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Remove an unneeded semicolon to avoid build warnings:
./arch/loongarch/kvm/exit.c:764:2-3: Unneeded semicolon
Cc: stable@vger.kernel.org
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9343
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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In the current code, if multiple hardware breakpoints/watchpoints in
a user-space thread, some of them will not be triggered.
When debugging the following code using gdb.
lihui@bogon:~$ cat test.c
#include <stdio.h>
int a = 0;
int main()
{
printf("start test\n");
a = 1;
printf("a = %d\n", a);
printf("end test\n");
return 0;
}
lihui@bogon:~$ gcc -g test.c -o test
lihui@bogon:~$ gdb test
...
(gdb) start
...
Temporary breakpoint 1, main () at test.c:5
5 printf("start test\n");
(gdb) watch a
Hardware watchpoint 2: a
(gdb) hbreak 8
Hardware assisted breakpoint 3 at 0x1200006ec: file test.c, line 8.
(gdb) c
Continuing.
start test
a = 1
Breakpoint 3, main () at test.c:8
8 printf("end test\n");
...
The first hardware watchpoint is not triggered, the root causes are:
1. In hw_breakpoint_control(), The FWPnCFG1.2.4/MWPnCFG1.2.4 register
settings are not distinguished. They should be set based on hardware
watchpoint functions (fetch or load/store operations).
2. In breakpoint_handler() and watchpoint_handler(), it doesn't identify
which watchpoint is triggered. So, all watchpoint-related perf_event
callbacks are called and siginfo is sent to the user space. This will
cause user-space unable to determine which watchpoint is triggered.
The kernel need to identity which watchpoint is triggered via MWPS/
FWPS registers, and then call the corresponding perf event callbacks
to report siginfo to the user-space.
Modify the relevant code to solve above issues.
All changes according to the LoongArch Reference Manual:
https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#control-and-status-registers-related-to-watchpoints
With this patch:
lihui@bogon:~$ gdb test
...
(gdb) start
...
Temporary breakpoint 1, main () at test.c:5
5 printf("start test\n");
(gdb) watch a
Hardware watchpoint 2: a
(gdb) hbreak 8
Hardware assisted breakpoint 3 at 0x1200006ec: file test.c, line 8.
(gdb) c
Continuing.
start test
Hardware watchpoint 2: a
Old value = 0
New value = 1
main () at test.c:7
7 printf("a = %d\n", a);
(gdb) c
Continuing.
a = 1
Breakpoint 3, main () at test.c:8
8 printf("end test\n");
(gdb) c
Continuing.
end test
[Inferior 1 (process 778) exited normally]
Cc: stable@vger.kernel.org
Signed-off-by: Hui Li <lihui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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In the current code, gdb can set the watchpoint successfully through
ptrace interface, but watchpoint will not be triggered.
When debugging the following code using gdb.
lihui@bogon:~$ cat test.c
#include <stdio.h>
int a = 0;
int main()
{
a = 1;
printf("a = %d\n", a);
return 0;
}
lihui@bogon:~$ gcc -g test.c -o test
lihui@bogon:~$ gdb test
...
(gdb) watch a
...
(gdb) r
...
a = 1
[Inferior 1 (process 4650) exited normally]
No watchpoints were triggered, the root causes are:
1. Kernel uses perf_event and hw_breakpoint framework to control
watchpoint, but the perf_event corresponding to watchpoint is
not enabled. So it needs to be enabled according to MWPnCFG3
or FWPnCFG3 PLV bit field in ptrace_hbp_set_ctrl(), and privilege
is set according to the monitored addr in hw_breakpoint_control().
Furthermore, add a judgment in ptrace_hbp_set_addr() to ensure
kernel-space addr cannot be monitored in user mode.
2. The global enable control for all watchpoints is the WE bit of
CSR.CRMD, and hardware sets the value to 0 when an exception is
triggered. When the ERTN instruction is executed to return, the
hardware restores the value of the PWE field of CSR.PRMD here.
So, before a thread containing watchpoints be scheduled, the PWE
field of CSR.PRMD needs to be set to 1. Add this modification in
hw_breakpoint_control().
All changes according to the LoongArch Reference Manual:
https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#control-and-status-registers-related-to-watchpoints
https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#basic-control-and-status-registers
With this patch:
lihui@bogon:~$ gdb test
...
(gdb) watch a
Hardware watchpoint 1: a
(gdb) r
...
Hardware watchpoint 1: a
Old value = 0
New value = 1
main () at test.c:6
6 printf("a = %d\n", a);
(gdb) c
Continuing.
a = 1
[Inferior 1 (process 775) exited normally]
Cc: stable@vger.kernel.org
Signed-off-by: Hui Li <lihui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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In the current code, when debugging the following code using gdb,
"invalid argument ..." message will be displayed.
lihui@bogon:~$ cat test.c
#include <stdio.h>
int a = 0;
int main()
{
a = 1;
return 0;
}
lihui@bogon:~$ gcc -g test.c -o test
lihui@bogon:~$ gdb test
...
(gdb) watch a
Hardware watchpoint 1: a
(gdb) r
...
Invalid argument setting hardware debug registers
There are mainly two types of issues.
1. Some incorrect judgment condition existed in user_watch_state
argument parsing, causing -EINVAL to be returned.
When setting up a watchpoint, gdb uses the ptrace interface,
ptrace(PTRACE_SETREGSET, tid, NT_LOONGARCH_HW_WATCH, (void *) &iov)).
Register values in user_watch_state as follows:
addr[0] = 0x0, mask[0] = 0x0, ctrl[0] = 0x0
addr[1] = 0x0, mask[1] = 0x0, ctrl[1] = 0x0
addr[2] = 0x0, mask[2] = 0x0, ctrl[2] = 0x0
addr[3] = 0x0, mask[3] = 0x0, ctrl[3] = 0x0
addr[4] = 0x0, mask[4] = 0x0, ctrl[4] = 0x0
addr[5] = 0x0, mask[5] = 0x0, ctrl[5] = 0x0
addr[6] = 0x0, mask[6] = 0x0, ctrl[6] = 0x0
addr[7] = 0x12000803c, mask[7] = 0x0, ctrl[7] = 0x610
In arch_bp_generic_fields(), return -EINVAL when ctrl.len is
LOONGARCH_BREAKPOINT_LEN_8(0b00). So delete the incorrect judgment here.
In ptrace_hbp_fill_attr_ctrl(), when note_type is NT_LOONGARCH_HW_WATCH
and ctrl[0] == 0x0, if ((type & HW_BREAKPOINT_RW) != type) will return
-EINVAL. Here ctrl.type should be set based on note_type, and unnecessary
judgments can be removed.
2. The watchpoint argument was not set correctly due to unnecessary
offset and alignment_mask.
Modify ptrace_hbp_fill_attr_ctrl() and hw_breakpoint_arch_parse(), which
ensure the watchpont argument is set correctly.
All changes according to the LoongArch Reference Manual:
https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#control-and-status-registers-related-to-watchpoints
Cc: stable@vger.kernel.org
Signed-off-by: Hui Li <lihui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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-mthin-add-sub
GAS <= 2.41 does not support generating R_LARCH_{32,64}_PCREL for
"label - ." and it generates R_LARCH_{ADD,SUB}{32,64} pairs instead.
Objtool cannot handle R_LARCH_{ADD,SUB}{32,64} pair in __jump_table
(static key implementation) and etc. so it will produce some warnings.
This is causing the kernel CI systems to complain everywhere.
For GAS we can check if -mthin-add-sub option is available to know if
R_LARCH_{32,64}_PCREL are supported.
For Clang, we require Clang >= 18 and Clang >= 17 already supports
R_LARCH_{32,64}_PCREL. But unfortunately Clang has some other issues,
so we disable objtool for Clang at present.
Note that __jump_table here is not generated by the compiler, so
-fno-jump-table is completely irrelevant for this issue.
Fixes: cb8a2ef0848c ("LoongArch: Add ORC stack unwinder support")
Closes: https://lore.kernel.org/loongarch/Zl5m1ZlVmGKitAof@yujie-X299/
Closes: https://lore.kernel.org/loongarch/ZlY1gDDPi_mNrwJ1@slm.duckdns.org/
Closes: https://lore.kernel.org/loongarch/1717478006.038663-1-hengqi@linux.alibaba.com/
Link: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=816029e06768
Link: https://github.com/llvm/llvm-project/commit/42cb3c6346fc
Signed-off-by: Xi Ruoyao <xry111@xry111.site>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Fix for invalid register access
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZnPiE4ROqBowa1nS@fedora
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.10-2024-06-19:
amdgpu:
- Fix display idle optimization race
- Fix GPUVM TLB flush locking scope
- IPS fix
- GFX 9.4.3 harvesting fix
- Runtime pm fix for shared buffers
- DCN 3.5.x fixes
- USB4 fix
- RISC-V clang fix
- Silence UBSAN warnings
- MES11 fix
- PSP 14.0.x fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619223233.3116457-1-alexander.deucher@amd.com
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
drm/i915 fixes for v6.10-rc5:
- Fix conditions for joiner usage, it's not possible with eDP MSO
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/875xu5fbyr.fsf@intel.com
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Setting IACK bit when core is disabled does not clear the "Interrupt Flag"
bit in the status register, and the interrupt remains pending.
Sometimes it causes failure for the very first message transfer, that is
usually a device probe.
Hence, set IACK bit after core is enabled to clear pending interrupt.
Fixes: 18f98b1e3147 ("[PATCH] i2c: New bus driver for the OpenCores I2C controller")
Signed-off-by: Grygorii Tertychnyi <grygorii.tertychnyi@leica-geosystems.com>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Cc: stable@vger.kernel.org
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
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schema
The referenced i2c-controller.yaml schema is provided by dtschema
package (outside of Linux kernel), so use full path to reference it.
Cc: stable@vger.kernel.org
Fixes: 1acd4577a66f ("dt-bindings: i2c: convert i2c-cros-ec-tunnel to json-schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
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The referenced i2c-controller.yaml schema is provided by dtschema
package (outside of Linux kernel), so use full path to reference it.
Cc: stable@vger.kernel.org
Fixes: 7ea75dd386be ("dt-bindings: i2c: convert i2c-at91 to json-schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.10, take #2
- Fix dangling references to a redistributor region if
the vgic was prematurely destroyed.
- Properly mark FFA buffers as released, ensuring that
both parties can make forward progress.
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Function kvm_reset_dirty_gfn may be called with parameters cur_slot /
cur_offset / mask are all zero, it does not represent real dirty page.
It is not necessary to clear dirty page in this condition. Also return
value of macro __fls() is undefined if mask is zero which is called in
funciton kvm_reset_dirty_gfn(). Here just return.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Message-ID: <20240613122803.1031511-1-maobibo@loongson.cn>
[Move the conditional inside kvm_reset_dirty_gfn; suggested by
Sean Christopherson. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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If kvm_gmem_get_pfn() detects an hwpoisoned page, it returns -EHWPOISON
but it does not put back the reference that kvm_gmem_get_folio() had
grabbed. Add the forgotten folio_put().
Fixes: a7800aa80ea4 ("KVM: Add KVM_CREATE_GUEST_MEMFD ioctl() for guest-specific backing memory")
Cc: stable@vger.kernel.org
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>
Reviewed-by: Isaku Yamahata <isaku.yamahata@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Currently we return the value from invoke_psci_fn() directly as return
value from psci_system_suspend(). It is wrong to send the PSCI interface
return value directly. psci_to_linux_errno() provide the mapping from
PSCI return value to the one that can be returned to the callers within
the kernel.
Use psci_to_linux_errno() to convert and return the correct value from
psci_system_suspend().
Fixes: faf7ec4a92c0 ("drivers: firmware: psci: add system suspend support")
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20240515095528.1949992-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://github.com/sophgo/linux into arm/fixes
RISC-V Sophgo Devicetree fixes for v6.10-rc4
Just one minor fix to disable write protect for milkv-duo because it
does not have write-protect pin.
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
* tag 'riscv-sophgo-dt-fixes-for-v6.10-rc4' of https://github.com/sophgo/linux:
riscv: dts: sophgo: disable write-protection for milkv duo
Link: https://lore.kernel.org/r/MA0P287MB28226E34D9390B311201B7C4FECF2@MA0P287MB2822.INDP287.PROD.OUTLOOK.COM
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 6.10:
- Fix GPIO number for reg_usdhc2_vmmc on imx8qm-mek board.
- Enable hysteresis for SODIMM_17 pin on imx8mm-verdin board to increase
immunity against noise.
- Remove 'no-sdio' property for uSDHC2 on imx93-11x11-evk board, so that
SDIO cards could also work.
- Fix BT shutdown GPIO for imx8mp-venice-gw73xx-2x board.
- Fix panel node deleting on imx53-qsb-hdmi, as /delete-node/ directive
doesn't really delete a node in a DT overlay.
- Fix TC9595 input clock on DH i.MX8M Plus DHCOM SoM.
- Fix GPU speed for imx8mm-verdin board by enabling overdrive mode in
the SOM dtsi.
* tag 'imx-fixes-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: imx8qm-mek: fix gpio number for reg_usdhc2_vmmc
arm64: dts: freescale: imx8mm-verdin: enable hysteresis on slow input pin
arm64: dts: imx93-11x11-evk: Remove the 'no-sdio' property
arm64: dts: freescale: imx8mp-venice-gw73xx-2x: fix BT shutdown GPIO
arm: dts: imx53-qsb-hdmi: Disable panel instead of deleting node
arm64: dts: imx8mp: Fix TC9595 input clock on DH i.MX8M Plus DHCOM SoM
arm64: dts: freescale: imx8mm-verdin: Fix GPU speed
Link: https://lore.kernel.org/r/Zm+xVUmFtaOnYBb4@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Move the reference pid from the cifs_io_subrequest struct to the
cifs_io_request struct as it's the same for all subreqs of a particular
request.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
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In cifs, only pick a channel when setting up a read request rather than
doing so individually for every subrequest and instead use that channel for
all. This mirrors what the code in v6.9 does.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
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Defer read completion from the I/O thread to the cifsiod thread so as not
to slow down the I/O thread. This restores the behaviour of v6.9.
Fixes: 3ee1a1fc3981 ("cifs: Cut over to using netfslib")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix potential infinite loop when doing block grou reclaim
- fix crash on emulated zoned device and NOCOW files
* tag 'for-6.10-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: zoned: allocate dummy checksums for zoned NODATASUM writes
btrfs: retry block group reclaim without infinite loop
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Some allocations done by KVM are temporary, they are created as result
of program actions, but can't exists for arbitrary long times.
They should have been GFP_TEMPORARY (rip!).
OTOH, kvm-nx-lpage-recovery and kvm-pit kernel threads exist for as long
as VM exists but their task_struct memory is not accounted.
This is story for another day.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Message-ID: <c0122f66-f428-417e-a360-b25fc0f154a0@p183>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Drop Wanpeng as a KVM PARAVIRT reviewer as his @tencent.com email is
bouncing, and according to lore[*], the last activity from his @gmail.com
address was almost two years ago.
[*] https://lore.kernel.org/all/CANRm+Cwj29M9HU3=JRUOaKDR+iDKgr0eNMWQi0iLkR5THON-bg@mail.gmail.com
Cc: Wanpeng Li <kernellwp@gmail.com>
Cc: Like Xu <like.xu.linux@gmail.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20240610163427.3359426-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Sync pending posted interrupts to the IRR prior to re-scanning I/O APIC
routes, irrespective of whether the I/O APIC is emulated by userspace or
by KVM. If a level-triggered interrupt routed through the I/O APIC is
pending or in-service for a vCPU, KVM needs to intercept EOIs on said
vCPU even if the vCPU isn't the destination for the new routing, e.g. if
servicing an interrupt using the old routing races with I/O APIC
reconfiguration.
Commit fceb3a36c29a ("KVM: x86: ioapic: Fix level-triggered EOI and
userspace I/OAPIC reconfigure race") fixed the common cases, but
kvm_apic_pending_eoi() only checks if an interrupt is in the local
APIC's IRR or ISR, i.e. misses the uncommon case where an interrupt is
pending in the PIR.
Failure to intercept EOI can manifest as guest hangs with Windows 11 if
the guest uses the RTC as its timekeeping source, e.g. if the VMM doesn't
expose a more modern form of time to the guest.
Cc: stable@vger.kernel.org
Cc: Adamos Ttofari <attofari@amazon.de>
Cc: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20240611014845.82795-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless, bpf and netfilter.
Happy summer solstice! The line count is a bit inflated by a selftest
and update to a driver's FW interface header, in reality this is
slightly below average for us. We are expecting one driver fix from
Intel, but there are no big known issues.
Current release - regressions:
- ipv6: bring NLM_DONE out to a separate recv() again
Current release - new code bugs:
- wifi: cfg80211: wext: set ssids=NULL for passive scans via old wext API
Previous releases - regressions:
- wifi: mac80211: fix monitor channel setting with chanctx emulation
(probably most awaited of the fixes in this PR, tracked by Thorsten)
- usb: ax88179_178a: bring back reset on init, if PHY is disconnected
- bpf: fix UML x86_64 compile failure with BPF
- bpf: avoid splat in pskb_pull_reason(), sanity check added can be hit
with malicious BPF
- eth: mvpp2: use slab_build_skb() for packets in slab, driver was
missed during API refactoring
- wifi: iwlwifi: add missing unlock of mvm mutex
Previous releases - always broken:
- ipv6: add a number of missing null-checks for in6_dev_get(), in case
IPv6 disabling races with the datapath
- bpf: fix reg_set_min_max corruption of fake_reg
- sched: act_ct: add netns as part of the key of tcf_ct_flow_table"
* tag 'net-6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (63 commits)
net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings
selftests: virtio_net: add forgotten config options
bnxt_en: Restore PTP tx_avail count in case of skb_pad() error
bnxt_en: Set TSO max segs on devices with limits
bnxt_en: Update firmware interface to 1.10.3.44
net: stmmac: Assign configured channel value to EXTTS event
net: do not leave a dangling sk pointer, when socket creation fails
net/tcp_ao: Don't leak ao_info on error-path
ice: Fix VSI list rule with ICE_SW_LKUP_LAST type
ipv6: bring NLM_DONE out to a separate recv() again
selftests: add selftest for the SRv6 End.DX6 behavior with netfilter
selftests: add selftest for the SRv6 End.DX4 behavior with netfilter
netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core
seg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors
netfilter: ipset: Fix suspicious rcu_dereference_protected()
selftests: openvswitch: Set value to nla flags.
octeontx2-pf: Fix linking objects into multiple modules
octeontx2-pf: Add error handling to VLAN unoffload handling
virtio_net: fixing XDP for fully checksummed packets handling
virtio_net: checksum offloading handling fix
...
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In the aspeed UDC setup, we configure the UDC hardware with the assigned
USB device address.
However, we have an off-by-one in the bitmask, so we're only setting the
lower 6 bits of the address (USB addresses being 7 bits, and the
hardware bitmask being bits 0:6).
This means that device enumeration fails if the assigned address is
greater than 64:
[ 344.607255] usb 1-1: new high-speed USB device number 63 using ehci-platform
[ 344.808459] usb 1-1: New USB device found, idVendor=cc00, idProduct=cc00, bcdDevice= 6.10
[ 344.817684] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 344.825671] usb 1-1: Product: Test device
[ 344.831075] usb 1-1: Manufacturer: Test vendor
[ 344.836335] usb 1-1: SerialNumber: 00
[ 349.917181] usb 1-1: USB disconnect, device number 63
[ 352.036775] usb 1-1: new high-speed USB device number 64 using ehci-platform
[ 352.249432] usb 1-1: device descriptor read/all, error -71
[ 352.696740] usb 1-1: new high-speed USB device number 65 using ehci-platform
[ 352.909431] usb 1-1: device descriptor read/all, error -71
Use the correct mask of 0x7f (rather than 0x3f), and generate this
through the GENMASK macro, so we have numbers that correspond exactly
to the hardware register definition.
Fixes: 055276c13205 ("usb: gadget: add Aspeed ast2600 udc driver")
Cc: stable@vger.kernel.org
Reviewed-by: Neal Liu <neal_liu@aspeedtech.com>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20240613-aspeed-udc-v2-1-29501ce9cb7a@codeconstruct.com.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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avoid deadlock
When config CONFIG_USB_DWC3_DUAL_ROLE is selected, and trigger system
to enter suspend status with below command:
echo mem > /sys/power/state
There will be a deadlock issue occurring. Detailed invoking path as
below:
dwc3_suspend_common()
spin_lock_irqsave(&dwc->lock, flags); <-- 1st
dwc3_gadget_suspend(dwc);
dwc3_gadget_soft_disconnect(dwc);
spin_lock_irqsave(&dwc->lock, flags); <-- 2nd
This issue is exposed by commit c7ebd8149ee5 ("usb: dwc3: gadget: Fix
NULL pointer dereference in dwc3_gadget_suspend") that removes the code
of checking whether dwc->gadget_driver is NULL or not. It causes the
following code is executed and deadlock occurs when trying to get the
spinlock. In fact, the root cause is the commit 5265397f9442("usb: dwc3:
Remove DWC3 locking during gadget suspend/resume") that forgot to remove
the lock of otg mode. So, remove the redundant lock of otg mode during
gadget suspend/resume.
Fixes: 5265397f9442 ("usb: dwc3: Remove DWC3 locking during gadget suspend/resume")
Cc: Xu Yang <xu.yang_2@nxp.com>
Cc: stable@vger.kernel.org
Signed-off-by: Meng Li <Meng.Li@windriver.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240618031918.2585799-1-Meng.Li@windriver.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The device_for_each_child_node() macro requires explicit calls to
fwnode_handle_put() in all early exits of the loop if the child node is
not required outside. Otherwise, the child node's refcount is not
decremented and the resource is not released.
The current implementation of pmic_glink_ucsi_probe() makes use of the
device_for_each_child_node(), but does not release the child node on
early returns. Add the missing calls to fwnode_handle_put().
Cc: stable@vger.kernel.org
Fixes: c6165ed2f425 ("usb: ucsi: glink: use the connector orientation GPIO to provide switch events")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240613-ucsi-glink-release-node-v1-1-f7629a56f70a@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Call usb_phy_generic_unregister() if of_platform_populate() fails.
Fixes: d6299b6efbf6 ("usb: musb: Add support of CPPI 4.1 DMA controller to DA8xx")
Cc: stable <stable@kernel.org>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/69af1b1d-d3f4-492b-bcea-359ca5949f30@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some LG Gram laptops report a bogus connector change event after a
GET_PDOS command for the partner's source PDOs, which disappears from
the CCI after acknowledging the command. However, the subsequent
GET_CONNECTOR_STATUS in ucsi_handle_connector_change() still reports
this bogus change in bits 5 and 6, leading to the UCSI core re-checking
the partner's source PDOs and thus to an infinite loop.
Fix this by adding a quirk that signals when a potentially buggy GET_PDOS
command is used, checks the status change report and clears it if it is a
bogus event before sending it to the UCSI core.
Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240612-gram_quirk-v1-1-52b0ff0e1546@tecnico.ulisboa.pt
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sometimes errors are seen, when doing DR swap, like:
[ 24.672481] ucsi-stm32g0-i2c 0-0035: UCSI_GET_PDOS failed (-5)
[ 24.720188] ucsi-stm32g0-i2c 0-0035: ucsi_handle_connector_change:
GET_CONNECTOR_STATUS failed (-5)
There may be some race, which lead to read CCI, before the command complete
flag is set, hence returning -EIO. Similar fix has been done also in
ucsi_acpi [1].
In case of a spurious or otherwise delayed notification it is
possible that CCI still reports the previous completion. The
UCSI spec is aware of this and provides two completion bits in
CCI, one for normal commands and one for acks. As acks and commands
alternate the notification handler can determine if the completion
bit is from the current command.
To fix this add the ACK_PENDING bit for ucsi_stm32g0 and only complete
commands if the completion bit matches.
[1] https://lore.kernel.org/lkml/20240121204123.275441-3-lk@c--e.de/
Fixes: 72849d4fcee7 ("usb: typec: ucsi: stm32g0: add support for stm32g0 controller")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/stable/20240612124656.2305603-1-fabrice.gasnier%40foss.st.com
Cc: stable <stable@kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240612124656.2305603-1-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Syzbot is still reporting quite an old issue [1] that occurs due to
incomplete checking of present usb endpoints. As such, wrong
endpoints types may be used at urb sumbitting stage which in turn
triggers a warning in usb_submit_urb().
Fix the issue by verifying that required endpoint types are present
for both in and out endpoints, taking into account cmd endpoint type.
Unfortunately, this patch has not been tested on real hardware.
[1] Syzbot report:
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 8667 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502
Modules linked in:
CPU: 0 PID: 8667 Comm: kworker/0:4 Not tainted 5.14.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502
...
Call Trace:
cxacru_cm+0x3c0/0x8e0 drivers/usb/atm/cxacru.c:649
cxacru_card_status+0x22/0xd0 drivers/usb/atm/cxacru.c:760
cxacru_bind+0x7ac/0x11a0 drivers/usb/atm/cxacru.c:1209
usbatm_usb_probe+0x321/0x1ae0 drivers/usb/atm/usbatm.c:1055
cxacru_usb_probe+0xdf/0x1e0 drivers/usb/atm/cxacru.c:1363
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3354
usb_set_configuration+0x113a/0x1910 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
Reported-and-tested-by: syzbot+00c18ee8497dd3be6ade@syzkaller.appspotmail.com
Fixes: 902ffc3c707c ("USB: cxacru: Use a bulk/int URB to access the command endpoint")
Cc: stable <stable@kernel.org>
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Link: https://lore.kernel.org/r/20240609131546.3932-1-n.zhandarovich@fintech.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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printer_read() and printer_write() guard against the race
against disable() by checking the dev->interface flag,
which in turn is guarded by a spinlock.
These functions, however, drop the lock on multiple occasions.
This means that the test has to be redone after reacquiring
the lock and before doing IO.
Add the tests.
This also addresses CVE-2024-25741
Fixes: 7f2ca14d2f9b9 ("usb: gadget: function: printer: Interface is disabled and returns error")
Cc: stable <stable@kernel.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20240620114039.5767-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need to treat super speed plus as super speed, not the default,
which is full speed.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20240620093800.28901-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Lots of small HD-audio quirks and fixes (mostly Realtek codec and
Cirrus stuff).
Also a small MIDI 2.0 fix and a fix for missing module description
are included"
* tag 'sound-6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda: cs35l56: Select SERIAL_MULTI_INSTANTIATE
ALSA: hda/realtek: Add more codec ID to no shutup pins list
sound/oss/dmasound: add missing MODULE_DESCRIPTION() macro
ALSA: hda/realtek: Add quirk for Lenovo Yoga Pro 7 14ARP8
ALSA: hda/realtek: Enable headset mic on IdeaPad 330-17IKB 81DM
ALSA: hda: tas2781: Component should be unbound before deconstruction
ALSA: hda: cs35l41: Component should be unbound before deconstruction
ALSA: hda: cs35l56: Component should be unbound before deconstruction
ALSA/hda: intel-dsp-config: Document AVS as dsp_driver option
ALSA: hda/realtek: Support Lenovo Thinkbook 13x Gen 4
ALSA: hda/realtek: Support Lenovo Thinkbook 16P Gen 5
ALSA: hda: cs35l41: Support Lenovo Thinkbook 13x Gen 4
ALSA: hda: cs35l41: Support Lenovo Thinkbook 16P Gen 5
ALSA: hda/realtek: Remove Framework Laptop 16 from quirks
ALSA: hda/realtek: Limit mic boost on N14AP7
ALSA: hda/realtek: fix mute/micmute LEDs don't work for ProBook 445/465 G11.
ALSA: seq: ump: Fix missing System Reset message handling
ALSA: hda: cs35l41: Possible null pointer dereference in cs35l41_hda_unbind()
ALSA: hda: cs35l56: Fix lifecycle of codec pointer
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make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/nvme/host/nvme-apple.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull mfd fix from Lee Jones:
- Fix AXP717 PMIC probe and by extension its consumers
* tag 'mfd-fixes-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: axp20x: AXP717: Fix missing IRQ status registers range
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As the driver supports more devices over time the single MODULE_ALIAS
is complete and raises several warnings:
SPI driver ads7846 has no spi_device_id for ti,tsc2046
SPI driver ads7846 has no spi_device_id for ti,ads7843
SPI driver ads7846 has no spi_device_id for ti,ads7845
SPI driver ads7846 has no spi_device_id for ti,ads7873
Fix this by adding a spi_device_id table and removing the manual
MODULE_ALIAS.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20240619122703.2081476-1-alexander.stein@ew.tq-group.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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priv->pdev pointer was set after being used in
fsl_asoc_card_audmux_init().
Move this assignment at the start of the probe function, so
sub-functions can correctly use pdev through priv.
fsl_asoc_card_audmux_init() dereferences priv->pdev to get access to the
dev struct, used with dev_err macros.
As priv is zero-initialised, there would be a NULL pointer dereference.
Note that if priv->dev is dereferenced before assignment but never used,
for example if there is no error to be printed, the driver won't crash
probably due to compiler optimisations.
Fixes: 708b4351f08c ("ASoC: fsl: Add Freescale Generic ASoC Sound Card with ASRC support")
Signed-off-by: Elinor Montmasson <elinor.montmasson@savoirfairelinux.com>
Link: https://patch.msgid.link/20240620132511.4291-2-elinor.montmasson@savoirfairelinux.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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sdhci_check_ro() can call mmc_gpio_get_ro() while holding the sdhci
host->lock spinlock. That would be a problem if the GPIO access done by
mmc_gpio_get_ro() needed to sleep.
However, host->lock is not needed anyway. The mmc core ensures that host
operations do not race with each other, and asynchronous callbacks like the
interrupt handler, software timeouts, completion work etc, cannot affect
sdhci_check_ro().
So remove the locking.
Fixes: 6d5cd068ee59 ("mmc: sdhci: use WP GPIO in sdhci_check_ro()")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240614080051.4005-3-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_of_parse() reads device property "wp-inverted" and sets
MMC_CAP2_RO_ACTIVE_HIGH if it is true. MMC_CAP2_RO_ACTIVE_HIGH is used
to invert a write-protect (AKA read-only) GPIO value.
sdhci_get_property() also reads "wp-inverted" and sets
SDHCI_QUIRK_INVERTED_WRITE_PROTECT which is used to invert the
write-protect value as well but also acts upon a value read out from the
SDHCI_PRESENT_STATE register.
Many drivers call both mmc_of_parse() and sdhci_get_property(),
so that both MMC_CAP2_RO_ACTIVE_HIGH and
SDHCI_QUIRK_INVERTED_WRITE_PROTECT will be set if the controller has
device property "wp-inverted".
Amend the logic in sdhci_check_ro() to allow for that possibility,
so that the write-protect value is not inverted twice.
Also do not invert the value if it is a negative error value. Note that
callers treat an error the same as not-write-protected, so the result is
functionally the same in that case.
Also do not invert the value if sdhci host operation ->get_ro() is used.
None of the users of that callback set SDHCI_QUIRK_INVERTED_WRITE_PROTECT
directly or indirectly, but two do call mmc_gpio_get_ro(), so leave it to
them to deal with that if they ever set SDHCI_QUIRK_INVERTED_WRITE_PROTECT
in the future.
Fixes: 6d5cd068ee59 ("mmc: sdhci: use WP GPIO in sdhci_check_ro()")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240614080051.4005-2-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
|
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This functions retrieves values by passing a pointer. As the function
that retrieves them can fail before touching the pointers, the variables
must be initialized.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: syzbot+5186630949e3c55f0799@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20240619132816.11526-1-oneukum@suse.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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One may use tools/testing/selftests/drivers/net/virtio_net/config
for example for vng build command like this one:
$ vng -v -b -f tools/testing/selftests/drivers/net/virtio_net/config
In that case, the needed kernel config options are not turned on.
Add the missed kernel config options.
Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/netdev/20240617072614.75fe79e7@kernel.org/
Reported-by: Matthieu Baerts <matttbe@kernel.org>
Closes: https://lore.kernel.org/netdev/1a63f209-b1d4-4809-bc30-295a5cafa296@kernel.org/
Fixes: ccfaed04db5e ("selftests: virtio_net: add initial tests")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20240619061748.1869404-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Michael Chan says:
====================
bnxt_en: Bug fixes for net
The first firmware interface update is needed by the second patch to
limit the number of TSO segments on the 5760X chips. The third patch
fixes the TX error path for PTP packets.
====================
Link: https://lore.kernel.org/r/20240618215313.29631-1-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The current code only restores PTP tx_avail count when we get DMA
mapping errors. Fix it so that the PTP tx_avail count will be
restored for both DMA mapping errors and skb_pad() errors.
Otherwise PTP TX timestamp will not be available after a PTP
packet hits the skb_pad() error.
Fixes: 83bb623c968e ("bnxt_en: Transmit and retrieve packet timestamps")
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240618215313.29631-4-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Firmware will now advertise a non-zero TSO max segments if the
device has a limit. 0 means no limit. The latest 5760X chip
(early revs) has a limit of 2047 that cannot be exceeded. If
exceeded, the chip will send out just a small number of segments.
Call netif_set_tso_max_segs() if the device has a limit.
Fixes: 2012a6abc876 ("bnxt_en: Add 5760X (P7) PCI IDs")
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20240618215313.29631-3-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The relevant change is the max_tso_segs value returned by firmware
in the HWRM_FUNC_QCAPS response. This value will be used in the next
patch to cap the TSO segments.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20240618215313.29631-2-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
With CONFIG_READ_ONLY_THP_FOR_FS, the Linux kernel supports using THPs
for read-only mmapped files, such as shared libraries. However, the
kernel makes no attempt to actually align those mappings on 2MB
boundaries, which makes it impossible to use those THPs most of the
time. This issue applies to general file mapping THP as well as
existing setups using CONFIG_READ_ONLY_THP_FOR_FS. This is easily
fixed by using thp_get_unmapped_area for the unmapped_area function
in bcachefs, which is what ext2, ext4, fuse, xfs and btrfs all use.
Similar to commit b0c582233a85 ("btrfs: fix alignment of VMA for
memory mapped files on THP").
Signed-off-by: Youling Tang <tangyouling@kylinos.cn>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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i.e. the start of automatic self healing:
If errors=continue or fix_safe, we now automatically fix simple errors
without user intervention.
New error action option: fix_safe
This replaces the existing errors=ro option, which gets a new slot, i.e.
existing errors=ro users now get errors=fix_safe.
This is currently only enabled for a limited set of errors - initially
just disk accounting; errors we would never not want to fix, and we
don't want to require user intervention (i.e. to make sure a bug report
gets filed).
Errors will still be counted in the superblock, so we (developers) will
still know they've been occuring if a bug report gets filed (as bug
reports typically include the errors superblock section).
Eventually we'll be enabling this for a much wider set of errors, after
we've done thorough error injection testing.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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In io_import_fixed when advancing the iter within the first bvec, the
iter->nr_segs is set to bvec->bv_len. nr_segs should be the number of
bvecs, plus we don't need to adjust it here, so just remove it.
Fixes: b000ae0ec2d7 ("io_uring/rsrc: optimise single entry advance")
Signed-off-by: Chenliang Li <cliang01.li@samsung.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/20240619063819.2445-1-cliang01.li@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
