit version of e820_all_mapped() needs to use u64 to avoid overflows on
PAE systems. Pointed out by Jan Beulich
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The patch I submitted earlier to fix disabled LAPIC handling in ACPI was
mismerged for some reason I still don't quite understand. Parts of it was
applied to the wrong function.
This patch fixes it up.
Cc: <len.brown@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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When retrying a failed BIO_RW_BARRIER request, we need to keep the reference
in ->nr_pending over the whole retry. Currently, we only hold the reference
if the failed request is the *last* one to finish - which is silly, because it
would normally be the first to finish.
So move the rdev_dec_pending call up into the didn't-fail branch. As the rdev
isn't used in the later code, calling rdev_dec_pending earlier doesn't hurt.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Move the test for 'do barrier work' down a bit so that if the first write to a
raid1 is a BIO_RW_BARRIER write, the checking done by superblock writes will
cause the right thing to happen.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Because that is what you get if a BIO_RW_BARRIER isn't supported!
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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in raid10
We need to hold a reference to rdevs while reading and writing to attempt to
correct read errors. This reference must be taken under an rcu lock.
Signed-off-by: Neil Brown <neilb@suse.de>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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We should add to the counter for the rdev *after* checking if the rdev is
NULL!!!
Signed-off-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Bastian Blank <bastian@waldi.eu.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Jeff Garzik <jeff@garzik.org>
Acked-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[TG3]: Update version and reldate
[TG3]: Fix bug in nvram write
[TG3]: Add reset_phy parameter to chip reset functions
[TG3]: Reset chip when changing MAC address
[TG3]: Add phy workaround
[TG3]: Call netif_carrier_off() during phy reset
[IPV6]: Fix race in route selection.
[XFRM]: fix incorrect xfrm_policy_afinfo_lock use
[XFRM]: fix incorrect xfrm_state_afinfo_lock use
[TCP]: Fix unlikely usage in tcp_transmit_skb()
[XFRM]: fix softirq-unsafe xfrm typemap->lock use
[IPSEC]: Fix IP ID selection
[NET]: use hlist_unhashed()
[IPV4]: inet_init() -> fs_initcall
[NETLINK]: cleanup unused macro in net/netlink/af_netlink.c
[PKT_SCHED] netem: fix loss
[X25]: fix for spinlock recurse and spinlock lockup with timer handler
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Disable preemption during flush_tlb_pending().
[SPARC64]: Kill __flush_tlb_page() prototype.
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* git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: make EVIOCGSND return meaningful data
Input: ressurect EVIOCGREP and EVIOCSREP
Input: psmouse - fix new device detection logic
Input: move input_device_id to mod_devicetable.h
Input: allow using several chords for braille
Input: allow passing NULL to input_free_device()
Input: spitzkbd - fix the reversed Address and Calender keys
Input: ads7846 - improve filtering for thumb press accuracy
Input: ads7846 - report 0 pressure value along with pen up event
Input: ads7846 - handle IRQs that were latched during disabled IRQs
Input: ads7846 - miscellaneous fixes
Input: ads7846 - use msleep() instead of udelay() in suspend
Input: ads7846 - debouncing and rudimentary sample filtering
Input: ads7846 - power down ADC a bit later
Input: ads7846 - add pen_down sysfs attribute
Input: wistron - add support for Fujitsu N3510
Input: wistron - add signature for Amilo M7400
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* git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsa: (22 commits)
[ALSA] via82xx - Use DXS_SRC as default for VIA8235/8237/8251 chips
[ALSA] hda-codec - Add model entry for ASUS Z62F
[ALSA] PCMCIA sound devices shouldn't depend on ISA
[ALSA] hda-codec - Fix capture from line-in on VAIO SZ/FE laptops
[ALSA] Fix Oops at rmmod with CONFIG_SND_VERBOSE_PROCFS=n
[ALSA] PCM core - introduce CONFIG_SND_PCM_XRUN_DEBUG
[ALSA] adding __devinitdata to pci_device_id
[ALSA] add __devinitdata to all pci_device_id
[ALSA] hda-codec - Add codec id for AD1988B codec chip
[ALSA] hda-codec - Add model entry for ASUS M9 laptop
[ALSA] pcxhr - Fix a compiler warning on 64bit architectures
[ALSA] via82xx: tweak VT8251 workaround
[ALSA] intel8x0 - Disable ALI5455 SPDIF-input
[ALSA] via82xx: add support for VIA VT8251 (AC'97)
[ALSA] Fix typos and add information about Jack support to Audiophile-Usb.txt
[ALSA] Fix double free in error path of miro driver
[ALSA] hda-codec - Add entry for Epox EP-5LDA+ GLi
[ALSA] sound/pci/: remove duplicate #include's
[ALSA] hda-codec - Use model 'hp' for all HP laptops with AD1981HD
[ALSA] continue on IS_ERR from platform device registration
...
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A context switch will force a call to flush_tlb_pending() (via
switch_to()), so if we test tlb_nr to be non-zero, then sleep, it
would become zero and later back at the original context we'll pass
zero down into the TLB flushing code which should never see a nr
argument of zero.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This function no longer exists.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update version to 3.57.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix bug in nvram write function. If the starting nvram address offset
happens to be the last dword of the page, the NVRAM_CMD_LAST bit will
not get set in the existing code. This patch fixes the bug by changing
the "else if" to "if" so that the last dword condition always gets
checked.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a reset_phy parameter to tg3_reset_hw() and tg3_init_hw(). With
the full chip reset during MAC address change, the automatic PHY reset
during chip reset will cause a link down and bonding will not work
properly as a result. With this reset_phy parameter, we can do a chip
reset without link down when changing MAC address or MTU.
Signed-off-by: Gary Zambrano <zambrano@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Do the full chip reset when changing MAC address if ASF is enabled.
ASF sometimes uses a different MAC address than the driver. Without
the reset, the ASF MAC address may be overwritten when the driver's
MAC address is changed.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add some PHY workaround code to reduce jitter on some PHYs.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add netif_carrier_off() call during tg3_phy_reset(). This is needed
to properly track the netif_carrier state in cases where we do a
PHY reset with interrupts disabled. The SerDes code will not run
properly if the netif_carrier state is wrong.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We eliminated rt6_dflt_lock (to protect default router pointer)
at 2.6.17-rc1, and introduced rt6_select() for general router selection.
The function is called in the context of rt6_lock read-lock held,
but this means, we have some race conditions when we do round-robin.
Signed-off-by; YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xfrm_policy_afinfo_lock can be taken in bh context, at:
[<c013fe1a>] lockdep_acquire_read+0x54/0x6d
[<c0f6e024>] _read_lock+0x15/0x22
[<c0e8fcdb>] xfrm_policy_get_afinfo+0x1a/0x3d
[<c0e8fd10>] xfrm_decode_session+0x12/0x32
[<c0e66094>] ip_route_me_harder+0x1c9/0x25b
[<c0e770d3>] ip_nat_local_fn+0x94/0xad
[<c0e2bbc8>] nf_iterate+0x2e/0x7a
[<c0e2bc50>] nf_hook_slow+0x3c/0x9e
[<c0e3a342>] ip_push_pending_frames+0x2de/0x3a7
[<c0e53e19>] icmp_push_reply+0x136/0x141
[<c0e543fb>] icmp_reply+0x118/0x1a0
[<c0e54581>] icmp_echo+0x44/0x46
[<c0e53fad>] icmp_rcv+0x111/0x138
[<c0e36764>] ip_local_deliver+0x150/0x1f9
[<c0e36be2>] ip_rcv+0x3d5/0x413
[<c0df760f>] netif_receive_skb+0x337/0x356
[<c0df76c3>] process_backlog+0x95/0x110
[<c0df5fe2>] net_rx_action+0xa5/0x16d
[<c012d8a7>] __do_softirq+0x6f/0xe6
[<c0105ec2>] do_softirq+0x52/0xb1
this means that all write-locking of xfrm_policy_afinfo_lock must be
bh-safe. This patch fixes xfrm_policy_register_afinfo() and
xfrm_policy_unregister_afinfo().
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xfrm_state_afinfo_lock can be read-locked from bh context, so take it
in a bh-safe manner in xfrm_state_register_afinfo() and
xfrm_state_unregister_afinfo(). Found by the lock validator.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The following unlikely should be replaced by likely because the
condition happens every time unless there is a hard error to transmit
a packet.
Signed-off-by: Hua Zhong <hzhong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xfrm typemap->lock may be used in softirq context, so all write_lock()
uses must be softirq-safe.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I was looking through the xfrm input/output code in order to abstract
out the address family specific encapsulation/decapsulation code. During
that process I found this bug in the IP ID selection code in xfrm4_output.c.
At that point dst is still the xfrm_dst for the current SA which
represents an internal flow as far as the IPsec tunnel is concerned.
Since the IP ID is going to sit on the outside of the encapsulated
packet, we obviously want the external flow which is just dst->child.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use hlist_unhashed() rather than accessing inside data structure.
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert inet_init to an fs_initcall to make sure its called before any
device driver's initcall.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1 line removal, of unused macro.
ran 'egrep -r' from linux-2.6.16/ for Nprintk and
didn't see it anywhere else but here, in #define...
Signed-off-by: Soyoung Park <speattle@yahoo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The following one line fix is needed to make loss function of
netem work right when doing loss on the local host.
Otherwise, higher layers just recover.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the sk_timer function x25_heartbeat_expiry() is called by the
kernel in a running/terminating process, spinlock-recursion and
spinlock-lockup locks up the kernel. This has happened with testing
on some distro's and the patch below fixed it.
Signed-off-by: Shaun Pereira <spereira@tusc.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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:
[PATCH] powerpc: update cell_defconfig
[PATCH] spufs: Disable local interrupts for SPE hash_page calls.
[PATCH] powerpc: Add cputable entry for POWER6
[PATCH] ppc32 CPM_UART: Fixed odd address translations
[PATCH] ppc32: Update board-specific code of the CPM UART users
[PATCH] ppc32 CPM_UART: Convert to use platform devices
[PATCH] ppc32: odd fixes and improvements in ppc_sys
[PATCH] powerpc: Wire up *at syscalls
[PATCH] ppc32: add 440GX erratum 440_43 workaround
[PATCH] powerpc: Use check_legacy_ioport() on ppc32 too.
[PATCH] powerpc64: Fix loading of modules without a .toc section
[PATCH] sound/ppc: snd_pmac_toonie_init should be __init
powerpc/pseries: Tell firmware our capabilities on new machines
[PATCH] powerpc: Fix pagetable bloat for hugepages
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Content of file au1200fb.c was duplicated. Remove.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Let people enable the advansys driver on x86-32, even though it's broken
on other architectures due to missing DMA mapping infrastructure.
It's used by Jeffrey Phillips Freeman <jeffreyfreeman@syncleus.com> and
possibly others.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The FXSAVE information leak patch introduced a bug in FP exception
handling: it clears FP exceptions only when there are already
none outstanding. Mikael Pettersson reported that causes problems
with the Erlang runtime and has tested this fix.
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Acked-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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While writing to an event device allows to set repeat rate for an
individual input device there is no way to retrieve current settings
so we need to ressurect EVIOCGREP. Also ressurect EVIOCSREP so we
have a symmetrical interface.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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reflect the changes to Kconfig since the last update.
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch disables and saves local interrupts during
hash_page processing for SPE contexts.
We have to do it explicitly in the spu_irq_class_1_bottom
function. For the interrupt handlers, we get the behaviour
implicitly by using SA_INTERRUPT to disable interrupts while
in the handler.
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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