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Avoid referencing a fsf request after sending it in fcp_fsf_req_send,
it might have already completed and deallocated.
Signed-off-by: Martin Petermann <martin@linux.vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Stop gcc from generating uninitialised variable warnings after BUG().
The problem is that FRV's call into its gdbstub appears to return (if
the function is marked noreturn, then the compiler is under no
obligation to pass it a return address, and so GDB won't know where the
bug happened).
To get around this, we make the do...while wrapper in _debug_bug_trap()
an endless loop from which there's no escape.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Wire up new system calls for the FRV arch (preadv and pwritev).
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The inode->i_mutex should be unlocked.
Found by smatch (http://repo.or.cz/w/smatch.git). Compile tested.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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Get rid of useless comments and the equally useless obj-y
initialization.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
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We cannot call blk_plug_device from scsi_target_queue_ready
because the q lock is not held. And we do not need to call
it from there because when we return 0, the scsi_request_fn
not_ready handling will plug the queue for us if needed.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Update driver version to 8.3.1
Also update copyright end year for driver.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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8.3.1 Fixes/Changes :
- Fix incorrect byte-swapping on word 4 of IOCB (data length) which
caused LUNs to not be discovered on big-endian (e.g. PPC)
- Remove a bad cast of MBslimaddr which loses the __iomem (sparse)
- Make lpfc_debugfs_mask_disc_trc static (sparse)
- Correct misspelled word BlockGuard in lpfc_logmsg.h comment
- Replaced repeated code segment for canceling IOCBs from a list with
a function call, lpfc_sli_cancel_iocbs().
- Increased HBQ buffers to support 40KB SSC sequences.
- Added sysfs interface to update speed and topology parameter without
link bounce.
- Fixed bug with sysfs fc_host WWNs not being updated after changing
the WWNs.
- Check if the active mailbox is NULL in the beginning of the mailbox
timeout handler - fixes panic in the mailbox timeout handler while
running IO stress test
- Fixed system panic in lpfc_pci_remove_one() due to ndlp indirect
reference to phba through vport
- Removed de-reference of scsi device after call to scsi_done() to fix
panic in scsi completion path while accessing scsi device after
scsi_done is called.
- Fixed "Nodelist not empty" message when unloading the driver after
target reboot test
- Added LP2105 HBA model description
- Added code to print all 16 words of unrecognized ASYNC events
- Fixed memory leak in vport create + delete loop
- Added support for handling dual error bit from HBA
- Fixed a driver NULL pointer dereference in lpfc_sli_process_sol_iocb
- Fixed a discovery bug with FC switch reboot in lpfc_setup_disc_node
- Take NULL termintator into account when calculating available buffer space
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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blk_rq_unmap_user() returns EFAULT if a program passes an invalid
address to kernel (the kernel fails to copy data to user space). sg
needs to pass the returned value to user space instead of ignoring
it. Before the block layer conversion, sg returns EFAULT
properly. This restores the old behavior.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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So, what's happening here is that the drive is reporting a sense of
2/4/1 ("logical unit is becoming ready") from sr_test_unit_ready(), and
then we ask for the media event notification before checking that result
at all. The check_media_event_descriptor() call isn't getting a check
condition, but it's also reporting that the tray is closed and that
there's no media. In actuality it doesn't yet know if there's media or
not, but there's no way to express that in the media event status field.
My current thought is that if it told us the device isn't yet ready, we
should return that immediately, since there's nothing that'll tell us
any more data than that reliably:
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Right now we have no upper limit on the size of the route cache hash table.
On a 128GB POWER6 box it ends up as 32MB:
IP route cache hash table entries: 4194304 (order: 9, 33554432 bytes)
It would be nice to cap this for memory consumption reasons, but a massive
hashtable also causes a significant spike when measuring OS jitter.
With a 32MB hashtable and 4 million entries, rt_worker_func is taking
5 ms to complete. On another system with more memory it's taking 14 ms.
Even though rt_worker_func does call cond_sched() to limit its impact,
in an HPC environment we want to keep all sources of OS jitter to a minimum.
With the patch applied we limit the number of entries to 512k which
can still be overriden by using the rt_entries boot option:
IP route cache hash table entries: 524288 (order: 6, 4194304 bytes)
With this patch rt_worker_func now takes 0.460 ms on the same system.
Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just happened to notice a bunch of %llu vs u64 warnings. Here's a patch
to cast them all.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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A small warning popped up on ia64 because inode-map.c was comparing a
u64 object id with the ULL FIRST_FREE_OBJECTID. My first thought was
that all the OBJECTID constants should contain the u64 cast because
btrfs code deals entirely in u64s. But then I saw how large that was,
and figured I'd just fix the max() call.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Move the entry about CAPI 2.0 to the beginning and add a URL.
Incorporate changes suggested by Randy Dunlap, thanks for proofreading.
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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isdn: document Kernel CAPI driver interface
Create a file Documentation/isdn/INTERFACE.CAPI describing the
interface between the kernel CAPI subsystem and ISDN device drivers,
analogous to the existing Documentation/isdn/INTERFACE for the old
isdn4linux subsystem. Also add kerneldoc comments to the exported
functions in drivers/isdn/capi/kcapi.c.
Impact: Documentation
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After the merging of mISDN, state which files refer only to the
old isdn4linux subsystem. Also add a few missing files.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixed the compile warning below by initializatin iomidi variable properly.
sound/pci/cmipci.c: In function ‘snd_cmipci_probe’:
sound/pci/cmipci.c:3017: warning: ‘iomidi’ may be used uninitialized in this function
Signed-off-by: Subrata Modak <subrata@linux.vnet.ibm.com>
Cc: linux-pci <linux-pci@atrey.karlin.mff.cuni.cz>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Sachin P Sant <sachinp@linux.vnet.ibm.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Btrfs has printks for various IO errors, including bad checksums and
mismatches between what we expect the block headers to contain and what
we actually find on the disk.
Longer term we need a real reporting mechanism for this, but for now
printk is going to have to do.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Btrfs had some old code sitting around under #if 0, this drops it.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Previously, we updated a device's size prior to attempting a shrink
operation. This patch moves the device resizing logic to only happen if
the shrink completes successfully. In the process, it introduces a new
field to btrfs_device -- disk_total_bytes -- to track the on-disk size.
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Reset the internal period position counter upon stream startup. This
fixes initial aplay underruns and problems related to latency picky
applications such as pulseaudio.
Bumped the version number to 1.3.14.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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ptrace_attach() needs task->cred_exec_mutex, not current->cred_exec_mutex.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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The current code writes the PME enabled bit in PCI config space which is
wrong. This was needed for pre-release hardware, and was not removed from
the driver. Also, we need to clear the WUS (wake up status) after we
resume. Otherwise we can't wake for the same event again since it's still
asserted in the hardware. Plus, the multicast lists were being written
improperly, causing multicast WoL to fail.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Stephen Hemminger <shemminger@vyatta.com>
The veth driver will oops if sysfs hooks are open while module is removed.
The net device destructor can not point to code in a module; basically
there are only two possible safe values: NULL - no destructor, or
free_netdev - free on last use
Signed-off-by: David S. Miller <davem@davemloft.net>
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When kernel inserts a temporary SA for IKE, it uses the wrong hash
value for dst list. Two hash values were calcultated before: one with
source address and one with a wildcard source address.
Bug hinted by Junwei Zhang <junwei.zhang@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the tx_timeout() to properly handle the clean up of the
tx ring. It also sets the tx put pointer back to the correct position to
be in sync with HW.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unless I miss anything this should fix a bug.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we failed to allocate new fragments for receive buffer,
the packet should be dropped and packets should be reused.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of mlx4_en_activate_cq() failure, the cleanup
code would go to rx_err and try to disable unactivated rings.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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syscall_nr is presently defined as unsigned in the SH-5 pt_regs,
while the syscall restarting code wants it to be signed. Fix this
up, and bring it in line with the other SH parts.
Reported-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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GPIO17_SDATA_IN_1 and GPIO36_SDATA_IN_1 are originally designed for the 2nd
codec but unused on the board, yet they are initialized incorrectly by the
bootloader as the SDATA_IN_1 alternate function, thus causing AC97 fail to
work. Fix this issue by configuring these pins as normal GPIO to avoid the
noise from these pins being treated as signals from the 2nd codec.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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cpufreq drivers for pxa2xx/3xx are now built-in automatically as soon as
CPU_FREQ is enabled.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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ARCH_PXA selects HAVE_CLK and COMMON_CLKDEV twice in arch/arm/Kconfig.
Remove the second entry.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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pxa_gpio_irq_type() and pxa_unmask_muxed_gpio() will touch non-muxed GPIOs
(0 and 1 on PXA2xx/PXA3xx) bits in GRERx and GFERx, which is incorrect.
Actually, only those bits should get updated if the corresponding bits are
set in c->irq_mask as well. Fix this by updating only those relevant bits.
Reported-and-tested-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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The maple mouse driver currently in mainline is broken:
bash-3.1# modprobe maplemouse
[ 56.886378] input: Dreamcast Mouse as /devices/virtual/input/input3
[ 56.918379] Unable to handle kernel NULL pointer dereference at virtual address 00000004
[ 56.930543] pc = c003304e
[ 56.934973] *pde = 00000000
[ 56.944948] Oops: 0000 [#1]
[ 56.947867] Modules linked in: maplemouse(+)
[ 56.952353]
[ 56.953921] Pid : 1157, Comm: \0x09\0x09modprobe
[ 56.958021] CPU : 0 \0x09\0x09Not tainted (2.6.30-rc2-00130-g3e98f9f #1)
[ 56.958052]
[ 56.966567] PC is at dc_mouse_open+0xe/0x40 [maplemouse]
[ 56.972125] PR is at input_open_device+0x8a/0xc0
[ 56.976944] PC : c003304e SP : 8c88bdcc SR : 40008100 TEA : c0033834
[ 56.983854] R0 : 000006c4 R1 : 00000000 R2 : 40008101 R3 : 00000000
[ 56.990744] R4 : 8c8db800 R5 : c0033080 R6 : 00000005 R7 : 00000200
[ 56.997635] R8 : 8c8db800 R9 : 8c8dbe3c R10 : 00000000 R11 : 8c98881c
[ 57.004525] R12 : 8c8dbe64 R13 : 8ca50140 R14 : 8c88bdd4
[ 57.010063] MACH: 00000497 MACL: 00000348 GBR : 29674440 PR : 8c1b4d0a
[ 57.016939]
...
Here is a fix for this, keeping an open and close, so reducing
the load on the system when the mouse is not in use, and also properly
referencing the maple device buffer following the recent update.
Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Fix the problem that cannot work 29-bit mode when use sh7785lcr_defconfig.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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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, hpet: Stop soliciting hpet=force users on ICH4M
x86: check boundary in setup_node_bootmem()
uv_time: add parameter to uv_read_rtc()
x86: hpet: fix periodic mode programming on AMD 81xx
x86: more than 8 32-bit CPUs requires X86_BIGSMP
x86: avoid theoretical spurious NMI backtraces with CONFIG_CPUMASK_OFFSTACK=y
x86: fix boot crash in NMI watchdog with CONFIG_CPUMASK_OFFSTACK=y and flat APIC
x86-64: fix FPU corruption with signals and preemption
x86/uv: fix for no memory at paddr 0
docs, x86: add nox2apic back to kernel-parameters.txt
x86: mm/numa_32.c calculate_numa_remap_pages should use __init
x86, kbuild: make "make install" not depend on vmlinux
x86/uv: fix init of cpu-less nodes
x86/uv: fix init of memory-less nodes
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86/irq: mark NUMA_MIGRATE_IRQ_DESC broken
x86, irq: Remove IRQ_DISABLED check in process context IRQ move
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
locking: clarify kernel-taint warning message
lockdep, x86: account for irqs enabled in paranoid_exit
lockdep: more robust lockdep_map init sequence
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The feature needs some more work because the notfier which is used to
check for pending allocations is called before the device drivers
->remove() function. Therefore this feature reports false positives.
A real fix for this issue is to introduce a new notifier event which sent
_after_ the driver has deinitialized itself. That will done for the next
kernel version.
[ Impact: reduce the scope of CONFIG_DMA_API_DEBUG=y checks ]
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
LKML-Reference: <1240576557-22442-1-git-send-email-joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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From source code of get_usage_char(), the previous note is not correct,
so fix it.
static char get_usage_char(struct lock_class *class, enum lock_usage_bit bit)
{
char c = '.';
if (class->usage_mask & lock_flag(bit + 2))/*LOCK_ENABLED_##STATE*/
c = '+';
if (class->usage_mask & lock_flag(bit)) {/*LOCK_USED_IN_##STATE*/
c = '-';
if (class->usage_mask & lock_flag(bit + 2))
c = '?';
}
return c;
}
note:
1) The 'bit' parameter always is passed as LOCK_USED_IN_##STATE
or LOCK_USED_IN_##STATE_READ , from get_usage_chars().
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
LKML-Reference: <1240585806-5744-1-git-send-email-tom.leiming@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This has the consequence of changing the section name use for head
code from ".text.head" to ".head.text". Since this commit changes all
users in the architecture, this change should be harmless.
Signed-off-by: Tim Abbott <tabbott@mit.edu>
Cc: David S. Miller <davem@davemloft.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This has the consequence of changing the section name use for head
code from ".text.head" to ".head.text". Since this commit changes all
users in the architecture, this change should be harmless.
Signed-off-by: Tim Abbott <tabbott@mit.edu>
Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This has the consequence of changing the section name use for head
code from ".text.head" to ".head.text". Since this commit changes all
users in the architecture, this change should be harmless.
Signed-off-by: Tim Abbott <tabbott@mit.edu>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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