| Commit message (Collapse) | Author | Age |
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Test the kernels signal generation code to ensure it can handle an
invalid stack pointer when transactional.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Tested-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
[mpe: Skip if we don't have TM]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Test the kernel's signal return code to ensure that it doesn't crash
when both the transactional and suspend MSR bits are set in the signal
context.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Tested-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
[mpe: Skip if we don't have TM]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Move have_htm_nosc() into a new tm.h, and add a new helper, have_htm()
which we'll use in the next patch.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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We already do this twice and want to add another so add a helper.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This doesn't really belong in harness.c, it's a helper function. So move
it into utils.c.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Two DSCR tests have a hack in them:
/*
* XXX: Force a context switch out so that DSCR
* current value is copied into the thread struct
* which is required for the child to inherit the
* changed value.
*/
sleep(1);
We should not be working around this in the testcase, it is a kernel bug.
Fix it by copying the current DSCR to the child, instead of what we
had in the thread struct at last context switch.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc changes:
- fix lguest bug
- fix /proc/meminfo output on certain configs
- fix pvclock bug
- fix reboot on certain iMacs by adding new reboot quirk
- fix bootup crash
- fix FPU boot line option parsing
- add more x86 self-tests
- small cleanups, documentation improvements, etc"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu/amd: Remove an unneeded condition in srat_detect_node()
x86/vdso/pvclock: Protect STABLE check with the seqcount
x86/mm: Improve switch_mm() barrier comments
selftests/x86: Test __kernel_sigreturn and __kernel_rt_sigreturn
x86/reboot/quirks: Add iMac10,1 to pci_reboot_dmi_table[]
lguest: Map switcher text R/O
x86/boot: Hide local labels in verify_cpu()
x86/fpu: Disable AVX when eagerfpu is off
x86/fpu: Disable MPX when eagerfpu is off
x86/fpu: Disable XGETBV1 when no XSAVE
x86/fpu: Fix early FPU command-line parsing
x86/mm: Use PAGE_ALIGNED instead of IS_ALIGNED
selftests/x86: Disable the ldt_gdt_64 test for now
x86/mm/pat: Make split_page_count() check for empty levels to fix /proc/meminfo output
x86/boot: Double BOOT_HEAP_SIZE to 64KB
x86/mm: Add barriers and document switch_mm()-vs-flush synchronization
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The vdso-based sigreturn mechanism is fragile and isn't used by
modern glibc so, if we break it, we'll only notice when someone
tests an unusual libc.
Add an explicit selftest.
[ I wrote this while debugging a Bionic breakage -- my first guess
was that I had somehow messed up sigreturn. I've caused problems in
that code before, and it's really easy to fail to notice it because
there's nothing on a modern distro that needs vdso-based sigreturn. ]
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/32946d714156879cd8e5d8eab044cd07557ed558.1452628504.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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ldt_gdt.c relies on cross-cpu invalidation of SS to do one of
its tests. On 32-bit builds, this works fine, but on 64-bit
builds, it only works if the kernel has proper SS sigcontext
handling for 64-bit user programs.
Since the SS fixes are currently reverted, restrict the test
case to 32 bits for now.
In principle, I could change the test to use a different segment
register, but it would be messy: CS can't point to the LDT for
64-bit code, and the other registers don't result in immediate
faults because they aren't reloaded on kernel -> user
transitions.
When we fix sigcontext (in 4.6?), we can revert this.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/231591d9122d282402d8f53175134f8db5b3bc73.1452561752.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"Not much new with tracing for this release. Mostly just clean ups and
minor fixes.
Here's what else is new:
- A new TRACE_EVENT_FN_COND macro, combining both _FN and _COND for
those that want both.
- New selftest to test the instance create and delete
- Better debug output when ftrace fails"
* tag 'trace-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (24 commits)
ftrace: Fix the race between ftrace and insmod
ftrace: Add infrastructure for delayed enabling of module functions
x86: ftrace: Fix the comments for ftrace_modify_code_direct()
tracing: Fix comment to use tracing_on over tracing_enable
metag: ftrace: Fix the comments for ftrace_modify_code
sh: ftrace: Fix the comments for ftrace_modify_code()
ia64: ftrace: Fix the comments for ftrace_modify_code()
ftrace: Clean up ftrace_module_init() code
ftrace: Join functions ftrace_module_init() and ftrace_init_module()
tracing: Introduce TRACE_EVENT_FN_COND macro
tracing: Use seq_buf_used() in seq_buf_to_user() instead of len
bpf: Constify bpf_verifier_ops structure
ftrace: Have ftrace_ops_get_func() handle RCU and PER_CPU flags too
ftrace: Remove use of control list and ops
ftrace: Fix output of enabled_functions for showing tramp
ftrace: Fix a typo in comment
ftrace: Show all tramps registered to a record on ftrace_bug()
ftrace: Add variable ftrace_expected for archs to show expected code
ftrace: Add new type to distinguish what kind of ftrace_bug()
tracing: Update cond flag when enabling or disabling a trigger
...
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Create a test to test instance creation and deletion. Several tasks are
created that create 3 directories and delete them. The tasks all create the
same directories. This places a stress on the code that creates and deletes
instances.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Pull networking updates from Davic Miller:
1) Support busy polling generically, for all NAPI drivers. From Eric
Dumazet.
2) Add byte/packet counter support to nft_ct, from Floriani Westphal.
3) Add RSS/XPS support to mvneta driver, from Gregory Clement.
4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
Frederic Sowa.
5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.
6) Add support for VLAN device bridging to mlxsw switch driver, from
Ido Schimmel.
7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.
8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.
9) Reorganize wireless drivers into per-vendor directories just like we
do for ethernet drivers. From Kalle Valo.
10) Provide a way for administrators "destroy" connected sockets via the
SOCK_DESTROY socket netlink diag operation. From Lorenzo Colitti.
11) Add support to add/remove multicast routes via netlink, from Nikolay
Aleksandrov.
12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.
13) Add forwarding and packet duplication facilities to nf_tables, from
Pablo Neira Ayuso.
14) Dead route support in MPLS, from Roopa Prabhu.
15) TSO support for thunderx chips, from Sunil Goutham.
16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.
17) Rationalize, consolidate, and more completely document the checksum
offloading facilities in the networking stack. From Tom Herbert.
18) Support aborting an ongoing scan in mac80211/cfg80211, from
Vidyullatha Kanchanapally.
19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
net: bnxt: always return values from _bnxt_get_max_rings
net: bpf: reject invalid shifts
phonet: properly unshare skbs in phonet_rcv()
dwc_eth_qos: Fix dma address for multi-fragment skbs
phy: remove an unneeded condition
mdio: remove an unneed condition
mdio_bus: NULL dereference on allocation error
net: Fix typo in netdev_intersect_features
net: freescale: mac-fec: Fix build error from phy_device API change
net: freescale: ucc_geth: Fix build error from phy_device API change
bonding: Prevent IPv6 link local address on enslaved devices
IB/mlx5: Add flow steering support
net/mlx5_core: Export flow steering API
net/mlx5_core: Make ipv4/ipv6 location more clear
net/mlx5_core: Enable flow steering support for the IB driver
net/mlx5_core: Initialize namespaces only when supported by device
net/mlx5_core: Set priority attributes
net/mlx5_core: Connect flow tables
net/mlx5_core: Introduce modify flow table command
net/mlx5_core: Managing root flow table
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This socket-lookup path did not pass along the skb in question
in my original BPF-based socket selection patch. The skb in the
udpN_lib_lookup2 path can be used for BPF-based socket selection just
like it is in the 'traditional' udpN_lib_lookup path.
udpN_lib_lookup2 kicks in when there are greater than 10 sockets in
the same hlist slot. Coincidentally, I chose 10 sockets per
reuseport group in my functional test, so the lookup2 path was not
excersised. This adds an additional set of tests with 20 sockets.
Fixes: 538950a1b752 ("soreuseport: setsockopt SO_ATTACH_REUSEPORT_[CE]BPF")
Fixes: 3ca8e4029969 ("soreuseport: BPF selection functional test")
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Craig Gallek <kraig@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This program will build classic and extended BPF programs and
validate the socket selection logic when used with
SO_ATTACH_REUSEPORT_CBPF and SO_ATTACH_REUSEPORT_EBPF.
It also validates the re-programing flow and several edge cases.
Signed-off-by: Craig Gallek <kraig@google.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
"This contains beside of random fixes/cleanups two bigger changes:
- seccomp support by Mickaël Salaün
- IRQ rework by Anton Ivanov"
* 'for-linus-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: Use race-free temporary file creation
um: Do not set unsecure permission for temporary file
um: Fix build error and kconfig for i386
um: Add seccomp support
um: Add full asm/syscall.h support
selftests/seccomp: Remove the need for HAVE_ARCH_TRACEHOOK
um: Fix ptrace GETREGS/SETREGS bugs
um: link with -lpthread
um: Update UBD to use pread/pwrite family of functions
um: Do not change hard IRQ flags in soft IRQ processing
um: Prevent IRQ handler reentrancy
uml: flush stdout before forking
uml: fix hostfs mknod()
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Some architectures do not implement PTRACE_GETREGSET nor
PTRACE_SETREGSET (required by HAVE_ARCH_TRACEHOOK) but only implement
PTRACE_GETREGS and PTRACE_SETREGS (e.g. User-mode Linux).
This improve seccomp selftest portability for architectures without
HAVE_ARCH_TRACEHOOK support by defining a new trigger HAVE_GETREGS. For
now, this is only enabled for i386 and x86_64 architectures. This is
required to be able to run this tests on User-mode Linux.
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Kees Cook <keescook@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Will Drewry <wad@chromium.org>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Meredydd Luff <meredydd@senatehouse.org>
Cc: David Drysdale <drysdale@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Kees Cook <keescook@chromium.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates - and a leftover fix - from Thomas Gleixner:
"A rather large (commit wise) update from the timer side:
- A bulk update to make compile tests work in the clocksource drivers
- An overhaul of the h8300 timers
- Some more Y2038 work
- A few overflow prevention checks in the timekeeping/ntp code
- The usual pile of fixes and improvements to the various
clocksource/clockevent drivers and core code"
Also:
"A single fix for the posix-clock poll code which did not make it into
4.4"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (84 commits)
clocksource/drivers/acpi_pm: Convert to pr_* macros
clocksource: Make clocksource validation work for all clocksources
timekeeping: Cap adjustments so they don't exceed the maxadj value
ntp: Fix second_overflow's input parameter type to be 64bits
ntp: Change time_reftime to time64_t and utilize 64bit __ktime_get_real_seconds
timekeeping: Provide internal function __ktime_get_real_seconds
clocksource/drivers/h8300: Use ioread / iowrite
clocksource/drivers/h8300: Initializer cleanup.
clocksource/drivers/h8300: Simplify delta handling
clocksource/drivers/h8300: Fix timer not overflow case
clocksource/drivers/h8300: Change to overflow interrupt
clocksource/drivers/lpc32: Correct pr_err() output format
clocksource/drivers/arm_global_timer: Fix suspend resume
clocksource/drivers/pistachio: Fix wrong calculated clocksource read value
clockevents/drivers/arm_global_timer: Use writel_relaxed in gt_compare_set
clocksource/drivers/dw_apb_timer: Inline apbt_readl and apbt_writel
clocksource/drivers/dw_apb_timer: Use {readl|writel}_relaxed in critical path
clocksource/drivers/dw_apb_timer: Fix apbt_readl return types
clocksource/drivers/tango-xtal: Replace code by clocksource_mmio_init
clocksource/drivers/h8300: Increase the compilation test coverage
...
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-clock: Fix return code on the poll method's error path
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The function can return negative value.
The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU changes from Paul E. McKenney:
- Adding transitivity uniformly to rcu_node structure ->lock
acquisitions. (This is implemented by the first two commits
on top of v4.4-rc2 due to the pervasive nature of this change.)
- Documentation updates, including RCU requirements.
- Expedited grace-period changes.
- Miscellaneous fixes.
- Linked-list fixes, courtesy of KTSAN.
- Torture-test updates.
- Late-breaking fix to sysrq-generated crash.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Currently, the console output files ("console.log") are placed in the
build directory initially, then copied to the results directory.
One problem with this is if a qemu refuses to die in a timely fashion
after a kernel hang, it will continue to write after the next qemu
starts up, resulting in confusing output from the old instance of
qemu. This commit prevents such confusion by placing the console.log
files into the results directory to begin with, so that a given instance
of qemu is always writing only to its own console.log file.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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Currently, the scripts print a list of warning/bug indicators from the
console.log file. This works well if there are only a few warnings or
bugs, but can be quite annoying if there is a large number. This commit
therefore prints a summary listing the number of each type of warning/bug
indicator, but only if there is at least one such indicator. The full
list is stored in the results directory at console.log.diags, which
makes it easier to find the warning/bugs in the full console.log.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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Commit d1ec4c34c7a9 ("rcu: Drop RCU_USER_QS in favor of NO_HZ_FULL") has
removed RCU_USER_QS from Kconfig file, so remove it from some documents
to avoid any confusion.
Signed-off-by: Yang Shi <yang.shi@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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The default test grace period of two minutes is insufficient in some
cases and excessive in others. This commit therefore increases the
default to three minutes, but also adds a --shutdown-grace parameter
to allow the default to be overridden.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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Currently, the scripts print "----Start batch" at the beginning of each
batch, which does serve as a good visual delimiter between batches.
Unfortunately, if there are a lot of batches, it is hard to quickly
estimate test runtime from the output of "--dryrun sched". This commit
therefore adds a batch number, so that the beginning-of-batch output
looks like this "----Start batch 10" for the tenth batch.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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The commit fd88d16c58c2 ("selftests/seccomp: Be more precise with
syscall arguments.") use PAGE_SIZE directly which lead to build
failure on arm64.
Replace it with generic interface(sysconf(_SC_PAGESIZE)) to fix this
failure.
Build and test successful on x86_64 and arm64.
Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
Acked-by: Kees Cook <keescook@chromium.org>
Tested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Correct typo in tools/testing/selftests/futex/README.
Signed-off-by: Wei Jiangang <weijg.fnst@cn.fujitsu.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Merge final patch-bomb from Andrew Morton:
"Various leftovers, mainly Christoph's pci_dma_supported() removals"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
pci: remove pci_dma_supported
usbnet: remove ifdefed out call to dma_supported
kaweth: remove ifdefed out call to dma_supported
sfc: don't call dma_supported
nouveau: don't call pci_dma_supported
netup_unidvb: use pci_set_dma_mask insted of pci_dma_supported
cx23885: use pci_set_dma_mask insted of pci_dma_supported
cx25821: use pci_set_dma_mask insted of pci_dma_supported
cx88: use pci_set_dma_mask insted of pci_dma_supported
saa7134: use pci_set_dma_mask insted of pci_dma_supported
saa7164: use pci_set_dma_mask insted of pci_dma_supported
tw68-core: use pci_set_dma_mask insted of pci_dma_supported
pcnet32: use pci_set_dma_mask insted of pci_dma_supported
lib/string.c: add ULL suffix to the constant definition
hugetlb: trivial comment fix
selftests/mlock2: add ULL suffix to 64-bit constants
selftests/mlock2: add missing #define _GNU_SOURCE
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On 32-bit (e.g. m68k):
mlock2-tests.c: In function 'lock_check':
mlock2-tests.c:293: warning: integer constant is too large for 'long' type
mlock2-tests.c:294: warning: integer constant is too large for 'long' type
mlock2-tests.c:299: warning: integer constant is too large for 'long' type
...
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Eric B Munson <emunson@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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On glibc 2.3.6:
mlock2-tests.c: In function 'seek_to_smaps_entry':
mlock2-tests.c:158: warning: implicit declaration of function 'getline'
According to the manpage of getline(), it needs _GNU_SOURCE before glibc
2.10.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Eric B Munson <emunson@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
"This 12 patch update for 4.4-rc1 consists of a new pstore test and
fixes to existing tests"
* tag 'linux-kselftest-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: breakpoint: Actually build it
selftests: vm: Try harder to allocate huge pages
selftests: Make scripts executable
selftests: kprobe: Choose an always-defined function to probe
selftests: memfd: Stop unnecessary rebuilds
selftests: Add missing #include directives
selftests/seccomp: Be more precise with syscall arguments.
selftests/seccomp: build and pass on arm64
selftests: memfd_test: Revised STACK_SIZE to make it 16-byte aligned
selftests/pstore: add pstore test scripts going with reboot
selftests/pstore: add pstore test script for pre-reboot
selftests: add .gitignore for efivarfs
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Fixes: 9fae100cbd10 ("selftests: breakpoints: fix installing error on ...")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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If we need to increase the number of huge pages, drop caches first
to reduce fragmentation and then check that we actually allocated
as many as we wanted. Retry once if that doesn't work.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Fixes: 87b2d44026e0 ("selftests: add memfd/sealing page-pinning tests")
Fixes: 2bf9e0ab08c6 ("locking/static_keys: Provide a selftest")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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do_fork() is no longer defined on x86, so probe _do_fork() instead.
Fixes: 3033f14ab78c ("clone: support passing tls argument via C ...")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Instead of explicitly running the compiler, add dependencies and take
advantage of implicit rules to build only as necessary.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Several C programs fail to include the headers declaring all the
functions they call, resulting in warnings or errors.
After this, memfd_test.c is still missing some function declarations
but can't easily get them because of a conflict between
<linux/fcntl.h> and <sys/fcntl.h>.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Certain syscall emulation layers strictly check that the number of
arguments match what the syscall handler expects. The KILL_one_arg_one and
KILL_one_arg_six tests passed more parameters than expected to various
syscalls, causing failures in this emulation mode. Instead, test using
syscalls that take the appropriate number of arguments.
Signed-off-by: Robert Sesek <rsesek@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Changing arm64 syscalls is done via a specific register set, more like s390
than like arm (specific ptrace call) and x86 (part of general registers).
Since (restarting) poll doesn't exist on arm64, switch to using nanosleep
for testing restart_syscall. And since it looks like the syscall ABI is
inconsistent on arm-compat, so we must work around it (and document it) in
the test.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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There is a mandate of 16-byte aligned stack on AArch64 [1], so the
STACK_SIZE here should also be 16-byte aligned, otherwise we would
get an error when calling clone().
[1] http://lxr.free-electrons.com/source/arch/arm64/kernel/process.c#L265
Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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To test pstore in earnest, we have to cause kernel crash and check
pstore filesystem after reboot.
We add two scripts:
- pstore_crash_test
This script causes kernel crash and reboot. It is executed by
'make run_pstore_crash' in selftests. It can also be used with kdump.
- pstore_post_reboot_tests
This script includes test cases which check pstore's behavior after
crash and reboot. It is executed together with pstore_tests by
'make run_tests [-C pstore]' in selftests.
The test cases in pstore_post_reboot_tests are currently following.
- Check pstore backend is registered
- Mount pstore filesystem
- Check dmesg/console/pmsg files exist in pstore filesystem
- Check dmesg/console files contain oops end marker
- Check pmsg file properly keeps the content written before crash
- Remove all files in pstore filesystem
Example usage is following.
(before reboot)
# cd /path/to/selftests
# make run_tests -C pstore
=== Pstore unit tests (pstore_tests) ===
UUID=b49b02cf-b0c2-4309-be43-b08c3971e37f
...
selftests: pstore_tests [PASS]
=== Pstore unit tests (pstore_post_reboot_tests) ===
UUID=953eb1bc-8e03-48d7-b27a-6552b24c5b7e
Checking pstore backend is registered ... ok
backend=ramoops
cmdline=console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait mem=768M ramoops.mem_address=0x30000000 ramoops.mem_size=0x10000
pstore_crash_test has not been executed yet. we skip further tests.
selftests: pstore_post_reboot_tests [PASS]
# make run_pstore_crash
=== Pstore unit tests (pstore_crash_test) ===
UUID=93c8972d-1466-430b-8c4a-28d8681e74c6
Checking pstore backend is registered ... ok
backend=ramoops
cmdline=console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait mem=768M ramoops.mem_address=0x30000000 ramoops.mem_size=0x10000
Causing kernel crash ...
(kernel crash and reboot)
...
(after reboot)
# make run_tests -C pstore
=== Pstore unit tests (pstore_tests) ===
UUID=8e511e77-2285-499f-8bc0-900d9af1fbcc
...
selftests: pstore_tests [PASS]
=== Pstore unit tests (pstore_post_reboot_tests) ===
UUID=2dcc2132-4f3c-45aa-a38f-3b54bff8cef1
Checking pstore backend is registered ... ok
backend=ramoops
cmdline=console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait mem=768M ramoops.mem_address=0x30000000 ramoops.mem_size=0x10000
Mounting pstore filesystem ... ok
Checking dmesg files exist in pstore filesystem ... ok
dmesg-ramoops-0
dmesg-ramoops-1
Checking console files exist in pstore filesystem ... ok
console-ramoops-0
Checking pmsg files exist in pstore filesystem ... ok
pmsg-ramoops-0
Checking dmesg files contain oops end marker
dmesg-ramoops-0 ... ok
dmesg-ramoops-1 ... ok
Checking console file contains oops end marker ... ok
Checking pmsg file properly keeps the content written before crash ... ok
Removing all files in pstore filesystem
console-ramoops-0 ... ok
dmesg-ramoops-0 ... ok
dmesg-ramoops-1 ... ok
pmsg-ramoops-0 ... ok
selftests: pstore_post_reboot_tests [PASS]
Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mark Salyzyn <salyzyn@android.com>
Cc: Seiji Aguchi <seiji.aguchi.tr@hitachi.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-api@vger.kernel.org
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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The pstore_tests script includes test cases which check pstore's
behavior before crash (and reboot).
The test cases are currently following.
- Check pstore backend is registered
- Check pstore console is registered
- Check /dev/pmsg0 exists
- Write unique string to /dev/pmsg0
The unique string written to /dev/pmsg includes UUID. The UUID is also
left in 'uuid' file in order to enable us to check if the pmsg keeps the
string correctly after reboot.
Example usage is following.
# cd /path/to/selftests
# make run_tests -C pstore (or just .pstore/pstore_tests)
make: Entering directory '/path/to/selftests/pstore'
=== Pstore unit tests (pstore_tests) ===
UUID=b49b02cf-b0c2-4309-be43-b08c3971e37f
Checking pstore backend is registered ... ok
backend=ramoops
cmdline=console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait mem=768M ramoops.mem_address=0x30000000 ramoops.mem_size=0x10000
Checking pstore console is registered ... ok
Checking /dev/pmsg0 exists ... ok
Writing unique string to /dev/pmsg0 ... ok
selftests: pstore_tests [PASS]
make: Leaving directory '/path/to/selftests/pstore'
We can also see test logs later.
# cat pstore/logs/20151001-072718_b49b02cf-b0c2-4309-be43-b08c3971e37f/pstore_tests.log
Thu Oct 1 07:27:18 UTC 2015
=== Pstore unit tests (pstore_tests) ===
UUID=b49b02cf-b0c2-4309-be43-b08c3971e37f
Checking pstore backend is registered ... ok
backend=ramoops
cmdline=console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait mem=768M ramoops.mem_address=0x30000000 ramoops.mem_size=0x10000
Checking pstore console is registered ... ok
Checking /dev/pmsg0 exists ... ok
Writing unique string to /dev/pmsg0 ... ok
Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mark Salyzyn <salyzyn@android.com>
Cc: Seiji Aguchi <seiji.aguchi.tr@hitachi.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-api@vger.kernel.org
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Signed-off-by: Yuan Sun <sunyuan3@huawei.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Core:
- Fix rtctest error path
New drivers:
- Microcrystal RV8803
Subsystem wide cleanups:
- remove misuse of IRQF_NO_SUSPEND flag
Drivers:
- at91rm9200: clear RTC alarm status flag prior to suspending
- davinci: remove incorrect reference to probe function
- ds1307: Fix alarm programming for mcp794xx
- ds1390: trickle charger support, fix ds1390_get_reg
- isl1208: Pass the IRQF_ONESHOT flag
- opal: fix type of token
- pcf2127: fix RTC_READ_VL, remove useless driver version
- pcf85063: return an error when date is invalid
- pcf8563: add CLKOUT to common clock framework
- rx8025: remove unnecessary braces
- s3c: Set year, month, day value for setting alarm
- stmp3xxx: unify register access macros
- License fixes: pcf2127, da9063
- wakeup-source support for isl12057 and opal"
* tag 'rtc-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (23 commits)
rtc: Add a driver for Micro Crystal RV8803
rtc: s3c: Set year, month, day value for setting alarm
rtc: ds1307: Fix alarm programming for mcp794xx
rtc: isl12057: enable support for the standard "wakeup-source" property
rtc: opal: enable support for the stardard "wakeup-source" property
rtc: isl1208: Pass the IRQF_ONESHOT flag
rtc: pcf8563: add CLKOUT to common clock framework
rtc: davinci: remove incorrect reference to probe function
rtc: at91rm9200: clear RTC alarm status flag prior to suspending
rtc: pcf2127: remove useless driver version
rtc: pcf2127: fix reading uninitialized value on RTC_READ_VL ioctl
rtc: stmp3xxx: unify register access macros
rtc: da9063: GPL copyright inconsistency fix
rtc: pcf85063: return an error when date is invalid
rtc: rx8025: remove unnecessary braces
rtc: ds1343: remove misuse of IRQF_NO_SUSPEND flag
rtc: ab8500: remove misuse of IRQF_NO_SUSPEND flag
rtc: pl031: remove misuse of IRQF_NO_SUSPEND flag
rtc: opal: fix type of token
rtc: ds1390: Add trickle charger device tree binding
...
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Calling ioctl(..., RTC_UIE_ON, ...) without CONFIG_RTC_INTF_DEV_UIE_EMUL
either ends in rtc_update_irq_enable if rtc->uie_unsupported is true
or in __rtc_set_alarm in the if (!rtc->ops->set_alarm) branch. In both
cases the return value is -EINVAL. So check for that one instead of
ENOTTY.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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This runs the lib/test_printf module to make sure printf is operating
sanely.
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Kconfig: remove BE-only platforms from LE kernel build from Boqun
Feng
- Refresh ps3_defconfig from Geoff Levand
- Emit GNU & SysV hashes for the vdso from Michael Ellerman
- Define an enum for the bolted SLB indexes from Anshuman Khandual
- Use a local to avoid multiple calls to get_slb_shadow() from Michael
Ellerman
- Add gettimeofday() benchmark from Michael Neuling
- Avoid link stack corruption in __get_datapage() from Michael Neuling
- Add virt_to_pfn and use this instead of opencoding from Aneesh Kumar
K.V
- Add ppc64le_defconfig from Michael Ellerman
- pseries: extract of_helpers module from Andy Shevchenko
- Correct string length in pseries_of_derive_parent() from Nathan
Fontenot
- Free the MSI bitmap if it was slab allocated from Denis Kirjanov
- Shorten irq_chip name for the SIU from Christophe Leroy
- Wait 1s for secondaries to enter OPAL during kexec from Samuel
Mendoza-Jonas
- Fix _ALIGN_* errors due to type difference, from Aneesh Kumar K.V
- powerpc/pseries/hvcserver: don't memset pi_buff if it is null from
Colin Ian King
- Disable hugepd for 64K page size, from Aneesh Kumar K.V
- Differentiate between hugetlb and THP during page walk from Aneesh
Kumar K.V
- Make PCI non-optional for pseries from Michael Ellerman
- Individual System V IPC system calls from Sam bobroff
- Add selftest of unmuxed IPC calls from Michael Ellerman
- discard .exit.data at runtime from Stephen Rothwell
- Delete old orphaned PrPMC 280/2800 DTS and boot file, from Paul
Gortmaker
- Use of_get_next_parent to simplify code from Christophe Jaillet
- Paginate some xmon output from Sam bobroff
- Add some more elements to the xmon PACA dump from Michael Ellerman
- Allow the tm-syscall selftest to build with old headers from Michael
Ellerman
- Run EBB selftests only on POWER8 from Denis Kirjanov
- Drop CONFIG_TUNE_CELL in favour of CONFIG_CELL_CPU from Michael
Ellerman
- Avoid reference to potentially freed memory in prom.c from Christophe
Jaillet
- Quieten boot wrapper output with run_cmd from Geoff Levand
- EEH fixes and cleanups from Gavin Shan
- Fix recursive fenced PHB on Broadcom shiner adapter from Gavin Shan
- Use of_get_next_parent() in of_get_ibm_chip_id() from Michael
Ellerman
- Fix section mismatch warning in msi_bitmap_alloc() from Denis
Kirjanov
- Fix ps3-lpm white space from Rudhresh Kumar J
- Fix ps3-vuart null dereference from Colin King
- nvram: Add missing kfree in error path from Christophe Jaillet
- nvram: Fix function name in some errors messages, from Christophe
Jaillet
- drivers/macintosh: adb: fix misleading Kconfig help text from Aaro
Koskinen
- agp/uninorth: fix a memleak in create_gatt_table from Denis Kirjanov
- cxl: Free virtual PHB when removing from Andrew Donnellan
- scripts/kconfig/Makefile: Allow KBUILD_DEFCONFIG to be a target from
Michael Ellerman
- scripts/kconfig/Makefile: Fix KBUILD_DEFCONFIG check when building
with O= from Michael Ellerman
- Freescale updates from Scott: Highlights include 64-bit book3e
kexec/kdump support, a rework of the qoriq clock driver, device tree
changes including qoriq fman nodes, support for a new 85xx board, and
some fixes.
- MPC5xxx updates from Anatolij: Highlights include a driver for
MPC512x LocalPlus Bus FIFO with its device tree binding
documentation, mpc512x device tree updates and some minor fixes.
* tag 'powerpc-4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (106 commits)
powerpc/msi: Fix section mismatch warning in msi_bitmap_alloc()
powerpc/prom: Use of_get_next_parent() in of_get_ibm_chip_id()
powerpc/pseries: Correct string length in pseries_of_derive_parent()
powerpc/e6500: hw tablewalk: make sure we invalidate and write to the same tlb entry
powerpc/mpc85xx: Add FSL QorIQ DPAA FMan support to the SoC device tree(s)
powerpc/mpc85xx: Create dts components for the FSL QorIQ DPAA FMan
powerpc/fsl: Add #clock-cells and clockgen label to clockgen nodes
powerpc: handle error case in cpm_muram_alloc()
powerpc: mpic: use IRQCHIP_SKIP_SET_WAKE instead of redundant mpic_irq_set_wake
powerpc/book3e-64: Enable kexec
powerpc/book3e-64/kexec: Set "r4 = 0" when entering spinloop
powerpc/booke: Only use VIRT_PHYS_OFFSET on booke32
powerpc/book3e-64/kexec: Enable SMP release
powerpc/book3e-64/kexec: create an identity TLB mapping
powerpc/book3e-64: Don't limit paca to 256 MiB
powerpc/book3e/kdump: Enable crash_kexec_wait_realmode
powerpc/book3e: support CONFIG_RELOCATABLE
powerpc/booke64: Fix args to copy_and_flush
powerpc/book3e-64: rename interrupt_end_book3e with __end_interrupts
powerpc/e6500: kexec: Handle hardware threads
...
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EBB (Event Based Branches) are currently only available on POWER8, so we
should skip them on other CPUs.
I've found that at least one test loops forever on 970MP (cycles_with_freeze_test).
Signed-off-by: Denis Kirjanov <kda@linux-powerpc.org>
[mpe: Minor change log editing, add skip to cpu_event_vs_ebb_test]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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When building against older kernel headers, currently the tm-syscall
test fails to build because PPC_FEATURE2_HTM_NOSC is not defined.
Tweak the test so that if PPC_FEATURE2_HTM_NOSC is not defined it still
builds, but prints a warning at run time and marks the test as skipped.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This list has gotten too long. Split it into individual lines and sort
them, so in future we can add new entries more cleanly.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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