Some fixes for regressions and boot issues for various devices:
- Fix gpt12 system timer regression on earlier beagleboard revisions
- Fix potential NULL pointer access for omap_hwmod_get_pwrdm()
- Disable RNG on secure am335x variants as it's not accessible
- Fix flakey DCDC2 voltage causing hangs on am43x-epos-evm by reducing
i2c0 bus speed for tps65218
- Fix typo for am437x-l4 can@0 node
- Fix omap5 regression caused by vdds_1v8_main fixed-regulator
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Merge tag 'omap-for-v5.14/fixes-rc5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.14-rc series
Some fixes for regressions and boot issues for various devices:
- Fix gpt12 system timer regression on earlier beagleboard revisions
- Fix potential NULL pointer access for omap_hwmod_get_pwrdm()
- Disable RNG on secure am335x variants as it's not accessible
- Fix flakey DCDC2 voltage causing hangs on am43x-epos-evm by reducing
i2c0 bus speed for tps65218
- Fix typo for am437x-l4 can@0 node
- Fix omap5 regression caused by vdds_1v8_main fixed-regulator
* tag 'omap-for-v5.14/fixes-rc5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
omap5-board-common: remove not physically existing vdds_1v8_main fixed-regulator
ARM: dts: am437x-l4: fix typo in can@0 node
ARM: dts: am43x-epos-evm: Reduce i2c0 bus speed for tps65218
bus: ti-sysc: AM3: RNG is GP only
ARM: omap2+: hwmod: fix potential NULL pointer access
bus: ti-sysc: Fix gpt12 system timer issue with reserved status
Link: https://lore.kernel.org/r/pull-1627995895-406133@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Rename two local variables in teo_select() so that their names better
reflect their purpose.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are three mistakes in the loop in teo_select() that is looking
for an alternative candidate idle state. First, it should walk all
of the idle states shallower than the current candidate one,
including all of the disabled ones, but it terminates after the first
enabled idle state. Second, it should not terminate its last step
if idle state 0 is disabled (which is related to the first issue).
Finally, it may return the current alternative candidate idle state
prematurely if the time span criterion is not met by the idle state
under consideration at the moment.
To address the issues mentioned above, make the loop in question walk
all of the idle states shallower than the current candidate idle state
all the way down to idle state 0 and rearrange the checks in it.
Fixes: 77577558f2 ("cpuidle: teo: Rework most recent idle duration values treatment")
Reported-by: Doug Smythies <dsmythies@telus.net>
Tested-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This contains a few core and driver fixes that have been reported.
- core: Fix undersized devres_alloc allocation
- core: Zero initial BW after sync-state
- core: Always call pre_aggregate before aggregate
- qcom: rpmh: Ensure floor BW is enforced for all nodes
- qcom: rpmh: Add BCMs to commit list in pre_aggregate
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Merge tag 'icc-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-linus
Georgi writes:
interconnect fixes for v5.14
This contains a few core and driver fixes that have been reported.
- core: Fix undersized devres_alloc allocation
- core: Zero initial BW after sync-state
- core: Always call pre_aggregate before aggregate
- qcom: rpmh: Ensure floor BW is enforced for all nodes
- qcom: rpmh: Add BCMs to commit list in pre_aggregate
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* tag 'icc-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc:
interconnect: Fix undersized devress_alloc allocation
interconnect: qcom: icc-rpmh: Add BCMs to commit list in pre_aggregate
interconnect: qcom: icc-rpmh: Ensure floor BW is enforced for all nodes
interconnect: Always call pre_aggregate before aggregate
interconnect: Zero initial BW after sync-state
The patch fixing the returned value of ip6_skb_dst_mtu (int -> unsigned
int) was rebased between its initial review and the version applied. In
the meantime fade56410c was applied, which added a new variable (int)
used as the returned value. This lead to a mismatch between the function
prototype and the variable used as the return value.
Fixes: 40fc3054b4 ("net: ipv6: fix return value of ip6_skb_dst_mtu")
Cc: Vadim Fedorenko <vfedorenko@novek.ru>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pauseframe control is set to symmetric mode by default on the NFP.
Pause frames can not be configured through ethtool now, but ethtool can
report the supported mode.
Fixes: 265aeb511b ("nfp: add support for .get_link_ksettings()")
Signed-off-by: Fei Qin <fei.qin@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Provide missing kdoc of fields of struct tcf_pkt_info and tcf_ematch_ops.
Found using ./scripts/kernel-doc -none -Werror include/net/pkt_cls.h
Signed-off-by: Bijie Xu <bijie.xu@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Correct mismatch between the name of flow_offload_has_one_action()
and its kdoc entry.
Found using ./scripts/kernel-doc -Werror -none include/net/flow_offload.h
Signed-off-by: Bijie Xu <bijie.xu@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It turned out that the current implementation of the port subscription
is racy. The subscription contains two linked lists, and we have to
add to or delete from both lists. Since both connection and
disconnection procedures perform the same order for those two lists
(i.e. src list, then dest list), when a deletion happens during a
connection procedure, the src list may be deleted before the dest list
addition completes, and this may lead to a use-after-free or an Oops,
even though the access to both lists are protected via mutex.
The simple workaround for this race is to change the access order for
the disconnection, namely, dest list, then src list. This assures
that the connection has been established when disconnecting, and also
the concurrent deletion can be avoided.
Reported-and-tested-by: folkert <folkert@vanheusden.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210801182754.GP890690@belle.intranet.vanheusden.com
Link: https://lore.kernel.org/r/20210803114312.2536-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
In the unlikely event that pci_register_device() fails, we were tearing
down our PMU setup but not globals. This leaves a bunch of memory slabs
lying around.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Fixes: 32eb6bcfdd ("drm/i915: Make request allocation caches global")
[danvet: Fix conflicts against removal of the globals_flush
infrastructure.]
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210721152358.2893314-3-jason@jlekstrand.net
(cherry picked from commit db484889d1)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[Fixed small conflict while cherry picking]
The register offset for SFC_DONE was missing a '0' at the end, causing
us to read from a non-existent register address. We only use this
register in error state dumps so the mistake hasn't caused any real
problems, but fixing it will hopefully make the error state dumps a bit
more useful for debugging.
Fixes: e50dbdbfd9 ("drm/i915/tgl: Add SFC instdone to error state")
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210728233411.2365788-1-matthew.d.roper@intel.com
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
(cherry picked from commit 82929a2140)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
I saw the build failure that was fixed in commit 6387f65e2a ("net:
sparx5: fix compiletime_assert for GCC 4.9") and noticed another
issue that was introduced in the same patch: Using GENMASK() to
create a 64-bit mask does not work on 32-bit architectures.
This probably won't ever happen on this driver since it's specific
to a 64-bit SoC, but it's better to write it portably, so use
GENMASK_ULL() instead.
Fixes: f3cad2611a ("net: sparx5: add hostmode with phylink support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 58acd10092 ("sctp: update active_key for asoc when old key is
being replaced"), sctp_auth_asoc_init_active_key() is called to update
the active_key right after the old key is deleted and before the new key
is added, and it caused that the active_key could be found with the key_id.
In Ying Xu's testing, the BUG_ON in sctp_auth_asoc_init_active_key() was
triggered:
[ ] kernel BUG at net/sctp/auth.c:416!
[ ] RIP: 0010:sctp_auth_asoc_init_active_key.part.8+0xe7/0xf0 [sctp]
[ ] Call Trace:
[ ] sctp_auth_set_key+0x16d/0x1b0 [sctp]
[ ] sctp_setsockopt.part.33+0x1ba9/0x2bd0 [sctp]
[ ] __sys_setsockopt+0xd6/0x1d0
[ ] __x64_sys_setsockopt+0x20/0x30
[ ] do_syscall_64+0x5b/0x1a0
So fix it by moving the active_key update after sh_keys is added.
Fixes: 58acd10092 ("sctp: update active_key for asoc when old key is being replaced")
Reported-by: Ying Xu <yinxu@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Check that #UD is raised if bit 16 is clear in
HYPERV_CPUID_FEATURES.EDX and an 'XMM fast' hypercall is issued.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Siddharth Chandrasekaran <sidcha@amazon.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210730122625.112848-5-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
TLFS states that "Availability of the XMM fast hypercall interface is
indicated via the “Hypervisor Feature Identification” CPUID Leaf
(0x40000003, see section 2.4.4) ... Any attempt to use this interface
when the hypervisor does not indicate availability will result in a #UD
fault."
Implement the check for 'strict' mode (KVM_CAP_HYPERV_ENFORCE_CPUID).
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Siddharth Chandrasekaran <sidcha@amazon.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210730122625.112848-4-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Hypercall failures are unusual with potentially far going consequences
so it would be useful to see their results when tracing.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Siddharth Chandrasekaran <sidcha@amazon.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210730122625.112848-3-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In case guest doesn't have access to the particular hypercall we can avoid
reading XMM registers.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Siddharth Chandrasekaran <sidcha@amazon.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210730122625.112848-2-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When the function_graph tracer is in use, arch_stack_walk() may unwind
the stack incorrectly, erroneously reporting itself, missing the final
entry which is being traced, and reporting all traced entries between
these off-by-one from where they should be.
When ftrace hooks a function return, the original return address is
saved to the fgraph ret_stack, and the return address in the LR (or the
function's frame record) is replaced with `return_to_handler`.
When arm64's unwinder encounter frames returning to `return_to_handler`,
it finds the associated original return address from the fgraph ret
stack, assuming the most recent `ret_to_hander` entry on the stack
corresponds to the most recent entry in the fgraph ret stack, and so on.
When arch_stack_walk() is used to dump the current task's stack, it
starts from the caller of arch_stack_walk(). However, arch_stack_walk()
can be traced, and so may push an entry on to the fgraph ret stack,
leaving the fgraph ret stack offset by one from the expected position.
This can be seen when dumping the stack via /proc/self/stack, where
enabling the graph tracer results in an unexpected
`stack_trace_save_tsk` entry at the start of the trace, and `el0_svc`
missing form the end of the trace.
This patch fixes this by marking arch_stack_walk() as notrace, as we do
for all other functions on the path to ftrace_graph_get_ret_stack().
While a few helper functions are not marked notrace, their calls/returns
are balanced, and will have no observable effect when examining the
fgraph ret stack.
It is possible for an exeption boundary to cause a similar offset if the
return address of the interrupted context was in the LR. Fixing those
cases will require some more substantial rework, and is left for
subsequent patches.
Before:
| # cat /proc/self/stack
| [<0>] proc_pid_stack+0xc4/0x140
| [<0>] proc_single_show+0x6c/0x120
| [<0>] seq_read_iter+0x240/0x4e0
| [<0>] seq_read+0xe8/0x140
| [<0>] vfs_read+0xb8/0x1e4
| [<0>] ksys_read+0x74/0x100
| [<0>] __arm64_sys_read+0x28/0x3c
| [<0>] invoke_syscall+0x50/0x120
| [<0>] el0_svc_common.constprop.0+0xc4/0xd4
| [<0>] do_el0_svc+0x30/0x9c
| [<0>] el0_svc+0x2c/0x54
| [<0>] el0t_64_sync_handler+0x1a8/0x1b0
| [<0>] el0t_64_sync+0x198/0x19c
| # echo function_graph > /sys/kernel/tracing/current_tracer
| # cat /proc/self/stack
| [<0>] stack_trace_save_tsk+0xa4/0x110
| [<0>] proc_pid_stack+0xc4/0x140
| [<0>] proc_single_show+0x6c/0x120
| [<0>] seq_read_iter+0x240/0x4e0
| [<0>] seq_read+0xe8/0x140
| [<0>] vfs_read+0xb8/0x1e4
| [<0>] ksys_read+0x74/0x100
| [<0>] __arm64_sys_read+0x28/0x3c
| [<0>] invoke_syscall+0x50/0x120
| [<0>] el0_svc_common.constprop.0+0xc4/0xd4
| [<0>] do_el0_svc+0x30/0x9c
| [<0>] el0t_64_sync_handler+0x1a8/0x1b0
| [<0>] el0t_64_sync+0x198/0x19c
After:
| # cat /proc/self/stack
| [<0>] proc_pid_stack+0xc4/0x140
| [<0>] proc_single_show+0x6c/0x120
| [<0>] seq_read_iter+0x240/0x4e0
| [<0>] seq_read+0xe8/0x140
| [<0>] vfs_read+0xb8/0x1e4
| [<0>] ksys_read+0x74/0x100
| [<0>] __arm64_sys_read+0x28/0x3c
| [<0>] invoke_syscall+0x50/0x120
| [<0>] el0_svc_common.constprop.0+0xc4/0xd4
| [<0>] do_el0_svc+0x30/0x9c
| [<0>] el0_svc+0x2c/0x54
| [<0>] el0t_64_sync_handler+0x1a8/0x1b0
| [<0>] el0t_64_sync+0x198/0x19c
| # echo function_graph > /sys/kernel/tracing/current_tracer
| # cat /proc/self/stack
| [<0>] proc_pid_stack+0xc4/0x140
| [<0>] proc_single_show+0x6c/0x120
| [<0>] seq_read_iter+0x240/0x4e0
| [<0>] seq_read+0xe8/0x140
| [<0>] vfs_read+0xb8/0x1e4
| [<0>] ksys_read+0x74/0x100
| [<0>] __arm64_sys_read+0x28/0x3c
| [<0>] invoke_syscall+0x50/0x120
| [<0>] el0_svc_common.constprop.0+0xc4/0xd4
| [<0>] do_el0_svc+0x30/0x9c
| [<0>] el0_svc+0x2c/0x54
| [<0>] el0t_64_sync_handler+0x1a8/0x1b0
| [<0>] el0t_64_sync+0x198/0x19c
Cc: <stable@vger.kernel.org>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Madhavan T. Venkataraman <madvenka@linux.microsoft.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Will Deacon <will@kernel.org>
Reviwed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210802164845.45506-3-mark.rutland@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Due to a copy-paste error, we describe struct stackframe::pc as a
snapshot of the `fp` field rather than the `lr` field.
Fix the comment.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Madhavan T. Venkataraman <madvenka@linux.microsoft.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210802164845.45506-2-mark.rutland@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Obviously kaslr is setting the module region to 2GB rather than 4GB since
commit b2eed9b588 ("arm64/kernel: kaslr: reduce module randomization
range to 2 GB"). So fix the size of region in Kconfig.
On the other hand, even though RANDOMIZE_MODULE_REGION_FULL is not set,
module_alloc() can fall back to a 2GB window if ARM64_MODULE_PLTS is set.
In this case, veneers are still needed. !RANDOMIZE_MODULE_REGION_FULL
doesn't necessarily mean veneers are not needed.
So fix the doc to be more precise to avoid any confusion to the readers
of the code.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Cc: Qi Liu <liuqi115@huawei.com>
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20210730125131.13724-1-song.bao.hua@hisilicon.com
Signed-off-by: Will Deacon <will@kernel.org>
Commit 987fdfec24 ("arm64: move --fix-cortex-a53-843419 linker test to
Kconfig") fixed the false-positive warning in the installation step.
Yet, there are some cases where this false-positive is shown. For example,
you can see it when you cross 987fdfec24 during git-bisect.
$ git checkout 987fdfec24^
[ snip ]
$ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- defconfig all
[ snip ]
$ git checkout v5.13
[ snip]
$ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- defconfig all
[ snip ]
arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
In the stale include/config/auto.config, CONFIG_ARM64_ERRATUM_843419=y
is set without CONFIG_ARM64_LD_HAS_FIX_ERRATUM_843419, so the warning
is displayed while parsing the Makefiles.
Make will restart with the updated include/config/auto.config, hence
CONFIG_ARM64_LD_HAS_FIX_ERRATUM_843419 will be set eventually, but
this warning is a surprise for users.
Commit 25896d073d ("x86/build: Fix compiler support check for
CONFIG_RETPOLINE") addressed a similar issue.
Move $(warning ...) out of the parse stage of Makefiles.
The same applies to CONFIG_ARM64_USE_LSE_ATOMICS.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20210801053525.105235-1-masahiroy@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Due to inconsistencies in the way we manipulate compat GPRs, we have a
few issues today:
* For audit and tracing, where error codes are handled as a (native)
long, negative error codes are expected to be sign-extended to the
native 64-bits, or they may fail to be matched correctly. Thus a
syscall which fails with an error may erroneously be identified as
failing.
* For ptrace, *all* compat return values should be sign-extended for
consistency with 32-bit arm, but we currently only do this for
negative return codes.
* As we may transiently set the upper 32 bits of some compat GPRs while
in the kernel, these can be sampled by perf, which is somewhat
confusing. This means that where a syscall returns a pointer above 2G,
this will be sign-extended, but will not be mistaken for an error as
error codes are constrained to the inclusive range [-4096, -1] where
no user pointer can exist.
To fix all of these, we must consistently use helpers to get/set the
compat GPRs, ensuring that we never write the upper 32 bits of the
return code, and always sign-extend when reading the return code. This
patch does so, with the following changes:
* We re-organise syscall_get_return_value() to always sign-extend for
compat tasks, and reimplement syscall_get_error() atop. We update
syscall_trace_exit() to use syscall_get_return_value().
* We consistently use syscall_set_return_value() to set the return
value, ensureing the upper 32 bits are never set unexpectedly.
* As the core audit code currently uses regs_return_value() rather than
syscall_get_return_value(), we special-case this for
compat_user_mode(regs) such that this will do the right thing. Going
forward, we should try to move the core audit code over to
syscall_get_return_value().
Cc: <stable@vger.kernel.org>
Reported-by: He Zhe <zhe.he@windriver.com>
Reported-by: weiyuchen <weiyuchen3@huawei.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20210802104200.21390-1-mark.rutland@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Sparse reports a compile time warning when dereferencing an
__iomem pointer:
drivers/soc/ixp4xx/ixp4xx-qmgr.c:149:37: warning: dereference of noderef expression
drivers/soc/ixp4xx/ixp4xx-qmgr.c:153:40: warning: dereference of noderef expression
drivers/soc/ixp4xx/ixp4xx-qmgr.c:154:40: warning: dereference of noderef expression
drivers/soc/ixp4xx/ixp4xx-qmgr.c:174:38: warning: dereference of noderef expression
drivers/soc/ixp4xx/ixp4xx-qmgr.c:174:44: warning: dereference of noderef expression
Use __raw_readl() here for consistency with the rest of the file.
This should really get converted to some proper accessor, as the
__raw functions are not meant to be used in drivers, but the driver
has used these since the start, so for the moment, let's only fix
the warning.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: d4c9e9fc97 ("IXP42x: Add QMgr support for IXP425 rev. A0 processors.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
When compile-testing with 64-bit resource_size_t, gcc reports an invalid
printk format string:
In file included from include/linux/dma-mapping.h:7,
from drivers/soc/ixp4xx/ixp4xx-npe.c:15:
drivers/soc/ixp4xx/ixp4xx-npe.c: In function 'ixp4xx_npe_probe':
drivers/soc/ixp4xx/ixp4xx-npe.c:694:18: error: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' {aka 'long long unsigned int'} [-Werror=format=]
dev_info(dev, "NPE%d at 0x%08x-0x%08x not available\n",
Use the special %pR format string to print the resources.
Fixes: 0b458d7b10 ("soc: ixp4xx: npe: Pass addresses as resources")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
On arm64, the stub only moves the kernel image around in memory if
needed, which is typically only for KASLR, given that relocatable
kernels (which is the default) can run from any 64k aligned address,
which is also the minimum alignment communicated to EFI via the PE/COFF
header.
Unfortunately, some loaders appear to ignore this header, and load the
kernel at some arbitrary offset in memory. We can deal with this, but
let's check for this condition anyway, so non-compliant code can be
spotted and fixed.
Cc: <stable@vger.kernel.org> # v5.10+
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Randomization of the physical load address of the kernel image relies on
efi_random_alloc() returning successfully, and currently, we ignore any
failures and just carry on, using the ordinary, non-randomized page
allocator routine. This means we never find out if a failure occurs,
which could harm security, so let's at least warn about this condition.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Commit 82046702e2 ("efi/libstub/arm64: Replace 'preferred' offset with
alignment check") simplified the way the stub moves the kernel image
around in memory before booting it, given that a relocatable image does
not need to be copied to a 2M aligned offset if it was loaded on a 64k
boundary by EFI.
Commit d32de9130f ("efi/arm64: libstub: Deal gracefully with
EFI_RNG_PROTOCOL failure") inadvertently defeated this logic by
overriding the value of efi_nokaslr if EFI_RNG_PROTOCOL is not
available, which was mistaken by the loader logic as an explicit request
on the part of the user to disable KASLR and any associated relocation
of an Image not loaded on a 2M boundary.
So let's reinstate this functionality, by capturing the value of
efi_nokaslr at function entry to choose the minimum alignment.
Fixes: d32de9130f ("efi/arm64: libstub: Deal gracefully with EFI_RNG_PROTOCOL failure")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Distro versions of GRUB replace the usual LoadImage/StartImage calls
used to load the kernel image with some local code that fails to honor
the allocation requirements described in the PE/COFF header, as it
does not account for the image's BSS section at all: it fails to
allocate space for it, and fails to zero initialize it.
Since the EFI stub itself is allocated in the .init segment, which is
in the middle of the image, its BSS section is not impacted by this,
and the main consequence of this omission is that the BSS section may
overlap with memory regions that are already used by the firmware.
So let's warn about this condition, and force image reallocation to
occur in this case, which works around the problem.
Fixes: 82046702e2 ("efi/libstub/arm64: Replace 'preferred' offset with alignment check")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Checking that two values don't have common bits makes no sense,
strict equality is meant.
Fixes: f3b433e469 ("ASoC: SOF: Implement Probe IPC API")
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210802151749.15417-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The previous Kconfig cleanup added simplifications but also introduced
a new one by moving a boolean to a tristate. This leads to randconfig
problems.
This patch moves the select operations in the SOUNDWIRE_LINK_BASELINE
option. The INTEL_SOUNDWIRE config remains a tristate for backwards
compatibility with older configurations but is essentially an on/off
switch.
Fixes: cf5807f5f8 ('ASoC: SOF: Intel: SoundWire: simplify Kconfig')
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210802151628.15291-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Currently it is possible to add broken extern_learn FDB entries to the
bridge in two ways:
1. Entries pointing towards the bridge device that are not local/permanent:
ip link add br0 type bridge
bridge fdb add 00:01:02:03:04:05 dev br0 self extern_learn static
2. Entries pointing towards the bridge device or towards a port that
are marked as local/permanent, however the bridge does not process the
'permanent' bit in any way, therefore they are recorded as though they
aren't permanent:
ip link add br0 type bridge
bridge fdb add 00:01:02:03:04:05 dev br0 self extern_learn permanent
Since commit 52e4bec155 ("net: bridge: switchdev: treat local FDBs the
same as entries towards the bridge"), these incorrect FDB entries can
even trigger NULL pointer dereferences inside the kernel.
This is because that commit made the assumption that all FDB entries
that are not local/permanent have a valid destination port. For context,
local / permanent FDB entries either have fdb->dst == NULL, and these
point towards the bridge device and are therefore local and not to be
used for forwarding, or have fdb->dst == a net_bridge_port structure
(but are to be treated in the same way, i.e. not for forwarding).
That assumption _is_ correct as long as things are working correctly in
the bridge driver, i.e. we cannot logically have fdb->dst == NULL under
any circumstance for FDB entries that are not local. However, the
extern_learn code path where FDB entries are managed by a user space
controller show that it is possible for the bridge kernel driver to
misinterpret the NUD flags of an entry transmitted by user space, and
end up having fdb->dst == NULL while not being a local entry. This is
invalid and should be rejected.
Before, the two commands listed above both crashed the kernel in this
check from br_switchdev_fdb_notify:
struct net_device *dev = info.is_local ? br->dev : dst->dev;
info.is_local == false, dst == NULL.
After this patch, the invalid entry added by the first command is
rejected:
ip link add br0 type bridge && bridge fdb add 00:01:02:03:04:05 dev br0 self extern_learn static; ip link del br0
Error: bridge: FDB entry towards bridge must be permanent.
and the valid entry added by the second command is properly treated as a
local address and does not crash br_switchdev_fdb_notify anymore:
ip link add br0 type bridge && bridge fdb add 00:01:02:03:04:05 dev br0 self extern_learn permanent; ip link del br0
Fixes: eb100e0e24 ("net: bridge: allow to add externally learned entries from user-space")
Reported-by: syzbot+9ba1174359adba5a5b7c@syzkaller.appspotmail.com
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Link: https://lore.kernel.org/r/20210801231730.7493-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Register accesses are always 4bytes, accidently this was changed to
a void pointer whwqich badly breaks 64bit archs when running on top
of svga3.
Fixes: 2cd80dbd35 ("drm/vmwgfx: Add basic support for SVGA3")
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Martin Krastev <krastevm@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210615182336.995192-3-zackr@vmware.com
(cherry picked from commit 87360168759879d68550b0c052bbcc2a0339ff74)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Kajol's fix adds a missing pmu_migrate_context() call which presents a
problem if the CPU collecting FME PMU data is taken offline.
All patches have been reviewed on the mailing list, and have been in the
last few linux-next releases (as part of my fixes branch) without issues.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
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Merge tag 'fpga-fixes-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-linus
Moritz writes:
FPGA Manager fix for 5.14
Kajol's fix adds a missing pmu_migrate_context() call which presents a
problem if the CPU collecting FME PMU data is taken offline.
All patches have been reviewed on the mailing list, and have been in the
last few linux-next releases (as part of my fixes branch) without issues.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-fixes-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: dfl: fme: Fix cpu hotplug issue in performance reporting
An earlier patch removed setting of tot_len in IPv4 headers because it was
also set in ip_local_out. However, this change resulted in an incorrect
ICRC being computed because the tot_len field is not masked out. This
patch restores that line. This fixes the bug reported by Zhu Yanjun. This
bug affects anyone using rxe which is currently broken.
Fixes: 230bb836ee ("RDMA/rxe: Fix redundant call to ip_send_check")
Link: https://lore.kernel.org/r/20210729220039.18549-3-rpearsonhpe@gmail.com
Reported-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Reviewed-and-tested-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The memcpy() that copies a WQE from a SRQ the QP uses an incorrect size.
The size should have been the size of the rxe_send_wqe struct not the size
of a pointer to it. The result is that IO operations using a SRQ on the
responder side will fail.
Fixes: ec0fa2445c ("RDMA/rxe: Fix over copying in get_srq_wqe")
Link: https://lore.kernel.org/r/20210729220039.18549-2-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The net/sunrpc/xprtrdma module creates its QP using rdma_create_qp() and
immediately post receives, implicitly assuming the QP is in the INIT state
and thus valid for ib_post_recv().
The patch noted in Fixes: removed the RESET->INIT modifiy from
rdma_create_qp(), breaking NFS rdma for verbs providers that fail the
ib_post_recv() for a bad state.
This situation was proven using kprobes in rvt_post_recv() and
rvt_modify_qp(). The traces showed that the rvt_post_recv() failed before
ANY modify QP and that the current state was RESET.
Fix by reverting the patch below.
Fixes: dc70f7c3ed ("RDMA/cma: Remove unnecessary INIT->INIT transition")
Link: https://lore.kernel.org/r/1627583182-81330-1-git-send-email-mike.marciniszyn@cornelisnetworks.com
Cc: Haakon Bugge <haakon.bugge@oracle.com>
Cc: Chuck Lever III <chuck.lever@oracle.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Fixing a typo that causes a cache entry to shrink immediately after adding
to it new MRs if the entry size exceeds the high limit. In doing so, the
cache misses its purpose to prevent the creation of new mkeys on the
runtime by using the cached ones.
Fixes: b9358bdbc7 ("RDMA/mlx5: Fix locking in MR cache work queue")
Link: https://lore.kernel.org/r/fcb546986be346684a016f5ca23a0567399145fa.1627370131.git.leonro@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The tqmx86 MFD driver was passing IRQ 0 for "no IRQ" in the past. This
causes warnings with newer kernels.
Prepare the gpio-tqmx86 driver for the fixed MFD driver by handling a
missing IRQ properly.
Fixes: b868db94a6 ("gpio: tqmx86: Add GPIO from for this IO controller")
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
If probe_device is failing, iommu_group is not initialized because
iommu_group_add_device is not reached, so freeing it will result
in NULL pointer access.
iommu_bus_init
->bus_iommu_probe
->probe_iommu_group in for each:/* return -22 in fail case */
->iommu_probe_device
->__iommu_probe_device /* return -22 here.*/
-> ops->probe_device /* return -22 here.*/
-> iommu_group_get_for_dev
-> ops->device_group
-> iommu_group_add_device //good case
->remove_iommu_group //in fail case, it will remove group
->iommu_release_device
->iommu_group_remove_device // here we don't have group
In my case ops->probe_device (mtk_iommu_probe_device from
mtk_iommu_v1.c) is due to failing fwspec->ops mismatch.
Fixes: d72e31c937 ("iommu: IOMMU Groups")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20210731074737.4573-1-linux@fw-web.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>
IF_OPER_TESTING is in fact used today.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stephen reports sparx5 broke GCC 4.9 build.
Move the compiletime_assert() out of the static function.
Compile-tested only, no object code changes.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: f3cad2611a ("net: sparx5: add hostmode with phylink support")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Replace pci_enable_device() with pcim_enable_device(),
pci_disable_device() and pci_release_regions() will be
called in release automatically.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The logic for discerning between KSZ8051 and KSZ87XX PHYs is incorrect
such that the that KSZ87XX switch is not identified correctly.
ksz8051_ksz8795_match_phy_device() uses the parameter ksz_phy_id
to discriminate whether it was called from ksz8051_match_phy_device()
or from ksz8795_match_phy_device() but since PHY_ID_KSZ87XX is the
same value as PHY_ID_KSZ8051, this doesn't work.
Instead use a bool to discriminate the caller.
Without this patch, the KSZ8795 switch port identifies as:
ksz8795-switch spi3.1 ade1 (uninitialized): PHY [dsa-0.1:03] driver [Generic PHY]
With the patch, it identifies correctly:
ksz8795-switch spi3.1 ade1 (uninitialized): PHY [dsa-0.1:03] driver [Micrel KSZ87XX Switch]
Fixes: 8b95599c55 ("net: phy: micrel: Discern KSZ8051 and KSZ8795 PHYs")
Signed-off-by: Steve Bennett <steveb@workware.net.au>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
It should not return 0 when SID 0 is assigned to isids.
This patch fixes it.
Cc: stable@vger.kernel.org
Fixes: e3e0b582c3 ("selinux: remove unused initial SIDs and improve handling")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
[PM: remove changelog from description]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Vladimir Oltean says:
====================
FDB fixes for NXP SJA1105
I have some upcoming patches that make heavy use of statically installed
FDB entries, and when testing them on SJA1105P/Q/R/S and SJA1110, it
became clear that these switches do not behave reliably at all.
- On SJA1110, a static FDB entry cannot be installed at all
- On SJA1105P/Q/R/S, it is very picky about the inner/outer VLAN type
- Dynamically learned entries will make us not install static ones, or
even if we do, they might not take effect
Patch 5/6 has a conflict with net-next (sorry), the commit message of
that patch describes how to deal with it. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
On SJA1105P/Q/R/S and SJA1110, the L2 Lookup Table entries contain a
maskable "inner/outer tag" bit which means:
- when set to 1: match single-outer and double tagged frames
- when set to 0: match untagged and single-inner tagged frames
- when masked off: match all frames regardless of the type of tag
This driver does not make any meaningful distinction between inner tags
(matches on TPID) and outer tags (matches on TPID2). In fact, all VLAN
table entries are installed as SJA1110_VLAN_D_TAG, which means that they
match on both inner and outer tags.
So it does not make sense that we install FDB entries with the IOTAG bit
set to 1.
In VLAN-unaware mode, we set both TPID and TPID2 to 0xdadb, so the
switch will see frames as outer-tagged or double-tagged (never inner).
So the FDB entries will match if IOTAG is set to 1.
In VLAN-aware mode, we set TPID to 0x8100 and TPID2 to 0x88a8. So the
switch will see untagged and 802.1Q-tagged packets as inner-tagged, and
802.1ad-tagged packets as outer-tagged. So untagged and 802.1Q-tagged
packets will not match FDB entries if IOTAG is set to 1, but 802.1ad
tagged packets will. Strange.
To fix this, simply mask off the IOTAG bit from FDB entries, and make
them match regardless of whether the VLAN tag is inner or outer.
Fixes: 1da7382134 ("net: dsa: sja1105: Add FDB operations for P/Q/R/S series")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
