The setup_profiling_timer() is mostly un-implemented by many
architectures. In many places it isn't guarded by CONFIG_PROFILE which is
needed for it to be used. Make it a weak symbol in kernel/profile.c and
remove the 'return -EINVAL' implementations from the kenrel.
There are a couple of architectures which do return 0 from the
setup_profiling_timer() function but they don't seem to do anything else
with it. To keep the /proc compatibility for now, leave these for a
future update or removal.
On ARM, this fixes the following sparse warning:
arch/arm/kernel/smp.c:793:5: warning: symbol 'setup_profiling_timer' was not declared. Should it be static?
Link: https://lkml.kernel.org/r/20220721195509.418205-1-ben-linux@fluff.org
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
A number of fixes have accumulated, but they are largely for
harmless issues:
- Several OF node leak fixes
- A fix to the Exynos7885 UART clock description
- DTS fixes to prevent boot failures on TI AM64 and J721s2
- Bus probe error handling fixes for Baikal-T1
- A fixup to the way STM32 SoCs use separate dts files for
different firmware stacks
- Multiple code fixes for Arm SCMI firmware, all dealing with
robustness of the implementation
- Multiple NXP i.MX devicetree fixes, addressing incorrect
data in DT nodes
- Three updates to the MAINTAINERS file, including Florian
Fainelli taking over BCM283x/BCM2711 (Raspberry Pi)
from Nicolas Saenz Julienne
-----BEGIN PGP SIGNATURE-----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=Js9H
-----END PGP SIGNATURE-----
Merge tag 'soc-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"A number of fixes have accumulated, but they are largely for harmless
issues:
- Several OF node leak fixes
- A fix to the Exynos7885 UART clock description
- DTS fixes to prevent boot failures on TI AM64 and J721s2
- Bus probe error handling fixes for Baikal-T1
- A fixup to the way STM32 SoCs use separate dts files for different
firmware stacks
- Multiple code fixes for Arm SCMI firmware, all dealing with
robustness of the implementation
- Multiple NXP i.MX devicetree fixes, addressing incorrect data in DT
nodes
- Three updates to the MAINTAINERS file, including Florian Fainelli
taking over BCM283x/BCM2711 (Raspberry Pi) from Nicolas Saenz
Julienne"
* tag 'soc-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits)
ARM: dts: aspeed: nuvia: rename vendor nuvia to qcom
arm: mach-spear: Add missing of_node_put() in time.c
ARM: cns3xxx: Fix refcount leak in cns3xxx_init
MAINTAINERS: Update email address
arm64: dts: ti: k3-am64-main: Remove support for HS400 speed mode
arm64: dts: ti: k3-j721s2: Fix overlapping GICD memory region
ARM: dts: bcm2711-rpi-400: Fix GPIO line names
bus: bt1-axi: Don't print error on -EPROBE_DEFER
bus: bt1-apb: Don't print error on -EPROBE_DEFER
ARM: Fix refcount leak in axxia_boot_secondary
ARM: dts: stm32: move SCMI related nodes in a dedicated file for stm32mp15
soc: imx: imx8m-blk-ctrl: fix display clock for LCDIF2 power domain
ARM: dts: imx6qdl-colibri: Fix capacitive touch reset polarity
ARM: dts: imx6qdl: correct PU regulator ramp delay
firmware: arm_scmi: Fix incorrect error propagation in scmi_voltage_descriptors_get
firmware: arm_scmi: Avoid using extended string-buffers sizes if not necessary
firmware: arm_scmi: Fix SENSOR_AXIS_NAME_GET behaviour when unsupported
ARM: dts: imx7: Move hsic_phy power domain to HSIC PHY node
soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe
MAINTAINERS: Update BCM2711/BCM2835 maintainer
...
* Fix a regression with pKVM when kmemleak is enabled
* Add Oliver Upton as an official KVM/arm64 reviewer
selftests:
* deal with compiler optimizations around hypervisor exits
x86:
* MAINTAINERS reorganization
* Two SEV fixes
-----BEGIN PGP SIGNATURE-----
iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmK1cjIUHHBib256aW5p
QHJlZGhhdC5jb20ACgkQv/vSX3jHroMayQf+JOOggLacjPPa/t/CE8kIcbX0IWc+
epEdq/f0qgxJlAjUB9YKgMr2Io9jPScyTdY8t6uS0WyZ7Q1NyAogXfds/dF4wElm
IMWWfLTSU3gzCmzPh8n6SfbWtRGJKsOukK0cDIIh86h5YnXDmeyVjJrDvEVQOnzG
TjHOKYuFXGPj8/NKwcrxqBFHK9DBNxn9b/UBRArG+5AZM0mx3Jl8LJMYUDEIyAyO
yhNfTh7gPPidEiJLkFDyHWKg5rhO3fbn8UrncY+eTmSBqMHvvY0+eka6urwihN0v
ExmKqy00ES51c/6r+zqsqYICqVSqiaNNWF4lp1HTp7LrUBtxyZAqnkBbHQ==
=U2ol
-----END PGP SIGNATURE-----
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM64:
- Fix a regression with pKVM when kmemleak is enabled
- Add Oliver Upton as an official KVM/arm64 reviewer
selftests:
- deal with compiler optimizations around hypervisor exits
x86:
- MAINTAINERS reorganization
- Two SEV fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SEV: Init target VMCBs in sev_migrate_from
KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user()
MAINTAINERS: Reorganize KVM/x86 maintainership
selftests: KVM: Handle compiler optimizations in ucall
KVM: arm64: Add Oliver as a reviewer
KVM: arm64: Prevent kmemleak from accessing pKVM memory
tools/kvm_stat: fix display of error when multiple processes are found
Both fixes are for issues present before v5.19 merge window:
1. Correct UART clocks on Exynos7885. Although the initial, fixed
DTS commit is from v5.18, the issue will be exposed with a upcoming fix
to Exynos7885 clock driver, so we need to correct the DTS earlier.
2. Fix theoretical OF node leak in Exynos machine code.
-----BEGIN PGP SIGNATURE-----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=gDkB
-----END PGP SIGNATURE-----
gpgsig -----BEGIN PGP SIGNATURE-----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=h/OV
-----END PGP SIGNATURE-----
Merge tag 'samsung-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/fixes
Samsung fixes for v5.19
Both fixes are for issues present before v5.19 merge window:
1. Correct UART clocks on Exynos7885. Although the initial, fixed
DTS commit is from v5.18, the issue will be exposed with a upcoming fix
to Exynos7885 clock driver, so we need to correct the DTS earlier.
2. Fix theoretical OF node leak in Exynos machine code.
* tag 'samsung-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: exynos: Fix refcount leak in exynos_map_pmu
arm64: dts: exynos: Correct UART clocks on Exynos7885
Link: https://lore.kernel.org/r/20220624080423.31427-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix a regression with pKVM when kmemleak is enabled
- Add Oliver Upton as an official KVM/arm64 reviewer
-----BEGIN PGP SIGNATURE-----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=iY8+
-----END PGP SIGNATURE-----
Merge tag 'kvmarm-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.19, take #2
- Fix a regression with pKVM when kmemleak is enabled
- Add Oliver Upton as an official KVM/arm64 reviewer
GICD region was overlapping with GICR causing the latter to not map
successfully, and in turn the gic-v3 driver would fail to initialize.
This issue was hidden till commit 2b2cd74a06 ("irqchip/gic-v3: Claim
iomem resources") replaced of_iomap() calls with of_io_request_and_map()
that internally called request_mem_region().
Respective console output before this patchset:
[ 0.000000] GICv3: /bus@100000/interrupt-controller@1800000: couldn't map region 0
Fixes: b8545f9d3a ("arm64: dts: ti: Add initial support for J721S2 SoC")
Cc: linux-stable@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Matt Ranostay <mranostay@ti.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20220617151304.446607-1-mranostay@ti.com
- Revert the moving of the jump labels initialisation before
setup_machine_fdt(). The bug was fixed in drivers/char/random.c.
- Ftrace fixes: branch range check and consistent handling of PLTs.
- Clean rather than invalidate FROM_DEVICE buffers at start of DMA
transfer (safer if such buffer is mapped in user space). A cache
invalidation is done already at the end of the transfer.
- A couple of clean-ups (unexport symbol, remove unused label).
-----BEGIN PGP SIGNATURE-----
iQIzBAABCgAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAmKsyL0ACgkQa9axLQDI
XvGf8hAAo1t9uB+zOzZQePwtSHaj3Tx8PevvCJwoy6dlSYwuSp0y4V8pj0ITw7Ml
OLRJI7ctFXlR/LMZ/oU3Oa8wFWhHEgAMqB8ySuMKyXCwZ76sLsZVZpBE9g87nDaO
utcpig9Br4IZF4rvIYkLBQ2E2io8cDu76eJECpCpR0Gz7kvQQK6APJ0YQGlfqyfV
n9D/1P22chDFRdFb8GCR10mF0oBpgguqILM5TqoFDHGRSg3nrti0ylI04W8tKwJF
kZqkfjLEZkgnTFh84xN1MZw8cbqY4OczW+D17Lv8jpPRsE5CbRpE9B0qAhGLjpCR
cBYptJz0pwLexzZ2Jay5mepaG7xrn4ims2LkHQdGP6Y1xRCAtrxWAW4633vCWEGN
dNf1sAQnTHgNm79i2invP4D+q+SvCr1yn/aNkWkIphLVbFMpKj3lLtW0ydizHLC7
jYmfx6r0JIrXA8p4FrNuxIWQbyrHqzgEUHUZuprD7oiR7AJNFpD2ZhIg0DFvDNMY
nPnD/dJSaUmxa8kLtFPuF3UAV+RwVuVAqMsZD4Q/kZDSJLPjPkF8W7nRQ0f5EpfH
KgdbsteQmWx2FyFYCXlztk2SSXiN40xmaOC7xWxBMCQwSvQSEepl+lkonOAc2IT6
1KdrvfUU9gJ8QAY1/dh31pVZrP+EF0hcIOIPV0DgqkV/A/stheE=
=Q14k
-----END PGP SIGNATURE-----
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Revert the moving of the jump labels initialisation before
setup_machine_fdt(). The bug was fixed in drivers/char/random.c.
- Ftrace fixes: branch range check and consistent handling of PLTs.
- Clean rather than invalidate FROM_DEVICE buffers at start of DMA
transfer (safer if such buffer is mapped in user space). A cache
invalidation is done already at the end of the transfer.
- A couple of clean-ups (unexport symbol, remove unused label).
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer
arm64/cpufeature: Unexport set_cpu_feature()
arm64: ftrace: remove redundant label
arm64: ftrace: consistently handle PLTs.
arm64: ftrace: fix branch range checks
Revert "arm64: Initialize jump labels before setup_machine_fdt()"
Invalidating the buffer memory in arch_sync_dma_for_device() for
FROM_DEVICE transfers
When using the streaming DMA API to map a buffer prior to inbound
non-coherent DMA (i.e. DMA_FROM_DEVICE), we invalidate any dirty CPU
cachelines so that they will not be written back during the transfer and
corrupt the buffer contents written by the DMA. This, however, poses two
potential problems:
(1) If the DMA transfer does not write to every byte in the buffer,
then the unwritten bytes will contain stale data once the transfer
has completed.
(2) If the buffer has a virtual alias in userspace, then stale data
may be visible via this alias during the period between performing
the cache invalidation and the DMA writes landing in memory.
Address both of these issues by cleaning (aka writing-back) the dirty
lines in arch_sync_dma_for_device(DMA_FROM_DEVICE) instead of discarding
them using invalidation.
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220606152150.GA31568@willie-the-truck
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220610151228.4562-2-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
We currently export set_cpu_feature() to modules but there are no in tree
users that can be built as modules and it is hard to see cases where it
would make sense for there to be any such users. Remove the export to avoid
anyone else having to worry about why it is there and ensure that any users
that do get added get a bit more visiblity.
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220615191504.626604-1-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Since commit:
c4a0ebf87c ("arm64/ftrace: Make function graph use ftrace directly")
The 'ftrace_common_return' label has been unused.
Remove it.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Chengming Zhou <zhouchengming@bytedance.com>
Cc: Will Deacon <will@kernel.org>
Tested-by: "Ivan T. Ivanov" <iivanov@suse.de>
Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220614080944.1349146-4-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Sometimes it is necessary to use a PLT entry to call an ftrace
trampoline. This is handled by ftrace_make_call() and ftrace_make_nop(),
with each having *almost* identical logic, but this is not handled by
ftrace_modify_call() since its introduction in commit:
3b23e4991f ("arm64: implement ftrace with regs")
Due to this, if we ever were to call ftrace_modify_call() for a callsite
which requires a PLT entry for a trampoline, then either:
a) If the old addr requires a trampoline, ftrace_modify_call() will use
an out-of-range address to generate the 'old' branch instruction.
This will result in warnings from aarch64_insn_gen_branch_imm() and
ftrace_modify_code(), and no instructions will be modified. As
ftrace_modify_call() will return an error, this will result in
subsequent internal ftrace errors.
b) If the old addr does not require a trampoline, but the new addr does,
ftrace_modify_call() will use an out-of-range address to generate the
'new' branch instruction. This will result in warnings from
aarch64_insn_gen_branch_imm(), and ftrace_modify_code() will replace
the 'old' branch with a BRK. This will result in a kernel panic when
this BRK is later executed.
Practically speaking, case (a) is vastly more likely than case (b), and
typically this will result in internal ftrace errors that don't
necessarily affect the rest of the system. This can be demonstrated with
an out-of-tree test module which triggers ftrace_modify_call(), e.g.
| # insmod test_ftrace.ko
| test_ftrace: Function test_function raw=0xffffb3749399201c, callsite=0xffffb37493992024
| branch_imm_common: offset out of range
| branch_imm_common: offset out of range
| ------------[ ftrace bug ]------------
| ftrace failed to modify
| [<ffffb37493992024>] test_function+0x8/0x38 [test_ftrace]
| actual: 1d:00:00:94
| Updating ftrace call site to call a different ftrace function
| ftrace record flags: e0000002
| (2) R
| expected tramp: ffffb374ae42ed54
| ------------[ cut here ]------------
| WARNING: CPU: 0 PID: 165 at kernel/trace/ftrace.c:2085 ftrace_bug+0x280/0x2b0
| Modules linked in: test_ftrace(+)
| CPU: 0 PID: 165 Comm: insmod Not tainted 5.19.0-rc2-00002-g4d9ead8b45ce #13
| Hardware name: linux,dummy-virt (DT)
| pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
| pc : ftrace_bug+0x280/0x2b0
| lr : ftrace_bug+0x280/0x2b0
| sp : ffff80000839ba00
| x29: ffff80000839ba00 x28: 0000000000000000 x27: ffff80000839bcf0
| x26: ffffb37493994180 x25: ffffb374b0991c28 x24: ffffb374b0d70000
| x23: 00000000ffffffea x22: ffffb374afcc33b0 x21: ffffb374b08f9cc8
| x20: ffff572b8462c000 x19: ffffb374b08f9000 x18: ffffffffffffffff
| x17: 6c6c6163202c6331 x16: ffffb374ae5ad110 x15: ffffb374b0d51ee4
| x14: 0000000000000000 x13: 3435646532346561 x12: 3437336266666666
| x11: 203a706d61727420 x10: 6465746365707865 x9 : ffffb374ae5149e8
| x8 : 336266666666203a x7 : 706d617274206465 x6 : 00000000fffff167
| x5 : ffff572bffbc4a08 x4 : 00000000fffff167 x3 : 0000000000000000
| x2 : 0000000000000000 x1 : ffff572b84461e00 x0 : 0000000000000022
| Call trace:
| ftrace_bug+0x280/0x2b0
| ftrace_replace_code+0x98/0xa0
| ftrace_modify_all_code+0xe0/0x144
| arch_ftrace_update_code+0x14/0x20
| ftrace_startup+0xf8/0x1b0
| register_ftrace_function+0x38/0x90
| test_ftrace_init+0xd0/0x1000 [test_ftrace]
| do_one_initcall+0x50/0x2b0
| do_init_module+0x50/0x1f0
| load_module+0x17c8/0x1d64
| __do_sys_finit_module+0xa8/0x100
| __arm64_sys_finit_module+0x2c/0x3c
| invoke_syscall+0x50/0x120
| el0_svc_common.constprop.0+0xdc/0x100
| do_el0_svc+0x3c/0xd0
| el0_svc+0x34/0xb0
| el0t_64_sync_handler+0xbc/0x140
| el0t_64_sync+0x18c/0x190
| ---[ end trace 0000000000000000 ]---
We can solve this by consistently determining whether to use a PLT entry
for an address.
Note that since (the earlier) commit:
f1a54ae9af ("arm64: module/ftrace: intialize PLT at load time")
... we can consistently determine the PLT address that a given callsite
will use, and therefore ftrace_make_nop() does not need to skip
validation when a PLT is in use.
This patch factors the existing logic out of ftrace_make_call() and
ftrace_make_nop() into a common ftrace_find_callable_addr() helper
function, which is used by ftrace_make_call(), ftrace_make_nop(), and
ftrace_modify_call(). In ftrace_make_nop() the patching is consistently
validated by ftrace_modify_code() as we can always determine what the
old instruction should have been.
Fixes: 3b23e4991f ("arm64: implement ftrace with regs")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Tested-by: "Ivan T. Ivanov" <iivanov@suse.de>
Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220614080944.1349146-3-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The branch range checks in ftrace_make_call() and ftrace_make_nop() are
incorrect, erroneously permitting a forwards branch of 128M and
erroneously rejecting a backwards branch of 128M.
This is because both functions calculate the offset backwards,
calculating the offset *from* the target *to* the branch, rather than
the other way around as the later comparisons expect.
If an out-of-range branch were erroeously permitted, this would later be
rejected by aarch64_insn_gen_branch_imm() as branch_imm_common() checks
the bounds correctly, resulting in warnings and the placement of a BRK
instruction. Note that this can only happen for a forwards branch of
exactly 128M, and so the caller would need to be exactly 128M bytes
below the relevant ftrace trampoline.
If an in-range branch were erroeously rejected, then:
* For modules when CONFIG_ARM64_MODULE_PLTS=y, this would result in the
use of a PLT entry, which is benign.
Note that this is the common case, as this is selected by
CONFIG_RANDOMIZE_BASE (and therefore RANDOMIZE_MODULE_REGION_FULL),
which distributions typically seelct. This is also selected by
CONFIG_ARM64_ERRATUM_843419.
* For modules when CONFIG_ARM64_MODULE_PLTS=n, this would result in
internal ftrace failures.
* For core kernel text, this would result in internal ftrace failues.
Note that for this to happen, the kernel text would need to be at
least 128M bytes in size, and typical configurations are smaller tha
this.
Fix this by calculating the offset *from* the branch *to* the target in
both functions.
Fixes: f8af0b364e ("arm64: ftrace: don't validate branch via PLT in ftrace_make_nop()")
Fixes: e71a4e1beb ("arm64: ftrace: add support for far branches to dynamic ftrace")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Tested-by: "Ivan T. Ivanov" <iivanov@suse.de>
Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220614080944.1349146-2-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This reverts commit 73e2d827a5.
The reverted patch was needed as a fix after commit f5bda35fba
("random: use static branch for crng_ready()"). However, this was
already fixed by 60e5b2886b ("random: do not use jump labels before
they are initialized") and hence no longer necessary to initialise jump
labels before setup_machine_fdt().
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
* Properly reset the SVE/SME flags on vcpu load
* Fix a vgic-v2 regression regarding accessing the pending
state of a HW interrupt from userspace (and make the code
common with vgic-v3)
* Fix access to the idreg range for protected guests
* Ignore 'kvm-arm.mode=protected' when using VHE
* Return an error from kvm_arch_init_vm() on allocation failure
* A bunch of small cleanups (comments, annotations, indentation)
RISC-V:
* Typo fix in arch/riscv/kvm/vmid.c
* Remove broken reference pattern from MAINTAINERS entry
x86-64:
* Fix error in page tables with MKTME enabled
* Dirty page tracking performance test extended to running a nested
guest
* Disable APICv/AVIC in cases that it cannot implement correctly
-----BEGIN PGP SIGNATURE-----
iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmKjTIAUHHBib256aW5p
QHJlZGhhdC5jb20ACgkQv/vSX3jHroNhPQgAiIVtp8aepujUM/NhkNyK3SIdLzlS
oZCZiS6bvaecKXi/QvhBU0EBxAEyrovk3lmVuYNd41xI+PDjyaA4SDIl5DnToGUw
bVPNFSYqjpF939vUUKjc0RCdZR4o5g3Od3tvWoHTHviS1a8aAe5o9pcpHpD0D6Mp
Gc/o58nKAOPl3htcFKmjymqo3Y6yvkJU9NB7DCbL8T5mp5pJ959Mw1/LlmBaAzJC
OofrynUm4NjMyAj/mAB1FhHKFyQfjBXLhiVlS0SLiiEA/tn9/OXyVFMKG+n5VkAZ
Q337GMFe2RikEIuMEr3Rc4qbZK3PpxHhaj+6MPRuM0ho/P4yzl2Nyb/OhA==
=h81Q
-----END PGP SIGNATURE-----
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"While last week's pull request contained miscellaneous fixes for x86,
this one covers other architectures, selftests changes, and a bigger
series for APIC virtualization bugs that were discovered during 5.20
development. The idea is to base 5.20 development for KVM on top of
this tag.
ARM64:
- Properly reset the SVE/SME flags on vcpu load
- Fix a vgic-v2 regression regarding accessing the pending state of a
HW interrupt from userspace (and make the code common with vgic-v3)
- Fix access to the idreg range for protected guests
- Ignore 'kvm-arm.mode=protected' when using VHE
- Return an error from kvm_arch_init_vm() on allocation failure
- A bunch of small cleanups (comments, annotations, indentation)
RISC-V:
- Typo fix in arch/riscv/kvm/vmid.c
- Remove broken reference pattern from MAINTAINERS entry
x86-64:
- Fix error in page tables with MKTME enabled
- Dirty page tracking performance test extended to running a nested
guest
- Disable APICv/AVIC in cases that it cannot implement correctly"
[ This merge also fixes a misplaced end parenthesis bug introduced in
commit 3743c2f025 ("KVM: x86: inhibit APICv/AVIC on changes to APIC
ID or APIC base") pointed out by Sean Christopherson ]
Link: https://lore.kernel.org/all/20220610191813.371682-1-seanjc@google.com/
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (34 commits)
KVM: selftests: Restrict test region to 48-bit physical addresses when using nested
KVM: selftests: Add option to run dirty_log_perf_test vCPUs in L2
KVM: selftests: Clean up LIBKVM files in Makefile
KVM: selftests: Link selftests directly with lib object files
KVM: selftests: Drop unnecessary rule for STATIC_LIBS
KVM: selftests: Add a helper to check EPT/VPID capabilities
KVM: selftests: Move VMX_EPT_VPID_CAP_AD_BITS to vmx.h
KVM: selftests: Refactor nested_map() to specify target level
KVM: selftests: Drop stale function parameter comment for nested_map()
KVM: selftests: Add option to create 2M and 1G EPT mappings
KVM: selftests: Replace x86_page_size with PG_LEVEL_XX
KVM: x86: SVM: fix nested PAUSE filtering when L0 intercepts PAUSE
KVM: x86: SVM: drop preempt-safe wrappers for avic_vcpu_load/put
KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking
KVM: x86: disable preemption while updating apicv inhibition
KVM: x86: SVM: fix avic_kick_target_vcpus_fast
KVM: x86: SVM: remove avic's broken code that updated APIC ID
KVM: x86: inhibit APICv/AVIC on changes to APIC ID or APIC base
KVM: x86: document AVIC/APICv inhibit reasons
KVM: x86/mmu: Set memory encryption "value", not "mask", in shadow PDPTRs
...
- MAINTAINERS: Add s32@nxp.com as a review group.
- dts: Pass unit name to soc node to fix a W=1 build warning.
-----BEGIN PGP SIGNATURE-----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=Bxvz
-----END PGP SIGNATURE-----
gpgsig -----BEGIN PGP SIGNATURE-----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=PRji
-----END PGP SIGNATURE-----
Merge tag 's32g2-fixes-5.19' of https://github.com/chesterlintw/linux-s32g into arm/fixes
S32G2 fixes for 5.19
- MAINTAINERS: Add s32@nxp.com as a review group.
- dts: Pass unit name to soc node to fix a W=1 build warning.
* tag 's32g2-fixes-5.19' of https://github.com/chesterlintw/linux-s32g:
MAINTAINERS: add a new reviewer for S32G
arm64: s32g2: Pass unit name to soc node
Link: https://lore.kernel.org/r/Yp9Y4nGrQ2kVKV6S@linux-8mug
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- SME save/restore for EFI fix - incorrect logic for detecting the need
for saving/restoring the FFR state.
- SME fix for a CPU ID field value.
- Sysreg generation awk script fix (comparison operator).
- Some typos in documentation or comments and silence a sparse warning
(missing prototype).
-----BEGIN PGP SIGNATURE-----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=dll5
-----END PGP SIGNATURE-----
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- SME save/restore for EFI fix - incorrect logic for detecting the need
for saving/restoring the FFR state.
- SME fix for a CPU ID field value.
- Sysreg generation awk script fix (comparison operator).
- Some typos in documentation or comments and silence a sparse warning
(missing prototype).
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add kasan_hw_tags_enable() prototype to silence sparse
arm64/sme: Fix EFI save/restore
arm64/fpsimd: Fix typo in comment
arm64/sysreg: Fix typo in Enum element regex
arm64/sme: Fix SVE/SME typo in ABI documentation
arm64/sme: Fix tests for 0b1111 value ID registers
This function is only called from assembly, no need for a prototype
declaration in a header file. In addition, add #ifdef around the
function since it is only used when CONFIG_KASAN_HW_TAGS.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: kernel test robot <lkp@intel.com>
-----BEGIN PGP SIGNATURE-----
iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCYqLLcQAKCRCAXGG7T9hj
vggVAP0Wjf81TxvIGrwtcn1q2LW7xyNp5TQk1T6GYx40sHXWlQD/SCKl5iorSGn+
+g1eXYmOpnSIAcMX3B3T4Ra8uo3mnA8=
=PnB/
-----END PGP SIGNATURE-----
Merge tag 'for-linus-5.19a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- a small cleanup removing "export" of an __init function
- a small series adding a new infrastructure for platform flags
- a series adding generic virtio support for Xen guests (frontend side)
* tag 'for-linus-5.19a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: unexport __init-annotated xen_xlate_map_ballooned_pages()
arm/xen: Assign xen-grant DMA ops for xen-grant DMA devices
xen/grant-dma-ops: Retrieve the ID of backend's domain for DT devices
xen/grant-dma-iommu: Introduce stub IOMMU driver
dt-bindings: Add xen,grant-dma IOMMU description for xen-grant DMA ops
xen/virtio: Enable restricted memory access using Xen grant mappings
xen/grant-dma-ops: Add option to restrict memory access under Xen
xen/grants: support allocating consecutive grants
arm/xen: Introduce xen_setup_dma_ops()
virtio: replace arch_has_restricted_virtio_memory_access()
kernel: add platform_has() infrastructure
The EFI save/restore code is confused. When saving the check for saving
FFR is inverted due to confusion with the streaming mode check, and when
restoring we check if we need to restore FFR by checking the percpu
efi_sm_state without the required wrapper rather than based on the
combination of FA64 support and streaming mode.
Fixes: e0838f6373 ("arm64/sme: Save and restore streaming mode over EFI runtime calls")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220602124132.3528951-1-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
In the awk script, there was a typo with the comparison operator when
checking if the matched pattern is inside an Enum block.
This prevented the generation of the whole sysreg-defs.h header.
Fixes: 66847e0618 ("arm64: Add sysreg header generation scripting")
Signed-off-by: Alejandro Tafalla <atafalla@dnyon.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220609204220.12112-1-atafalla@dnyon.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The layout of 'struct kvm_vcpu_arch' has evolved significantly since
the initial port of KVM/arm64, so remove the stale comment suggesting
that a prefix of the structure is used exclusively from assembly code.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220609121223.2551-7-will@kernel.org
host_stage2_try() asserts that the KVM host lock is held, so there's no
need to duplicate the assertion in its wrappers.
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220609121223.2551-6-will@kernel.org
has_vhe() expands to a compile-time constant when evaluated from the VHE
or nVHE code, alternatively checking a static key when called from
elsewhere in the kernel. On face value, this looks like a case of
premature optimization, but in fact this allows symbol references on
VHE-specific code paths to be dropped from the nVHE object.
Expand the comment in has_vhe() to make this clearer, hopefully
discouraging anybody from simplifying the code.
Cc: David Brazdil <dbrazdil@google.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220609121223.2551-5-will@kernel.org
Ignore 'kvm-arm.mode=protected' when using VHE so that kvm_get_mode()
only returns KVM_MODE_PROTECTED on systems where the feature is available.
Cc: David Brazdil <dbrazdil@google.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220609121223.2551-4-will@kernel.org
A protected VM accessing ID_AA64ISAR2_EL1 gets punished with an UNDEF,
while it really should only get a zero back if the register is not
handled by the hypervisor emulation (as mandated by the architecture).
Introduce all the missing ID registers (including the unallocated ones),
and have them to return 0.
Reported-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220609121223.2551-3-will@kernel.org
If we fail to allocate the 'supported_cpus' cpumask in kvm_arch_init_vm()
then be sure to return -ENOMEM instead of success (0) on the failure
path.
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220609121223.2551-2-will@kernel.org
For both ID_AA64SMFR0_EL1.I16I64 and ID_AA64SMFR0_EL1.I8I32 we check for
the presence of the feature by looking for a specific ID value of 0x4 but
should instead be checking for the value 0xf defined by the architecture.
This had no practical effect since we are looking for values >= our define
and the only valid values in the architecture are 0b0000 and 0b1111 so we
would detect things appropriately with the architecture as it stands even
with the incorrect defines.
Signed-off-by: Mark Brown <broonie@kernel.org>
Fixes: b4adc83b07 ("arm64/sme: System register and exception syndrome definitions")
Link: https://lore.kernel.org/r/20220607165128.2833157-1-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
A recurrent bug in the KVM/arm64 code base consists in trying to
access the timer pending state outside of the vcpu context, which
makes zero sense (the pending state only exists when the vcpu
is loaded).
In order to avoid more embarassing crashes and catch the offenders
red-handed, add a warning to kvm_arch_timer_get_input_level() and
return the state as non-pending. This avoids taking the system down,
and still helps tracking down silly bugs.
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220607131427.1164881-4-maz@kernel.org
Now that GICv2 has a proper userspace accessor for the pending state,
switch GICv3 over to it, dropping the local version, moving over the
specific behaviours that CGIv3 requires (such as the distinction
between pending latch and line level which were never enforced
with GICv2).
We also gain extra locking that isn't really necessary for userspace,
but that's a small price to pay for getting rid of superfluous code.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20220607131427.1164881-3-maz@kernel.org
syzbot reported an illegal copy_to_user() attempt
from bpf_prog_get_info_by_fd() [1]
There was no repro yet on this bug, but I think
that commit 0aef499f31 ("mm/usercopy: Detect vmalloc overruns")
is exposing a prior bug in bpf arm64.
bpf_prog_get_info_by_fd() looks at prog->jited_len
to determine if the JIT image can be copied out to user space.
My theory is that syzbot managed to get a prog where prog->jited_len
has been set to 43, while prog->bpf_func has ben cleared.
It is not clear why copy_to_user(uinsns, NULL, ulen) is triggering
this particular warning.
I thought find_vma_area(NULL) would not find a vm_struct.
As we do not hold vmap_area_lock spinlock, it might be possible
that the found vm_struct was garbage.
[1]
usercopy: Kernel memory exposure attempt detected from vmalloc (offset 792633534417210172, size 43)!
kernel BUG at mm/usercopy.c:101!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 25002 Comm: syz-executor.1 Not tainted 5.18.0-syzkaller-10139-g8291eaafed36 #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : usercopy_abort+0x90/0x94 mm/usercopy.c:101
lr : usercopy_abort+0x90/0x94 mm/usercopy.c:89
sp : ffff80000b773a20
x29: ffff80000b773a30 x28: faff80000b745000 x27: ffff80000b773b48
x26: 0000000000000000 x25: 000000000000002b x24: 0000000000000000
x23: 00000000000000e0 x22: ffff80000b75db67 x21: 0000000000000001
x20: 000000000000002b x19: ffff80000b75db3c x18: 00000000fffffffd
x17: 2820636f6c6c616d x16: 76206d6f72662064 x15: 6574636574656420
x14: 74706d6574746120 x13: 2129333420657a69 x12: 73202c3237313031
x11: 3237313434333533 x10: 3336323937207465 x9 : 657275736f707865
x8 : ffff80000a30c550 x7 : ffff80000b773830 x6 : ffff80000b773830
x5 : 0000000000000000 x4 : ffff00007fbbaa10 x3 : 0000000000000000
x2 : 0000000000000000 x1 : f7ff000028fc0000 x0 : 0000000000000064
Call trace:
usercopy_abort+0x90/0x94 mm/usercopy.c:89
check_heap_object mm/usercopy.c:186 [inline]
__check_object_size mm/usercopy.c:252 [inline]
__check_object_size+0x198/0x36c mm/usercopy.c:214
check_object_size include/linux/thread_info.h:199 [inline]
check_copy_size include/linux/thread_info.h:235 [inline]
copy_to_user include/linux/uaccess.h:159 [inline]
bpf_prog_get_info_by_fd.isra.0+0xf14/0xfdc kernel/bpf/syscall.c:3993
bpf_obj_get_info_by_fd+0x12c/0x510 kernel/bpf/syscall.c:4253
__sys_bpf+0x900/0x2150 kernel/bpf/syscall.c:4956
__do_sys_bpf kernel/bpf/syscall.c:5021 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5019 [inline]
__arm64_sys_bpf+0x28/0x40 kernel/bpf/syscall.c:5019
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:52
el0_svc_common.constprop.0+0x44/0xec arch/arm64/kernel/syscall.c:142
do_el0_svc+0xa0/0xc0 arch/arm64/kernel/syscall.c:206
el0_svc+0x44/0xb0 arch/arm64/kernel/entry-common.c:624
el0t_64_sync_handler+0x1ac/0x1b0 arch/arm64/kernel/entry-common.c:642
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:581
Code: aa0003e3 d00038c0 91248000 97fff65f (d4210000)
Fixes: db496944fd ("bpf: arm64: add JIT support for multi-function programs")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20220531215113.1100754-1-eric.dumazet@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Since 5bfa685e62 ("KVM: arm64: vgic: Read HW interrupt pending state
from the HW"), we're able to source the pending bit for an interrupt
that is stored either on the physical distributor or on a device.
However, this state is only available when the vcpu is loaded,
and is not intended to be accessed from userspace. Unfortunately,
the GICv2 emulation doesn't provide specific userspace accessors,
and we fallback with the ones that are intended for the guest,
with fatal consequences.
Add a new vgic_uaccess_read_pending() accessor for userspace
to use, build on top of the existing vgic_mmio_read_pending().
Reported-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Fixes: 5bfa685e62 ("KVM: arm64: vgic: Read HW interrupt pending state from the HW")
Link: https://lore.kernel.org/r/20220607131427.1164881-2-maz@kernel.org
Cc: stable@vger.kernel.org
On each vcpu load, we set the KVM_ARM64_HOST_SME_ENABLED
flag if SME is enabled for EL0 on the host. This is used to
restore the correct state on vpcu put.
However, it appears that nothing ever clears this flag. Once
set, it will stick until the vcpu is destroyed, which has the
potential to spuriously enable SME for userspace. As it turns
out, this is due to the SME code being more or less copied from
SVE, and inheriting the same shortcomings.
We never saw the issue because nothing uses SME, and the amount
of testing is probably still pretty low.
Fixes: 861262ab86 ("KVM: arm64: Handle SME host state when running guests")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviwed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220528113829.1043361-3-maz@kernel.org
On each vcpu load, we set the KVM_ARM64_HOST_SVE_ENABLED
flag if SVE is enabled for EL0 on the host. This is used to restore
the correct state on vpcu put.
However, it appears that nothing ever clears this flag. Once
set, it will stick until the vcpu is destroyed, which has the
potential to spuriously enable SVE for userspace.
We probably never saw the issue because no VMM uses SVE, but
that's still pretty bad. Unconditionally clearing the flag
on vcpu load addresses the issue.
Fixes: 8383741ab2 ("KVM: arm64: Get rid of host SVE tracking/saving")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220528113829.1043361-2-maz@kernel.org
Pass unit name to soc node to fix the following W=1 build warning:
arch/arm64/boot/dts/freescale/s32g2.dtsi:82.6-123.4: Warning (unit_address_vs_reg): /soc: node has a reg or ranges property, but no unit name
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Chester Lin <clin@suse.com>
Signed-off-by: Chester Lin <clin@suse.com>
Link: https://lore.kernel.org/r/20220514143505.1554813-1-festevam@gmail.com
The clocks in the serial UART nodes were swapped by mistake on
Exynos7885. This only worked correctly because of a mistake in the clock
driver which has been fixed. With the fixed clock driver in place, the
baudrate of the UARTs get miscalculated. Fix this by correcting the
clocks in the dtsi.
Fixes: 0687401532 ("arm64: dts: exynos: Add initial device tree support for Exynos7885 SoC")
Signed-off-by: David Virag <virag.david003@gmail.com>
Link: https://lore.kernel.org/r/20220526055840.45209-3-virag.david003@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This patch introduces new helper and places it in new header.
The helper's purpose is to assign any Xen specific DMA ops in
a single place. For now, we deal with xen-swiotlb DMA ops only.
The one of the subsequent commits in current series will add
xen-grant DMA ops case.
Also re-use the xen_swiotlb_detect() check on Arm32.
Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
[For arm64]
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/1654197833-25362-2-git-send-email-olekstysh@gmail.com
Signed-off-by: Juergen Gross <jgross@suse.com>
ordinary user mode tasks.
In commit 40966e316f ("kthread: Ensure struct kthread is present for
all kthreads") caused init and the user mode helper threads that call
kernel_execve to have struct kthread allocated for them. This struct
kthread going away during execve in turned made a use after free of
struct kthread possible.
The commit 343f4c49f2 ("kthread: Don't allocate kthread_struct for
init and umh") is enough to fix the use after free and is simple enough
to be backportable.
The rest of the changes pass struct kernel_clone_args to clean things
up and cause the code to make sense.
In making init and the user mode helpers tasks purely user mode tasks
I ran into two complications. The function task_tick_numa was
detecting tasks without an mm by testing for the presence of
PF_KTHREAD. The initramfs code in populate_initrd_image was using
flush_delayed_fput to ensuere the closing of all it's file descriptors
was complete, and flush_delayed_fput does not work in a userspace thread.
I have looked and looked and more complications and in my code review
I have not found any, and neither has anyone else with the code sitting
in linux-next.
Link: https://lkml.kernel.org/r/87mtfu4up3.fsf@email.froward.int.ebiederm.org
Eric W. Biederman (8):
kthread: Don't allocate kthread_struct for init and umh
fork: Pass struct kernel_clone_args into copy_thread
fork: Explicity test for idle tasks in copy_thread
fork: Generalize PF_IO_WORKER handling
init: Deal with the init process being a user mode process
fork: Explicitly set PF_KTHREAD
fork: Stop allowing kthreads to call execve
sched: Update task_tick_numa to ignore tasks without an mm
arch/alpha/kernel/process.c | 13 ++++++------
arch/arc/kernel/process.c | 13 ++++++------
arch/arm/kernel/process.c | 12 ++++++-----
arch/arm64/kernel/process.c | 12 ++++++-----
arch/csky/kernel/process.c | 15 ++++++-------
arch/h8300/kernel/process.c | 10 ++++-----
arch/hexagon/kernel/process.c | 12 ++++++-----
arch/ia64/kernel/process.c | 15 +++++++------
arch/m68k/kernel/process.c | 12 ++++++-----
arch/microblaze/kernel/process.c | 12 ++++++-----
arch/mips/kernel/process.c | 13 ++++++------
arch/nios2/kernel/process.c | 12 ++++++-----
arch/openrisc/kernel/process.c | 12 ++++++-----
arch/parisc/kernel/process.c | 18 +++++++++-------
arch/powerpc/kernel/process.c | 15 +++++++------
arch/riscv/kernel/process.c | 12 ++++++-----
arch/s390/kernel/process.c | 12 ++++++-----
arch/sh/kernel/process_32.c | 12 ++++++-----
arch/sparc/kernel/process_32.c | 12 ++++++-----
arch/sparc/kernel/process_64.c | 12 ++++++-----
arch/um/kernel/process.c | 15 +++++++------
arch/x86/include/asm/fpu/sched.h | 2 +-
arch/x86/include/asm/switch_to.h | 8 +++----
arch/x86/kernel/fpu/core.c | 4 ++--
arch/x86/kernel/process.c | 18 +++++++++-------
arch/xtensa/kernel/process.c | 17 ++++++++-------
fs/exec.c | 8 ++++---
include/linux/sched/task.h | 8 +++++--
init/initramfs.c | 2 ++
init/main.c | 2 +-
kernel/fork.c | 46 +++++++++++++++++++++++++++++++++-------
kernel/sched/fair.c | 2 +-
kernel/umh.c | 6 +++---
33 files changed, 234 insertions(+), 160 deletions(-)
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
-----BEGIN PGP SIGNATURE-----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=x6fy
-----END PGP SIGNATURE-----
Merge tag 'kthread-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull kthread updates from Eric Biederman:
"This updates init and user mode helper tasks to be ordinary user mode
tasks.
Commit 40966e316f ("kthread: Ensure struct kthread is present for
all kthreads") caused init and the user mode helper threads that call
kernel_execve to have struct kthread allocated for them. This struct
kthread going away during execve in turned made a use after free of
struct kthread possible.
Here, commit 343f4c49f2 ("kthread: Don't allocate kthread_struct for
init and umh") is enough to fix the use after free and is simple
enough to be backportable.
The rest of the changes pass struct kernel_clone_args to clean things
up and cause the code to make sense.
In making init and the user mode helpers tasks purely user mode tasks
I ran into two complications. The function task_tick_numa was
detecting tasks without an mm by testing for the presence of
PF_KTHREAD. The initramfs code in populate_initrd_image was using
flush_delayed_fput to ensuere the closing of all it's file descriptors
was complete, and flush_delayed_fput does not work in a userspace
thread.
I have looked and looked and more complications and in my code review
I have not found any, and neither has anyone else with the code
sitting in linux-next"
* tag 'kthread-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
sched: Update task_tick_numa to ignore tasks without an mm
fork: Stop allowing kthreads to call execve
fork: Explicitly set PF_KTHREAD
init: Deal with the init process being a user mode process
fork: Generalize PF_IO_WORKER handling
fork: Explicity test for idle tasks in copy_thread
fork: Pass struct kernel_clone_args into copy_thread
kthread: Don't allocate kthread_struct for init and umh
- Initialise jump labels before setup_machine_fdt(), needed by commit
f5bda35fba ("random: use static branch for crng_ready()").
- Sparse warnings: missing prototype, incorrect __user annotation.
- Skip SVE kselftest if not sufficient vector lengths supported.
-----BEGIN PGP SIGNATURE-----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=25eW
-----END PGP SIGNATURE-----
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"Most of issues addressed were introduced during this merging window.
- Initialise jump labels before setup_machine_fdt(), needed by commit
f5bda35fba ("random: use static branch for crng_ready()").
- Sparse warnings: missing prototype, incorrect __user annotation.
- Skip SVE kselftest if not sufficient vector lengths supported"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
kselftest/arm64: signal: Skip SVE signal test if not enough VLs supported
arm64: Initialize jump labels before setup_machine_fdt()
arm64: hibernate: Fix syntax errors in comments
arm64: Remove the __user annotation for the restore_za_context() argument
ftrace/fgraph: fix increased missing-prototypes warnings
Here is the "big" set of USB and Thunderbolt driver changes for
5.18-rc1. For the most part it's been a quiet development cycle for the
USB core, but there are the usual "hot spots" of development activity.
Included in here are:
- Thunderbolt driver updates:
- fixes for devices without displayport adapters
- lane bonding support and improvements
- other minor changes based on device testing
- dwc3 gadget driver changes. It seems this driver will never
be finished given that the IP core is showing up in zillions
of new devices and each implementation decides to do something
different with it...
- uvc gadget driver updates as more devices start to use and
rely on this hardware as well
- usb_maxpacket() api changes to remove an unneeded and unused
parameter.
- usb-serial driver device id updates and small cleanups
- typec cleanups and fixes based on device testing
- device tree updates for usb properties
- lots of other small fixes and driver updates.
All of these have been in linux-next for weeks with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYpnZGw8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ymQhwCeLVANsQjBcL4ys4skl+1In17y28gAn3rEZ7rQ
Yv4uP9zadUqg3Cx0vjgf
=3s5s
-----END PGP SIGNATURE-----
Merge tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the "big" set of USB and Thunderbolt driver changes for
5.18-rc1. For the most part it's been a quiet development cycle for
the USB core, but there are the usual "hot spots" of development
activity.
Included in here are:
- Thunderbolt driver updates:
- fixes for devices without displayport adapters
- lane bonding support and improvements
- other minor changes based on device testing
- dwc3 gadget driver changes.
It seems this driver will never be finished given that the IP core
is showing up in zillions of new devices and each implementation
decides to do something different with it...
- uvc gadget driver updates as more devices start to use and rely on
this hardware as well
- usb_maxpacket() api changes to remove an unneeded and unused
parameter.
- usb-serial driver device id updates and small cleanups
- typec cleanups and fixes based on device testing
- device tree updates for usb properties
- lots of other small fixes and driver updates.
All of these have been in linux-next for weeks with no reported
problems"
* tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
USB: new quirk for Dell Gen 2 devices
usb: dwc3: core: Add error log when core soft reset failed
usb: dwc3: gadget: Move null pinter check to proper place
usb: hub: Simplify error and success path in port_over_current_notify
usb: cdns3: allocate TX FIFO size according to composite EP number
usb: dwc3: Fix ep0 handling when getting reset while doing control transfer
usb: Probe EHCI, OHCI controllers asynchronously
usb: isp1760: Fix out-of-bounds array access
xhci: Don't defer primary roothub registration if there is only one roothub
USB: serial: option: add Quectel BG95 modem
USB: serial: pl2303: fix type detection for odd device
xhci: Allow host runtime PM as default for Intel Alder Lake N xHCI
xhci: Remove quirk for over 10 year old evaluation hardware
xhci: prevent U2 link power state if Intel tier policy prevented U1
xhci: use generic command timer for stop endpoint commands.
usb: host: xhci-plat: omit shared hcd if either root hub has no ports
usb: host: xhci-plat: prepare operation w/o shared hcd
usb: host: xhci-plat: create shared hcd after having added main hcd
xhci: prepare for operation w/o shared hcd
xhci: factor out parts of xhci_gen_setup()
...
This is the second part of the general SoC updates, containing
everything that did not make it in the initial pull request,
or that came in as a bugfix later.
- Devicetree updates for SoCFPGA, ASPEED, AT91 and Rockchip, including
a new machine using an ASPEED BMC.
- More DT fixes from Krzysztof Kozlowski across platforms
- A new SoC platform for the GXP baseboard management controller,
used in current server products from HPE.
-----BEGIN PGP SIGNATURE-----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=2qok
-----END PGP SIGNATURE-----
Merge tag 'arm-late-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull more ARM SoC updates from Arnd Bergmann:
"This is the second part of the general SoC updates, containing
everything that did not make it in the initial pull request, or that
came in as a bugfix later.
- Devicetree updates for SoCFPGA, ASPEED, AT91 and Rockchip,
including a new machine using an ASPEED BMC.
- More DT fixes from Krzysztof Kozlowski across platforms
- A new SoC platform for the GXP baseboard management controller,
used in current server products from HPE"
* tag 'arm-late-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (56 commits)
ARM: configs: Enable more audio support for i.MX
tee: optee: Pass a pointer to virt_addr_valid()
arm64: dts: rockchip: rename Quartz64-A bluetooth gpios
arm64: dts: rockchip: add clocks property to cru node rk3368
arm64: dts: rockchip: add clocks property to cru node rk3308
arm64: dts: rockchip: add clocks to rk356x cru
ARM: dts: rockchip: add clocks property to cru node rk3228
ARM: dts: rockchip: add clocks property to cru node rk3036
ARM: dts: rockchip: add clocks property to cru node rk3066a/rk3188
ARM: dts: rockchip: add clocks property to cru node rk3288
ARM: dts: rockchip: Remove "amba" bus nodes from rv1108
ARM: dts: rockchip: add clocks property to cru node rv1108
arm64: dts: sprd: use new 'dma-channels' property
ARM: dts: da850: use new 'dma-channels' property
ARM: dts: pxa: use new 'dma-channels/requests' properties
soc: ixp4xx/qmgr: Fix unused match warning
ARM: ep93xx: Make ts72xx_register_flash() static
ARM: configs: enable support for Kontron KSwitch D10
ep93xx: clock: Do not return the address of the freed memory
arm64: dts: intel: add device tree for n6000
...
The struct user_ctx *user pointer passed to restore_za_context() is not
a user point but a structure containing several __user pointers. Remove
the __user annotation.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Fixes: 39782210eb ("arm64/sme: Implement ZA signal handling")
Reported-by: kernel test robot <lkp@intel.com>
Cc: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220601171338.2143625-1-catalin.marinas@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
* Support for the Svpbmt extension, which allows memory attributes to be
encoded in pages.
* Support for the Allwinner D1's implementation of page-based memory
attributes.
* Support for running rv32 binaries on rv64 systems, via the compat
subsystem.
* Support for kexec_file().
* Support for the new generic ticket-based spinlocks, which allows us to
also move to qrwlock. These should have already gone in through the
asm-geneic tree as well.
* A handful of cleanups and fixes, include some larger ones around
atomics and XIP.
-----BEGIN PGP SIGNATURE-----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=Loi6
-----END PGP SIGNATURE-----
Merge tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for the Svpbmt extension, which allows memory attributes to
be encoded in pages
- Support for the Allwinner D1's implementation of page-based memory
attributes
- Support for running rv32 binaries on rv64 systems, via the compat
subsystem
- Support for kexec_file()
- Support for the new generic ticket-based spinlocks, which allows us
to also move to qrwlock. These should have already gone in through
the asm-geneic tree as well
- A handful of cleanups and fixes, include some larger ones around
atomics and XIP
* tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits)
RISC-V: Prepare dropping week attribute from arch_kexec_apply_relocations[_add]
riscv: compat: Using seperated vdso_maps for compat_vdso_info
RISC-V: Fix the XIP build
RISC-V: Split out the XIP fixups into their own file
RISC-V: ignore xipImage
RISC-V: Avoid empty create_*_mapping definitions
riscv: Don't output a bogus mmu-type on a no MMU kernel
riscv: atomic: Add custom conditional atomic operation implementation
riscv: atomic: Optimize dec_if_positive functions
riscv: atomic: Cleanup unnecessary definition
RISC-V: Load purgatory in kexec_file
RISC-V: Add purgatory
RISC-V: Support for kexec_file on panic
RISC-V: Add kexec_file support
RISC-V: use memcpy for kexec_file mode
kexec_file: Fix kexec_file.c build error for riscv platform
riscv: compat: Add COMPAT Kbuild skeletal support
riscv: compat: ptrace: Add compat_arch_ptrace implement
riscv: compat: signal: Add rt_frame implementation
riscv: add memory-type errata for T-Head
...
Ben Dooks