08 Oct, 2016
1 commit
-
When doing an nmi backtrace of many cores, most of which are idle, the
output is a little overwhelming and very uninformative. Suppress
messages for cpus that are idling when they are interrupted and just
emit one line, "NMI backtrace for N skipped: idling at pc 0xNNN".We do this by grouping all the cpuidle code together into a new
.cpuidle.text section, and then checking the address of the interrupted
PC to see if it lies within that section.This commit suitably tags x86 and tile idle routines, and only adds in
the minimal framework for other architectures.Link: http://lkml.kernel.org/r/1472487169-14923-5-git-send-email-cmetcalf@mellanox.com
Signed-off-by: Chris Metcalf
Acked-by: Peter Zijlstra (Intel)
Tested-by: Peter Zijlstra (Intel)
Tested-by: Daniel Thompson [arm]
Tested-by: Petr Mladek
Cc: Aaron Tomlin
Cc: Peter Zijlstra (Intel)
Cc: "Rafael J. Wysocki"
Cc: Russell King
Cc: Thomas Gleixner
Cc: Ingo Molnar
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
04 Aug, 2016
1 commit
-
The dma-mapping core and the implementations do not change the DMA
attributes passed by pointer. Thus the pointer can point to const data.
However the attributes do not have to be a bitfield. Instead unsigned
long will do fine:1. This is just simpler. Both in terms of reading the code and setting
attributes. Instead of initializing local attributes on the stack
and passing pointer to it to dma_set_attr(), just set the bits.2. It brings safeness and checking for const correctness because the
attributes are passed by value.Semantic patches for this change (at least most of them):
virtual patch
virtual context@r@
identifier f, attrs;@@
f(...,
- struct dma_attrs *attrs
+ unsigned long attrs
, ...)
{
...
}@@
identifier r.f;
@@
f(...,
- NULL
+ 0
)and
// Options: --all-includes
virtual patch
virtual context@r@
identifier f, attrs;
type t;@@
t f(..., struct dma_attrs *attrs);@@
identifier r.f;
@@
f(...,
- NULL
+ 0
)Link: http://lkml.kernel.org/r/1468399300-5399-2-git-send-email-k.kozlowski@samsung.com
Signed-off-by: Krzysztof Kozlowski
Acked-by: Vineet Gupta
Acked-by: Robin Murphy
Acked-by: Hans-Christian Noren Egtvedt
Acked-by: Mark Salter [c6x]
Acked-by: Jesper Nilsson [cris]
Acked-by: Daniel Vetter [drm]
Reviewed-by: Bart Van Assche
Acked-by: Joerg Roedel [iommu]
Acked-by: Fabien Dessenne [bdisp]
Reviewed-by: Marek Szyprowski [vb2-core]
Acked-by: David Vrabel [xen]
Acked-by: Konrad Rzeszutek Wilk [xen swiotlb]
Acked-by: Joerg Roedel [iommu]
Acked-by: Richard Kuo [hexagon]
Acked-by: Geert Uytterhoeven [m68k]
Acked-by: Gerald Schaefer [s390]
Acked-by: Bjorn Andersson
Acked-by: Hans-Christian Noren Egtvedt [avr32]
Acked-by: Vineet Gupta [arc]
Acked-by: Robin Murphy [arm64 and dma-iommu]
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
24 Jun, 2016
1 commit
-
After patch "of/platform: Add common method to populate default bus",
it is possible for arch code to remove unnecessary callers of
of_platform_populate with default match table.Cc: Mikael Starvik
Cc: Jesper Nilsson
Signed-off-by: Kefeng Wang
Signed-off-by: Rob Herring
25 May, 2016
1 commit
-
Pull asm-generic cleanup from Arnd Bergmann:
"I have only one patch for asm-generic in this release, this one is
from James Hogan and updates the generic system call table for
renameat2 so we don't need to provide both renameat and renameat2 in
newly added architectures"* tag 'asm-generic-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: Drop renameat syscall from default list
21 May, 2016
1 commit
-
Define HAVE_EXIT_THREAD for archs which want to do something in
exit_thread. For others, let's define exit_thread as an empty inline.This is a cleanup before we change the prototype of exit_thread to
accept a task parameter.[akpm@linux-foundation.org: fix mips]
Signed-off-by: Jiri Slaby
Cc: "David S. Miller"
Cc: "H. Peter Anvin"
Cc: "James E.J. Bottomley"
Cc: Aurelien Jacquiot
Cc: Benjamin Herrenschmidt
Cc: Catalin Marinas
Cc: Chen Liqin
Cc: Chris Metcalf
Cc: Chris Zankel
Cc: David Howells
Cc: Fenghua Yu
Cc: Geert Uytterhoeven
Cc: Guan Xuetao
Cc: Haavard Skinnemoen
Cc: Hans-Christian Egtvedt
Cc: Heiko Carstens
Cc: Helge Deller
Cc: Ingo Molnar
Cc: Ivan Kokshaysky
Cc: James Hogan
Cc: Jeff Dike
Cc: Jesper Nilsson
Cc: Jiri Slaby
Cc: Jonas Bonn
Cc: Koichi Yasutake
Cc: Lennox Wu
Cc: Ley Foon Tan
Cc: Mark Salter
Cc: Martin Schwidefsky
Cc: Matt Turner
Cc: Max Filippov
Cc: Michael Ellerman
Cc: Michal Simek
Cc: Mikael Starvik
Cc: Paul Mackerras
Cc: Peter Zijlstra
Cc: Ralf Baechle
Cc: Rich Felker
Cc: Richard Henderson
Cc: Richard Kuo
Cc: Richard Weinberger
Cc: Russell King
Cc: Steven Miao
Cc: Thomas Gleixner
Cc: Tony Luck
Cc: Vineet Gupta
Cc: Will Deacon
Cc: Yoshinori Sato
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
05 May, 2016
1 commit
-
The newer renameat2 syscall provides all the functionality provided by
the renameat syscall and adds flags, so future architectures won't need
to include renameat.Therefore drop the renameat syscall from the generic syscall list unless
__ARCH_WANT_RENAMEAT is defined by the architecture's unistd.h prior to
including asm-generic/unistd.h, and adjust all architectures using the
generic syscall list to define it so that no in-tree architectures are
affected.Signed-off-by: James Hogan
Acked-by: Vineet Gupta
Cc: linux-arch@vger.kernel.org
Cc: linux-snps-arc@lists.infradead.org
Cc: Catalin Marinas
Cc: Will Deacon
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mark Salter
Cc: Aurelien Jacquiot
Cc: linux-c6x-dev@linux-c6x.org
Cc: Richard Kuo
Cc: linux-hexagon@vger.kernel.org
Cc: linux-metag@vger.kernel.org
Cc: Jonas Bonn
Cc: linux@lists.openrisc.net
Cc: Chen Liqin
Cc: Lennox Wu
Cc: Chris Metcalf
Cc: Guan Xuetao
Cc: Ley Foon Tan
Cc: nios2-dev@lists.rocketboards.org
Cc: Yoshinori Sato
Cc: uclinux-h8-devel@lists.sourceforge.jp
Signed-off-by: Arnd Bergmann
18 Apr, 2016
1 commit
-
Signed-off-by: Adam Buchbinder
Signed-off-by: Jiri Kosina
26 Mar, 2016
1 commit
-
KASAN needs to know whether the allocation happens in an IRQ handler.
This lets us strip everything below the IRQ entry point to reduce the
number of unique stack traces needed to be stored.Move the definition of __irq_entry to so that the
users don't need to pull in . Also introduce the
__softirq_entry macro which is similar to __irq_entry, but puts the
corresponding functions to the .softirqentry.text section.Signed-off-by: Alexander Potapenko
Acked-by: Steven Rostedt
Cc: Christoph Lameter
Cc: Pekka Enberg
Cc: David Rientjes
Cc: Joonsoo Kim
Cc: Andrey Konovalov
Cc: Dmitry Vyukov
Cc: Andrey Ryabinin
Cc: Konstantin Serebryany
Cc: Dmitry Chernenkov
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
20 Mar, 2016
1 commit
-
Pull networking updates from David Miller:
"Highlights:1) Support more Realtek wireless chips, from Jes Sorenson.
2) New BPF types for per-cpu hash and arrap maps, from Alexei
Starovoitov.3) Make several TCP sysctls per-namespace, from Nikolay Borisov.
4) Allow the use of SO_REUSEPORT in order to do per-thread processing
of incoming TCP/UDP connections. The muxing can be done using a
BPF program which hashes the incoming packet. From Craig Gallek.5) Add a multiplexer for TCP streams, to provide a messaged based
interface. BPF programs can be used to determine the message
boundaries. From Tom Herbert.6) Add 802.1AE MACSEC support, from Sabrina Dubroca.
7) Avoid factorial complexity when taking down an inetdev interface
with lots of configured addresses. We were doing things like
traversing the entire address less for each address removed, and
flushing the entire netfilter conntrack table for every address as
well.8) Add and use SKB bulk free infrastructure, from Jesper Brouer.
9) Allow offloading u32 classifiers to hardware, and implement for
ixgbe, from John Fastabend.10) Allow configuring IRQ coalescing parameters on a per-queue basis,
from Kan Liang.11) Extend ethtool so that larger link mode masks can be supported.
From David Decotigny.12) Introduce devlink, which can be used to configure port link types
(ethernet vs Infiniband, etc.), port splitting, and switch device
level attributes as a whole. From Jiri Pirko.13) Hardware offload support for flower classifiers, from Amir Vadai.
14) Add "Local Checksum Offload". Basically, for a tunneled packet
the checksum of the outer header is 'constant' (because with the
checksum field filled into the inner protocol header, the payload
of the outer frame checksums to 'zero'), and we can take advantage
of that in various ways. From Edward Cree"* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1548 commits)
bonding: fix bond_get_stats()
net: bcmgenet: fix dma api length mismatch
net/mlx4_core: Fix backward compatibility on VFs
phy: mdio-thunder: Fix some Kconfig typos
lan78xx: add ndo_get_stats64
lan78xx: handle statistics counter rollover
RDS: TCP: Remove unused constant
RDS: TCP: Add sysctl tunables for sndbuf/rcvbuf on rds-tcp socket
net: smc911x: convert pxa dma to dmaengine
team: remove duplicate set of flag IFF_MULTICAST
bonding: remove duplicate set of flag IFF_MULTICAST
net: fix a comment typo
ethernet: micrel: fix some error codes
ip_tunnels, bpf: define IP_TUNNEL_OPTS_MAX and use it
bpf, dst: add and use dst_tclassid helper
bpf: make skb->tc_classid also readable
net: mvneta: bm: clarify dependencies
cls_bpf: reset class and reuse major in da
ldmvsw: Checkpatch sunvnet.c and sunvnet_common.c
ldmvsw: Add ldmvsw.c driver code
...
18 Mar, 2016
1 commit
-
CONFIG_BUG=n && CONFIG_GENERIC_BUG=y make no sense and things break:
In file included from include/linux/page-flags.h:9:0,
from kernel/bounds.c:9:
include/linux/bug.h:91:47: warning: 'struct bug_entry' declared inside parameter list
static inline int is_warning_bug(const struct bug_entry *bug)
^
include/linux/bug.h:91:47: warning: its scope is only this definition or declaration, which is probably not what you want
include/linux/bug.h: In function 'is_warning_bug':
>> include/linux/bug.h:93:12: error: dereferencing pointer to incomplete type
return bug->flags & BUGFLAG_WARNING;Reported-by: kbuild test robot
Cc: Josh Triplett
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
14 Mar, 2016
1 commit
-
This patch updates all instances of csum_tcpudp_magic and
csum_tcpudp_nofold to reflect the types that are usually used as the source
inputs. For example the protocol field is populated based on nexthdr which
is actually an unsigned 8 bit value. The length is usually populated based
on skb->len which is an unsigned integer.This addresses an issue in which the IPv6 function csum_ipv6_magic was
generating a checksum using the full 32b of skb->len while
csum_tcpudp_magic was only using the lower 16 bits. As a result we could
run into issues when attempting to adjust the checksum as there was no
protocol agnostic way to update it.With this change the value is still truncated as many architectures use
"(len + proto) << 8", however this truncation only occurs for values
greater than 16776960 in length and as such is unlikely to occur as we stop
the inner headers at ~64K in size.I did have to make a few minor changes in the arm, mn10300, nios2, and
score versions of the function in order to support these changes as they
were either using things such as an OR to combine the protocol and length,
or were using ntohs to convert the length which would have truncated the
value.I also updated a few spots in terms of whitespace and type differences for
the addresses. Most of this was just to make sure all of the definitions
were in sync going forward.Signed-off-by: Alexander Duyck
Signed-off-by: David S. Miller
09 Feb, 2016
1 commit
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Lockdep is initialized at compile time now. Get rid of lockdep_init().
Signed-off-by: Andrey Ryabinin
Signed-off-by: Andrew Morton
Cc: Linus Torvalds
Cc: Mike Krinkin
Cc: Paul E. McKenney
Cc: Peter Zijlstra
Cc: Thomas Gleixner
Cc: linux-kernel@vger.kernel.org
Cc: mm-commits@vger.kernel.org
Signed-off-by: Ingo Molnar
21 Jan, 2016
2 commits
-
Move the generic implementation to now that all
architectures support it and remove the HAVE_DMA_ATTR Kconfig symbol now
that everyone supports them.[valentinrothberg@gmail.com: remove leftovers in Kconfig]
Signed-off-by: Christoph Hellwig
Cc: "David S. Miller"
Cc: Aurelien Jacquiot
Cc: Chris Metcalf
Cc: David Howells
Cc: Geert Uytterhoeven
Cc: Haavard Skinnemoen
Cc: Hans-Christian Egtvedt
Cc: Helge Deller
Cc: James Hogan
Cc: Jesper Nilsson
Cc: Koichi Yasutake
Cc: Ley Foon Tan
Cc: Mark Salter
Cc: Mikael Starvik
Cc: Steven Miao
Cc: Vineet Gupta
Cc: Christian Borntraeger
Cc: Joerg Roedel
Cc: Sebastian Ott
Signed-off-by: Valentin Rothberg
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
[dan.carpenter@oracle.com: C6X: fix build breakage]
Signed-off-by: Christoph Hellwig
Cc: Mark Salter
Cc: Aurelien Jacquiot
Cc: Christian Borntraeger
Cc: Joerg Roedel
Cc: Sebastian Ott
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
13 Jan, 2016
1 commit
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Pull tiny c6x update from Mark Salter.
* 'for-linux-next' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
c6x: Use generic clkdev.h header
04 Dec, 2015
1 commit
-
It seems that commit 5dc12ddee93 ("Remove tas()") missed some files.
Correct this and fully drop this macro, for which we should be using
cmpxchg() like calls.Signed-off-by: Davidlohr Bueso
Signed-off-by: Peter Zijlstra (Intel)
Cc:
Cc: Andrew Morton
Cc: Aurelien Jacquiot
Cc: Chris Metcalf
Cc: David Howells
Cc: Linus Torvalds
Cc: Paul E. McKenney
Cc: Peter Zijlstra
Cc: Steven Miao
Cc: Thomas Gleixner
Cc: dave@stgolabs.net
Link: http://lkml.kernel.org/r/1445975631-17047-2-git-send-email-dave@stgolabs.net
Signed-off-by: Ingo Molnar
14 Oct, 2015
1 commit
-
The struct irq_domain contains a "struct device_node *" field
(of_node) that is almost the only link between the irqdomain
and the device tree infrastructure.In order to prepare for the removal of that field, convert all
users to use irq_domain_get_of_node() instead.Signed-off-by: Marc Zyngier
Reviewed-and-tested-by: Hanjun Guo
Tested-by: Lorenzo Pieralisi
Cc:
Cc: Tomasz Nowicki
Cc: Suravee Suthikulpanit
Cc: Graeme Gregory
Cc: Jake Oshins
Cc: Jiang Liu
Cc: Jason Cooper
Cc: Rafael J. Wysocki
Link: http://lkml.kernel.org/r/1444737105-31573-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner
04 Oct, 2015
1 commit
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Pull strscpy string copy function implementation from Chris Metcalf.
Chris sent this during the merge window, but I waffled back and forth on
the pull request, which is why it's going in only now.The new "strscpy()" function is definitely easier to use and more secure
than either strncpy() or strlcpy(), both of which are horrible nasty
interfaces that have serious and irredeemable problems.strncpy() has a useless return value, and doesn't NUL-terminate an
overlong result. To make matters worse, it pads a short result with
zeroes, which is a performance disaster if you have big buffers.strlcpy(), by contrast, is a mis-designed "fix" for strlcpy(), lacking
the insane NUL padding, but having a differently broken return value
which returns the original length of the source string. Which means
that it will read characters past the count from the source buffer, and
you have to trust the source to be properly terminated. It also makes
error handling fragile, since the test for overflow is unnecessarily
subtle.strscpy() avoids both these problems, guaranteeing the NUL termination
(but not excessive padding) if the destination size wasn't zero, and
making the overflow condition very obvious by returning -E2BIG. It also
doesn't read past the size of the source, and can thus be used for
untrusted source data too.So why did I waffle about this for so long?
Every time we introduce a new-and-improved interface, people start doing
these interminable series of trivial conversion patches.And every time that happens, somebody does some silly mistake, and the
conversion patch to the improved interface actually makes things worse.
Because the patch is mindnumbing and trivial, nobody has the attention
span to look at it carefully, and it's usually done over large swatches
of source code which means that not every conversion gets tested.So I'm pulling the strscpy() support because it *is* a better interface.
But I will refuse to pull mindless conversion patches. Use this in
places where it makes sense, but don't do trivial patches to fix things
that aren't actually known to be broken.* 'strscpy' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: use global strscpy() rather than private copy
string: provide strscpy()
Make asm/word-at-a-time.h available on all architectures
16 Sep, 2015
2 commits
-
The c6x clkdev.h header is the same as the asm-generic header, so
just use the asm-generic one.Signed-off-by: Stephen Boyd
Signed-off-by: Mark Salter -
Most interrupt flow handlers do not use the irq argument. Those few
which use it can retrieve the irq number from the irq descriptor.Remove the argument.
Search and replace was done with coccinelle and some extra helper
scripts around it. Thanks to Julia for her help!Signed-off-by: Thomas Gleixner
Cc: Julia Lawall
Cc: Jiang Liu
02 Sep, 2015
1 commit
-
Pull irq updates from Thomas Gleixner:
"This updated pull request does not contain the last few GIC related
patches which were reported to cause a regression. There is a fix
available, but I let it breed for a couple of days first.The irq departement provides:
- new infrastructure to support non PCI based MSI interrupts
- a couple of new irq chip drivers
- the usual pile of fixlets and updates to irq chip drivers
- preparatory changes for removal of the irq argument from interrupt
flow handlers
- preparatory changes to remove IRQF_VALID"* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (129 commits)
irqchip/imx-gpcv2: IMX GPCv2 driver for wakeup sources
irqchip: Add bcm2836 interrupt controller for Raspberry Pi 2
irqchip: Add documentation for the bcm2836 interrupt controller
irqchip/bcm2835: Add support for being used as a second level controller
irqchip/bcm2835: Refactor handle_IRQ() calls out of MAKE_HWIRQ
PCI: xilinx: Fix typo in function name
irqchip/gic: Ensure gic_cpu_if_up/down() programs correct GIC instance
irqchip/gic: Only allow the primary GIC to set the CPU map
PCI/MSI: pci-xgene-msi: Consolidate chained IRQ handler install/remove
unicore32/irq: Prepare puv3_gpio_handler for irq argument removal
tile/pci_gx: Prepare trio_handle_level_irq for irq argument removal
m68k/irq: Prepare irq handlers for irq argument removal
C6X/megamode-pic: Prepare megamod_irq_cascade for irq argument removal
blackfin: Prepare irq handlers for irq argument removal
arc/irq: Prepare idu_cascade_isr for irq argument removal
sparc/irq: Use access helper irq_data_get_affinity_mask()
sparc/irq: Use helper irq_data_get_irq_handler_data()
parisc/irq: Use access helper irq_data_get_affinity_mask()
mn10300/irq: Use access helper irq_data_get_affinity_mask()
irqchip/i8259: Prepare i8259_irq_dispatch for irq argument removal
...
10 Aug, 2015
1 commit
-
Migrate c6x driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.We weren't doing anything in ->set_mode(RESUME) and so tick_resume()
isn't implemented.Cc: Mark Salter
Cc: Aurelien Jacquiot
Cc: linux-c6x-dev@linux-c6x.org
Signed-off-by: Viresh Kumar
Signed-off-by: Daniel Lezcano
01 Aug, 2015
1 commit
-
The irq argument of most interrupt flow handlers is unused or merily
used instead of a local variable. The handlers which need the irq
argument can retrieve the irq number from the irq descriptor.Search and update was done with coccinelle and the invaluable help of
Julia Lawall.Signed-off-by: Thomas Gleixner
Cc: Julia Lawall
Cc: Mark Salter
Cc: linux-c6x-dev@linux-c6x.org
30 Jul, 2015
1 commit
-
Pull in upstream fixes before applying conflicting changes
27 Jul, 2015
1 commit
-
Chained irq handlers usually set up handler data as well. We now have
a function to set both under irq_desc->lock. Replace the two calls
with one.Search and conversion was done with coccinelle.
Reported-by: Russell King
Signed-off-by: Thomas Gleixner
Cc: Mark Salter
Cc: Aurelien Jacquiot
Cc: linux-c6x-dev@linux-c6x.org
Cc: Julia Lawall
Link: http://lkml.kernel.org/r/20150713130429.697731509@linutronix.de
Signed-off-by: Thomas Gleixner
18 Jul, 2015
1 commit
-
Commit 2ae416b142b6 ("mm: new mm hook framework") introduced an empty
header file (mm-arch-hooks.h) for every architecture, even those which
doesn't need to define mm hooks.As suggested by Geert Uytterhoeven, this could be cleaned through the use
of a generic header file included via each per architecture
asm/include/Kbuild file.The PowerPC architecture is not impacted here since this architecture has
to defined the arch_remap MM hook.Signed-off-by: Laurent Dufour
Suggested-by: Geert Uytterhoeven
Acked-by: Geert Uytterhoeven
Acked-by: Vineet Gupta
Cc: Oleg Nesterov
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
09 Jul, 2015
1 commit
-
Added the x86 implementation of word-at-a-time to the
generic version, which previously only supported big-endian.Omitted the x86-specific load_unaligned_zeropad(), which in
any case is also not present for the existing BE-only
implementation of a word-at-a-time, and is only used under
CONFIG_DCACHE_WORD_ACCESS.Added as a "generic-y" to the Kbuilds of all architectures
that didn't previously have it.Signed-off-by: Chris Metcalf
26 Jun, 2015
1 commit
-
Pull asm/scatterlist.h removal from Jens Axboe:
"We don't have any specific arch scatterlist anymore, since parisc
finally switched over. Kill the include"* 'for-4.2/sg' of git://git.kernel.dk/linux-block:
remove scatterlist.h generation from arch Kbuild files
remove
25 Jun, 2015
1 commit
-
CRIU is recreating the process memory layout by remapping the checkpointee
memory area on top of the current process (criu). This includes remapping
the vDSO to the place it has at checkpoint time.However some architectures like powerpc are keeping a reference to the
vDSO base address to build the signal return stack frame by calling the
vDSO sigreturn service. So once the vDSO has been moved, this reference
is no more valid and the signal frame built later are not usable.This patch serie is introducing a new mm hook framework, and a new
arch_remap hook which is called when mremap is done and the mm lock still
hold. The next patch is adding the vDSO remap and unmap tracking to the
powerpc architecture.This patch (of 3):
This patch introduces a new set of header file to manage mm hooks:
- per architecture empty header file (arch/x/include/asm/mm-arch-hooks.h)
- a generic header (include/linux/mm-arch-hooks.h)The architecture which need to overwrite a hook as to redefine it in its
header file, while architecture which doesn't need have nothing to do.The default hooks are defined in the generic header and are used in the
case the architecture is not defining it.In a next step, mm hooks defined in include/asm-generic/mm_hooks.h should
be moved here.Signed-off-by: Laurent Dufour
Suggested-by: Andrew Morton
Cc: "Kirill A. Shutemov"
Cc: Hugh Dickins
Cc: Rik van Riel
Cc: Mel Gorman
Cc: Pavel Emelyanov
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: Ingo Molnar
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
19 May, 2015
1 commit
-
Signed-off-by: Christoph Hellwig
Reported-by: Geert Uytterhoeven
Signed-off-by: Jens Axboe
17 Apr, 2015
1 commit
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Pull arch/c6x fixes from Mark Salter.
* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
c6x: platforms: cache: Export symbol L1P_cache_block_invalidate and L1D_cache_block_writeback
c6x: kernel: setup: Export symbol memory_end
c6x: kernel: setup: Add screen_info global variable
c6x: include: asm: Kbuild: Add generic serial.h
c6x: include: asm: dma-mapping: Add dummy dma_sync_single_range_for_device
c6x: include: asm: setup: Include "linux/types.h"
c6x: asm: Add default flat.h according to xtensa architecture
c6x: kernel: setup: Remove 'const' for local variables in machine_init
c6x: Makefile: Add -D__linux__
C6x: time: Ensure consistency in __init
c6x: kernel: setup: Include "linux/console.h"
16 Apr, 2015
1 commit
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Pull exec domain removal from Richard Weinberger:
"This series removes execution domain support from Linux.The idea behind exec domains was to support different ABIs. The
feature was never complete nor stable. Let's rip it out and make the
kernel signal handling code less complicated"* 'exec_domain_rip_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc: (27 commits)
arm64: Removed unused variable
sparc: Fix execution domain removal
Remove rest of exec domains.
arch: Remove exec_domain from remaining archs
arc: Remove signal translation and exec_domain
xtensa: Remove signal translation and exec_domain
xtensa: Autogenerate offsets in struct thread_info
x86: Remove signal translation and exec_domain
unicore32: Remove signal translation and exec_domain
um: Remove signal translation and exec_domain
tile: Remove signal translation and exec_domain
sparc: Remove signal translation and exec_domain
sh: Remove signal translation and exec_domain
s390: Remove signal translation and exec_domain
mn10300: Remove signal translation and exec_domain
microblaze: Remove signal translation and exec_domain
m68k: Remove signal translation and exec_domain
m32r: Remove signal translation and exec_domain
m32r: Autogenerate offsets in struct thread_info
frv: Remove signal translation and exec_domain
...
13 Apr, 2015
1 commit
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Signed-off-by: Richard Weinberger
12 Apr, 2015
1 commit
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flush_old_exec() has already done that. Back on 2011 a bunch of
instances like that had been kicked out, but that hadn't taken
care of then-out-of-tree architectures, obviously, and they served
as reinfection vector...Signed-off-by: Al Viro
26 Mar, 2015
6 commits
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They are needed by other modules, the related error with allmodconfig:
MODPOST 3327 modules
ERROR: "L1P_cache_block_invalidate" [drivers/misc/lkdtm.ko] undefined!
ERROR: "L1D_cache_block_writeback" [drivers/misc/lkdtm.ko] undefined!Signed-off-by: Chen Gang
Signed-off-by: Mark Salter -
It is needed by several modules, the related error with allmodconfig:
MODPOST 3327 modules
ERROR: "memory_end" [net/wireless/lib80211_crypt_tkip.ko] undefined!
ERROR: "memory_end" [net/sunrpc/sunrpc.ko] undefined!
ERROR: "memory_end" [net/sunrpc/auth_gss/rpcsec_gss_krb5.ko] undefined!
ERROR: "memory_end" [net/rxrpc/rxkad.ko] undefined!
ERROR: "memory_end" [net/mac802154/mac802154.ko] undefined!
ERROR: "memory_end" [net/mac80211/mac80211.ko] undefined!
ERROR: "memory_end" [net/ipv6/esp6.ko] undefined!
ERROR: "memory_end" [net/ipv6/ah6.ko] undefined!
ERROR: "memory_end" [net/ipv4/esp4.ko] undefined!
ERROR: "memory_end" [net/ipv4/ah4.ko] undefined!
ERROR: "memory_end" [net/ceph/libceph.ko] undefined!
ERROR: "memory_end" [net/9p/9pnet_virtio.ko] undefined!
ERROR: "memory_end" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "memory_end" [drivers/usb/misc/usbtest.ko] undefined!
ERROR: "memory_end" [drivers/usb/core/usbcore.ko] undefined!
ERROR: "memory_end" [drivers/target/target_core_file.ko] undefined!
ERROR: "memory_end" [drivers/net/wireless/brcm80211/brcmfmac/brcmfmac.ko] undefined!
ERROR: "memory_end" [drivers/net/wireless/ath/ath6kl/ath6kl_sdio.ko] undefined!
ERROR: "memory_end" [drivers/net/virtio_net.ko] undefined!
ERROR: "memory_end" [drivers/net/usb/usbnet.ko] undefined!
ERROR: "memory_end" [drivers/net/ppp/ppp_mppe.ko] undefined!
ERROR: "memory_end" [drivers/mtd/nand/nand.ko] undefined!
ERROR: "memory_end" [drivers/mmc/card/mmc_block.ko] undefined!
ERROR: "memory_end" [drivers/crypto/qce/qcrypto.ko] undefined!
ERROR: "memory_end" [drivers/block/drbd/drbd.ko] undefined!
ERROR: "memory_end" [drivers/block/aoe/aoe.ko] undefined!
ERROR: "memory_end" [crypto/tcrypt.ko] undefined!
ERROR: "memory_end" [crypto/gcm.ko] undefined!
ERROR: "memory_end" [crypto/cts.ko] undefined!
ERROR: "memory_end" [crypto/ccm.ko] undefined!
ERROR: "memory_end" [crypto/authencesn.ko] undefined!
ERROR: "memory_end" [crypto/authenc.ko] undefined!Signed-off-by: Chen Gang
Signed-off-by: Mark Salter -
Or can not pass building with allmodconfig:
LD init/built-in.o
drivers/built-in.o: In function `vgacon_switch':
vgacon.c:(.text+0x47f8): undefined reference to `screen_info'
vgacon.c:(.text+0x4810): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_resize':
vgacon.c:(.text+0x4ac8): undefined reference to `screen_info'
vgacon.c:(.text+0x4acc): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_save_screen':
vgacon.c:(.text+0x4cc8): undefined reference to `screen_info'
drivers/built-in.o:vgacon.c:(.text+0x4cd0): more undefined references to `screen_info' followSigned-off-by: Chen Gang
Signed-off-by: Mark Salter -
Or it will cause building break with allmodconfig:
CC [M] drivers/tty/serial/8250/8250_core.o
drivers/tty/serial/8250/8250_core.c:102:24: fatal error: asm/serial.h: No such file or directorySigned-off-by: Chen Gang
Signed-off-by: Mark Salter -
c6x does not implement get_dma_ops() for dma-mapping-common.h. And in
dma-mapping-common.h, dma_sync_single_range_for_device() may be dummy.
So c6x can just define a dummy function for allmodconfig building.CC [M] drivers/net/ethernet/micrel/ks8851.o
drivers/net/ethernet/micrel/ks8842.c: In function 'ks8842_tx_frame_dma':
drivers/net/ethernet/micrel/ks8842.c:453:2: error: implicit declaration of function 'dma_sync_single_range_for_device' [-Werror=implicit-function-declaration]
dma_sync_single_range_for_device(adapter->dev,
^Signed-off-by: Chen Gang
Signed-off-by: Mark Salter -
Some modules may assume "asm/setup.h" already include all headers which
needed by itself. So need let "asm/setup.h" include "linux/types.h", the
related error:C [M] drivers/input/joydev.o
In file included from include/asm-generic/page.h:23:0,
from ./arch/c6x/include/asm/page.h:9,
from include/asm-generic/io.h:14,
from arch/c6x/include/generated/asm/io.h:1,
from drivers/input/joydev.c:15:
./arch/c6x/include/asm/setup.h:17:27: error: unknown type name 'phys_addr_t'
extern int c6x_add_memory(phys_addr_t start, unsigned long size);
^Signed-off-by: Chen Gang
Signed-off-by: Mark Salter
