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2022-03-28Merge tag 'microblaze-v5.18' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds4-55/+2
Pull microblaze updates from Michal Simek: - Small fixups - Remove unused pci_phys_mem_access_prot() * tag 'microblaze-v5.18' of git://git.monstr.eu/linux-2.6-microblaze: microblaze/PCI: Remove pci_phys_mem_access_prot() dead code microblaze: add const to of_device_id microblaze: fix typo in a comment
2022-03-28net: move net_unlink_todo() out of the headerJohannes Berg2-10/+10
There's no reason for this to be in netdevice.h, it's all just used in dev.c. Also make it no longer inline and let the compiler decide to do that by itself. Signed-off-by: Johannes Berg <[email protected]> Link: https://lore.kernel.org/r/20220325225023.f49b9056fe1c.I6b901a2df00000837a9bd251a8dd259bd23f5ded@changeid Signed-off-by: Jakub Kicinski <[email protected]>
2022-03-28net: dsa: bcm_sf2_cfp: fix an incorrect NULL check on list iteratorXiaomeng Tong1-3/+3
The bug is here: return rule; The list iterator value 'rule' will *always* be set and non-NULL by list_for_each_entry(), so it is incorrect to assume that the iterator value will be NULL if the list is empty or no element is found. To fix the bug, return 'rule' when found, otherwise return NULL. Fixes: ae7a5aff783c7 ("net: dsa: bcm_sf2: Keep copy of inserted rules") Reviewed-by: Vladimir Oltean <[email protected]> Reviewed-by: Florian Fainelli <[email protected]> Signed-off-by: Xiaomeng Tong <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-03-28Merge tag 'livepatching-for-5.18' of ↵Linus Torvalds5-8/+32
git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching Pull livepatching updates from Petr Mladek: - Forced transitions block only to-be-removed livepatches [Chengming] - Detect when ftrace handler could not be disabled in self-tests [David] - Calm down warning from a static analyzer [Tom] * tag 'livepatching-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching: livepatch: Reorder to use before freeing a pointer livepatch: Don't block removal of patches that are safe to unload livepatch: Skip livepatch tests if ftrace cannot be configured
2022-03-28Documentation: kunit: Fix cross-referencing warningsDavid Gow1-11/+2
The Architecture chapter of the KUnit documentation tried to include copies of the kernel-doc for a couple of things, despite these already existing in the API documentation. This lead to some warnings: architecture:31: ./include/kunit/test.h:3: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:66. Declaration is '.. c:struct:: kunit_case'. architecture:163: ./include/kunit/test.h:1217: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:1217. Declaration is '.. c:macro:: KUNIT_ARRAY_PARAM'. architecture.rst:3: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:66. Declaration is '.. c:struct:: kunit_case'. architecture.rst:1217: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:1217. Declaration is '.. c:macro:: KUNIT_ARRAY_PARAM'. Get rid of these, and cleanup the mentions of the struct and macro in question so that sphinx generates a link to the existing copy of the documentation in the api/test document. Fixes: bc145b370c11 ("Documentation: KUnit: Added KUnit Architecture") Signed-off-by: David Gow <[email protected]> Reviewed-by: Brendan Higgins <[email protected]> Tested-by: Brendan Higgins <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2022-03-28Merge tag 'for-linus-5.18-rc1-tag' of ↵Linus Torvalds26-193/+94
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen updates from Juergen Gross: - A bunch of minor cleanups - A fix for kexec in Xen dom0 when executed on a high cpu number - A fix for resuming after suspend of a Xen guest with assigned PCI devices - A fix for a crash due to not disabled preemption when resuming as Xen dom0 * tag 'for-linus-5.18-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: fix is_xen_pmu() xen: don't hang when resuming PCI device arch:x86:xen: Remove unnecessary assignment in xen_apic_read() xen/grant-table: remove readonly parameter from functions xen/grant-table: remove gnttab_*transfer*() functions drivers/xen: use helper macro __ATTR_RW x86/xen: Fix kerneldoc warning xen: delay xen_hvm_init_time_ops() if kdump is boot on vcpu>=32 xen: use time_is_before_eq_jiffies() instead of open coding it
2022-03-28s390/alternatives: avoid using jgnop mnemonicVasily Gorbik2-2/+2
jgnop mnemonic is only available since binutils 2.36, kernel minimal required version is 2.23. Stick to brcl to avoid build errors. Reported-by: Nathan Chancellor <[email protected]> Fixes: 4afeb670710e ("s390/alternatives: use instructions instead of byte patterns") Signed-off-by: Vasily Gorbik <[email protected]>
2022-03-28vdpa/mlx5: Avoid processing works if workqueue was destroyedEli Cohen1-2/+5
If mlx5_vdpa gets unloaded while a VM is running, the workqueue will be destroyed. However, vhost might still have reference to the kick function and might attempt to push new works. This could lead to null pointer dereference. To fix this, set mvdev->wq to NULL just before destroying and verify that the workqueue is not NULL in mlx5_vdpa_kick_vq before attempting to push a new work. Fixes: 5262912ef3cf ("vdpa/mlx5: Add support for control VQ and MAC setting") Signed-off-by: Eli Cohen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28vhost: handle error while adding split ranges to iotlbAnirudh Rayabharam1-1/+5
vhost_iotlb_add_range_ctx() handles the range [0, ULONG_MAX] by splitting it into two ranges and adding them separately. The return value of adding the first range to the iotlb is currently ignored. Check the return value and bail out in case of an error. Signed-off-by: Anirudh Rayabharam <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Fixes: e2ae38cf3d91 ("vhost: fix hung thread due to erroneous iotlb entries") Reviewed-by: Stefano Garzarella <[email protected]>
2022-03-28vdpa: support exposing the count of vqs to userspaceLongpeng2-0/+16
- GET_VQS_COUNT: the count of virtqueues that exposed Signed-off-by: Longpeng <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Acked-by: Jason Wang <[email protected]> Signed-off-by: Longpeng &lt;<a href="mailto:[email protected]" target="_blank">[email protected]</a>&gt;<br> Reviewed-by: Stefano Garzarella <[email protected]>
2022-03-28vdpa: change the type of nvqs to u32Longpeng3-10/+12
Change vdpa_device.nvqs and vhost_vdpa.nvqs to use u32 Signed-off-by: Longpeng <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Acked-by: Jason Wang <[email protected]> Signed-off-by: Longpeng &lt;<a href="mailto:[email protected]" target="_blank">[email protected]</a>&gt;<br></blockquote><div><br></div><div>Acked-by: Jason Wang &lt;<a href="mailto:[email protected]">[email protected]</a>&gt;</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> Reviewed-by: Stefano Garzarella <[email protected]>
2022-03-28vdpa: support exposing the config size to userspaceLongpeng3-1/+23
- GET_CONFIG_SIZE: return the size of the virtio config space. The size contains the fields which are conditional on feature bits. Acked-by: Jason Wang <[email protected]> Signed-off-by: Longpeng <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Reviewed-by: Stefano Garzarella <[email protected]>
2022-03-28vdpa/mlx5: re-create forwarding rules after mac modifiedMichael Qiu1-1/+44
When MAC Address has been modified in guest, we only re-add the Mac to mpfs, it is not enough, because the guest network will not work correctly: the reply package from outside will go straight away to the host VF net interface. This patch recreate the flow rules, and make it work correctly. Signed-off-by: Michael Qiu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Reviewed-by: Eli Cohen <[email protected]>
2022-03-28virtio: pci: check bar values read from virtio config spaceKeir Fraser2-4/+17
virtio pci config structures may in future have non-standard bar values in the bar field. We should anticipate this by skipping any structures containing such a reserved value. The bar value should never change: check for harmful modified values we re-read it from the config space in vp_modern_map_capability(). Also clean up an existing check to consistently use PCI_STD_NUM_BARS. Signed-off-by: Keir Fraser <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28Revert "virtio_pci: harden MSI-X interrupts"Jason Wang4-32/+12
This reverts commit 9e35276a5344f74d4a3600fc4100b3dd251d5c56. Issue were reported for the drivers that are using affinity managed IRQ where manually toggling IRQ status is not expected. And we forget to enable the interrupts in the restore path as well. In the future, we will rework on the interrupt hardening. Fixes: 9e35276a5344 ("virtio_pci: harden MSI-X interrupts") Reported-by: Marc Zyngier <[email protected]> Reported-by: Stefano Garzarella <[email protected]> Signed-off-by: Jason Wang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28Revert "virtio-pci: harden INTX interrupts"Jason Wang2-22/+2
This reverts commit 080cd7c3ac8701081d143a15ba17dd9475313188. Since the MSI-X interrupts hardening will be reverted in the next patch. We will rework the interrupt hardening in the future. Fixes: 080cd7c3ac87 ("virtio-pci: harden INTX interrupts") Signed-off-by: Jason Wang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28drivers/net/virtio_net: Added RSS hash report control.Andrew Melnychenko1-1/+140
Now it's possible to control supported hashflows. Added hashflow set/get callbacks. Also, disabling RXH_IP_SRC/DST for TCP would disable then for UDP. TCP and UDP supports only: ethtool -U eth0 rx-flow-hash tcp4 sd RXH_IP_SRC + RXH_IP_DST ethtool -U eth0 rx-flow-hash tcp4 sdfn RXH_IP_SRC + RXH_IP_DST + RXH_L4_B_0_1 + RXH_L4_B_2_3 Disabling happens because VirtioNET hashtype for IP doesn't check L4 proto, it works for all IP packets(TCP, UDP, ICMP, etc.). For TCP and UDP, it's possible to set IP+PORT hashes. But disabling IP hashes will disable them for TCP and UDP simultaneously. It's possible to set IP+PORT for TCP/UDP and disable/enable IP for everything else(UDP, ICMP, etc.). Signed-off-by: Andrew Melnychenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28drivers/net/virtio_net: Added RSS hash report.Andrew Melnychenko1-6/+49
Added features for RSS hash report. If hash is provided - it sets to skb. Added checks if rss and/or hash are enabled together. Signed-off-by: Andrew Melnychenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28drivers/net/virtio_net: Added basic RSS support.Andrew Melnychenko1-6/+186
Added features for RSS. Added initialization, RXHASH feature and ethtool ops. By default RSS/RXHASH is disabled. Virtio RSS "IPv6 extensions" hashes disabled. Added ethtools ops to set key and indirection table. Signed-off-by: Andrew Melnychenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28drivers/net/virtio_net: Fixed padded vheader to use v1 with hash.Andrew Melnychenko1-5/+6
The header v1 provides additional info about RSS. Added changes to computing proper header length. In the next patches, the header may contain RSS hash info for the hash population. Signed-off-by: Andrew Melnychenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28virtio: use virtio_device_ready() in virtio_device_restore()Stefano Garzarella1-2/+3
After waking up a suspended VM, the kernel prints the following trace for virtio drivers which do not directly call virtio_device_ready() in the .restore: PM: suspend exit irq 22: nobody cared (try booting with the "irqpoll" option) Call Trace: <IRQ> dump_stack_lvl+0x38/0x49 dump_stack+0x10/0x12 __report_bad_irq+0x3a/0xaf note_interrupt.cold+0xb/0x60 handle_irq_event+0x71/0x80 handle_fasteoi_irq+0x95/0x1e0 __common_interrupt+0x6b/0x110 common_interrupt+0x63/0xe0 asm_common_interrupt+0x1e/0x40 ? __do_softirq+0x75/0x2f3 irq_exit_rcu+0x93/0xe0 sysvec_apic_timer_interrupt+0xac/0xd0 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch_cpu_idle+0x12/0x20 default_idle_call+0x39/0xf0 do_idle+0x1b5/0x210 cpu_startup_entry+0x20/0x30 start_secondary+0xf3/0x100 secondary_startup_64_no_verify+0xc3/0xcb </TASK> handlers: [<000000008f9bac49>] vp_interrupt [<000000008f9bac49>] vp_interrupt Disabling IRQ #22 This happens because we don't invoke .enable_cbs callback in virtio_device_restore(). That callback is used by some transports (e.g. virtio-pci) to enable interrupts. Let's fix it, by calling virtio_device_ready() as we do in virtio_dev_probe(). This function calls .enable_cts callback and sets DRIVER_OK status bit. This fix also avoids setting DRIVER_OK twice for those drivers that call virtio_device_ready() in the .restore. Fixes: d50497eb4e55 ("virtio_config: introduce a new .enable_cbs method") Signed-off-by: Stefano Garzarella <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28tools/virtio: compile with -pthreadMichael S. Tsirkin1-1/+2
When using pthreads, one has to compile and link with -lpthread, otherwise e.g. glibc is not guaranteed to be reentrant. This replaces -lpthread. Reported-by: Matthew Wilcox <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28tools/virtio: fix after premapped buf supportMichael S. Tsirkin1-2/+2
Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28virtio_ring: remove flags check for unmap packed indirect descXuan Zhuo1-13/+5
When calling vring_unmap_desc_packed(), it will not encounter the situation that the flags contains VRING_DESC_F_INDIRECT. So remove this logic. Signed-off-by: Xuan Zhuo <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28virtio_ring: remove flags check for unmap split indirect descXuan Zhuo1-13/+5
When calling vring_unmap_one_split_indirect(), it will not encounter the situation that the flags contains VRING_DESC_F_INDIRECT. So remove this logic. Signed-off-by: Xuan Zhuo <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28virtio_ring: rename vring_unmap_state_packed() to vring_unmap_extra_packed()Xuan Zhuo1-9/+8
The actual parameter handled by vring_unmap_state_packed() is that vring_desc_extra, so this function should use "extra" instead of "state". Signed-off-by: Xuan Zhuo <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28net/mlx5: Add support for configuring max device MTUEli Cohen1-1/+31
Allow an admin creating a vdpa device to specify the max MTU for the net device. For example, to create a device with max MTU of 1000, the following command can be used: $ vdpa dev add name vdpa-a mgmtdev auxiliary/mlx5_core.sf.1 mtu 1000 This configuration mechanism assumes that vdpa is the sole real user of the function. mlx5_core could theoretically change the mtu of the function using the ip command on the mlx5_core net device but this should not be done. Reviewed-by: Si-Wei Liu<[email protected]> Signed-off-by: Eli Cohen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Acked-by: Jason Wang <[email protected]>
2022-03-28virtio-crypto: rename skcipher algszhenwei pi4-9/+9
Suggested by Gonglei, rename virtio_crypto_algs.c to virtio_crypto_skcipher_algs.c. Also minor changes for function name. Thus the function of source files get clear: skcipher services in virtio_crypto_skcipher_algs.c and akcipher services in virtio_crypto_akcipher_algs.c. Signed-off-by: zhenwei pi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Reviewed-by: Gonglei <[email protected]>
2022-03-28virtio-crypto: implement RSA algorithmzhenwei pi6-1/+608
Support rsa & pkcs1pad(rsa,sha1) with priority 150. Test with QEMU built-in backend, it works fine. 1, The self-test framework of crypto layer works fine in guest kernel 2, Test with Linux guest(with asym support), the following script test(note that pkey_XXX is supported only in a newer version of keyutils): - both public key & private key - create/close session - encrypt/decrypt/sign/verify basic driver operation - also test with kernel crypto layer(pkey add/query) All the cases work fine. rm -rf *.der *.pem *.pfx modprobe pkcs8_key_parser # if CONFIG_PKCS8_PRIVATE_KEY_PARSER=m rm -rf /tmp/data dd if=/dev/random of=/tmp/data count=1 bs=226 openssl req -nodes -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -subj "/C=CN/ST=BJ/L=HD/O=qemu/OU=dev/CN=qemu/[email protected]" openssl pkcs8 -in key.pem -topk8 -nocrypt -outform DER -out key.der openssl x509 -in cert.pem -inform PEM -outform DER -out cert.der PRIV_KEY_ID=`cat key.der | keyctl padd asymmetric test_priv_key @s` echo "priv key id = "$PRIV_KEY_ID PUB_KEY_ID=`cat cert.der | keyctl padd asymmetric test_pub_key @s` echo "pub key id = "$PUB_KEY_ID keyctl pkey_query $PRIV_KEY_ID 0 keyctl pkey_query $PUB_KEY_ID 0 echo "Enc with priv key..." keyctl pkey_encrypt $PRIV_KEY_ID 0 /tmp/data enc=pkcs1 >/tmp/enc.priv echo "Dec with pub key..." keyctl pkey_decrypt $PRIV_KEY_ID 0 /tmp/enc.priv enc=pkcs1 >/tmp/dec cmp /tmp/data /tmp/dec echo "Sign with priv key..." keyctl pkey_sign $PRIV_KEY_ID 0 /tmp/data enc=pkcs1 hash=sha1 > /tmp/sig echo "Verify with pub key..." keyctl pkey_verify $PRIV_KEY_ID 0 /tmp/data /tmp/sig enc=pkcs1 hash=sha1 echo "Enc with pub key..." keyctl pkey_encrypt $PUB_KEY_ID 0 /tmp/data enc=pkcs1 >/tmp/enc.pub echo "Dec with priv key..." keyctl pkey_decrypt $PRIV_KEY_ID 0 /tmp/enc.pub enc=pkcs1 >/tmp/dec cmp /tmp/data /tmp/dec echo "Verify with pub key..." keyctl pkey_verify $PUB_KEY_ID 0 /tmp/data /tmp/sig enc=pkcs1 hash=sha1 [1 compiling warning during development] Reported-by: kernel test robot <[email protected]> Co-developed-by: lei he <[email protected]> Signed-off-by: lei he <[email protected]> Signed-off-by: zhenwei pi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Gonglei <[email protected]> Signed-off-by: Nathan Chancellor <[email protected]> #Kconfig tweaks Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28virtio-crypto: introduce akcipher servicezhenwei pi1-1/+80
Introduce asymmetric service definition, asymmetric operations and several well known algorithms. Co-developed-by: lei he <[email protected]> Signed-off-by: lei he <[email protected]> Signed-off-by: zhenwei pi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Reviewed-by: Gonglei <[email protected]>
2022-03-28virtio_crypto: Introduce VIRTIO_CRYPTO_NOSPCzhenwei pi1-0/+1
Base on the lastest virtio crypto spec, define VIRTIO_CRYPTO_NOSPC. Reviewed-by: Gonglei <[email protected]> Signed-off-by: zhenwei pi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28Add definition of VIRTIO_F_IN_ORDER feature bitGautam Dawar1-0/+6
This patch adds the definition of VIRTIO_F_IN_ORDER feature bit in the relevant header file to make it available in QEMU's linux standard header file virtio_config.h, which is updated using scripts/update-linux-headers.sh Signed-off-by: Gautam Dawar <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Acked-by: Jason Wang <[email protected]>
2022-03-28mm/balloon_compaction: make balloon page compaction callbacks staticMiaohe Lin2-25/+3
Since commit b1123ea6d3b3 ("mm: balloon: use general non-lru movable page feature"), these functions are called via balloon_aops callbacks. They're not called directly outside this file. So make them static and clean up the relevant code. Signed-off-by: Miaohe Lin <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Reviewed-by: Muchun Song <[email protected]>
2022-03-28vDPA/ifcvf: cacheline alignment for ifcvf_hwZhu Lingshan2-9/+5
This commit introduces a new cacheline aligned layout for ifcvf_hw. Signed-off-by: Zhu Lingshan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28vDPA/ifcvf: implement shared IRQ featureZhu Lingshan3-57/+300
On some platforms/devices, there may not be enough MSI vectors allocated for the virtqueues and config changes. In such a case, the interrupt sources(virtqueues, config changes) must share an IRQ/vector, to avoid initialization failures, keep the device functional. This commit handles three cases: (1) number of the allocated vectors == the number of virtqueues + 1 (config changes), every virtqueue and the config interrupt has a separated vector/IRQ, the best and the most likely case. (2) number of the allocated vectors is less than the best case, but greater than 1. In this case, all virtqueues share a vector/IRQ, the config interrupt has a separated vector/IRQ (3) only one vector is allocated, in this case, the virtqueues and the config interrupt share a vector/IRQ. The worst and most unlikely case. Otherwise, it needs to fail. This commit introduces some helper functions: ifcvf_set_vq_vector() and ifcvf_set_config_vector() sets virtqueue vector and config vector in the device config space, so that the device can send interrupt DMA. Signed-off-by: Zhu Lingshan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Tom Rix <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28vDPA/ifcvf: implement device MSIX vector allocatorZhu Lingshan1-5/+26
This commit implements a MSIX vector allocation helper for vqs and config interrupts. Signed-off-by: Zhu Lingshan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28vhost_vdpa: don't setup irq offloading when irq_num < 0Zhu Lingshan1-1/+4
When irq number is negative(e.g., -EINVAL), the virtqueue may be disabled or the virtqueues are sharing a device irq. In such case, we should not setup irq offloading for a virtqueue. Signed-off-by: Zhu Lingshan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28vDPA/ifcvf: make use of virtio pci modern IO helpers in ifcvfZhu Lingshan3-71/+36
This commit discards ifcvf_ioreadX()/writeX(), use virtio pci modern IO helpers instead Signed-off-by: Zhu Lingshan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]>
2022-03-28vhost: cache avail index in vhost_enable_notify()Stefano Garzarella1-1/+2
In vhost_enable_notify() we enable the notifications and we read the avail index to check if new buffers have become available in the meantime. We are not caching the avail index, so when the device will call vhost_get_vq_desc(), it will find the old value in the cache and it will read the avail index again. It would be better to refresh the cache every time we read avail index, so let's change vhost_enable_notify() caching the value in `avail_idx` and compare it with `last_avail_idx` to check if there are new buffers available. We don't expect a significant performance boost because the above path is not very common, indeed vhost_enable_notify() is often called with unlikely(), expecting that avail index has not been updated. We ran virtio-test/vhost-test and noticed minimal improvement as expected. To stress the patch more, we modified vhost_test.ko to call vhost_enable_notify()/vhost_disable_notify() on every cycle when calling vhost_get_vq_desc(); in this case we observed a more evident improvement, with a reduction of the test execution time of about 3.7%. Signed-off-by: Stefano Garzarella <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Reviewed-by: Stefan Hajnoczi <[email protected]>
2022-03-28drivers/virtio: Enable virtio mem for ARM64Gavin Shan1-3/+4
This enables virtio-mem device support by allowing to enable the corresponding kernel config option (CONFIG_VIRTIO_MEM) on the architecture. Signed-off-by: Gavin Shan <[email protected]> Acked-by: David Hildenbrand <[email protected]> Acked-by: Jonathan Cameron <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Signed-off-by: Gavin Shan <[email protected]> Acked-by: David Hildenbrand <[email protected]> Acked-by: Jonathan Cameron <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]>
2022-03-28MAINTAINERS: update hexagon maintainer email, treeBrian Cain1-1/+2
Some email infrastructure changes required this switch. Signed-off-by: Brian Cain <[email protected]>
2022-03-28net: bnxt_ptp: fix compilation errorDamien Le Moal2-2/+6
The Broadcom bnxt_ptp driver does not compile with GCC 11.2.2 when CONFIG_WERROR is enabled. The following error is generated: drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c: In function ‘bnxt_ptp_enable’: drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c:400:43: error: array subscript 255 is above array bounds of ‘struct pps_pin[4]’ [-Werror=array-bounds] 400 | ptp->pps_info.pins[pin_id].event = BNXT_PPS_EVENT_EXTERNAL; | ~~~~~~~~~~~~~~~~~~^~~~~~~~ In file included from drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c:20: drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h:75:24: note: while referencing ‘pins’ 75 | struct pps_pin pins[BNXT_MAX_TSIO_PINS]; | ^~~~ cc1: all warnings being treated as errors This is due to the function ptp_find_pin() returning a pin ID of -1 when a valid pin is not found and this error never being checked. Change the TSIO_PIN_VALID() function to also check that a pin ID is not negative and use this macro in bnxt_ptp_enable() to check the result of the calls to ptp_find_pin() to return an error early for invalid pins. This fixes the compilation error. Cc: <[email protected]> Fixes: 9e518f25802c ("bnxt_en: 1PPS functions to configure TSIO pins") Signed-off-by: Damien Le Moal <[email protected]> Reviewed-by: Michael Chan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-03-28Merge tag 'tty-5.18-rc1' of ↵Linus Torvalds115-1473/+2727
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver updates from Greg KH: "Here are the big set of tty and serial driver changes for 5.18-rc1. Nothing major, some more good cleanups from Jiri and 2 new serial drivers. Highlights include: - termbits cleanups - export symbol cleanups and other core cleanups from Jiri Slaby - new sunplus and mvebu uart drivers (amazing that people are still creating new uarts...) - samsung serial driver cleanups - ldisc 29 is now "reserved" for experimental/development line disciplines - lots of other tiny fixes and cleanups to serial drivers and bindings All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (104 commits) vt_ioctl: fix potential spectre v1 in VT_DISALLOCATE serial: 8250: fix XOFF/XON sending when DMA is used tty: serial: samsung: Add ARTPEC-8 support dt-bindings: serial: samsung: Add ARTPEC-8 UART serial: sc16is7xx: Clear RS485 bits in the shutdown tty: serial: samsung: simplify getting OF match data tty: serial: samsung: constify variables and pointers tty: serial: samsung: constify s3c24xx_serial_drv_data members tty: serial: samsung: constify UART name tty: serial: samsung: constify s3c24xx_serial_drv_data tty: serial: samsung: reduce number of casts tty: serial: samsung: embed s3c2410_uartcfg in parent structure tty: serial: samsung: embed s3c24xx_uart_info in parent structure serial: 8250_tegra: mark acpi_device_id as unused with !ACPI tty: serial: bcm63xx: use more precise Kconfig symbol serial: SERIAL_SUNPLUS should depend on ARCH_SUNPLUS tty: serial: jsm: fix two assignments in if conditions tty: serial: jsm: remove redundant assignments to variable linestatus serial: 8250_mtk: make two read-only arrays static const serial: samsung_tty: do not unlock port->lock for uart_write_wakeup() ...
2022-03-28scripts/kernel-doc: change the line number meta infoMauro Carvalho Chehab2-3/+3
In order to make it more standard and ReST compatible, change the meta-tag used with --enable-lineno from: #define LINENO to .. LINENO In practice, no functional changes. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/40725032b5a4a33db740bf1de397523af958ff8a.1648290305.git.mchehab@kernel.org Signed-off-by: Jonathan Corbet <[email protected]>
2022-03-28scripts/get_abi: change the file/line number meta infoMauro Carvalho Chehab2-3/+3
In order to make it more standard and ReST compatible, change the meta-tag used with --enable-lineno from: #define LINENO to .. LINENO In practice, no functional changes. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/125ffd31fbc77ad9eee4d6906e1830b8162fa6ca.1648290305.git.mchehab@kernel.org Signed-off-by: Jonathan Corbet <[email protected]>
2022-03-28docs: kernel_include.py: add sphinx build dependenciesMauro Carvalho Chehab1-0/+3
The files included by kernel-include should be added as build dependencies, in order for sphinx-build to rebuild the corresponding docs if any changes at the included file happens. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/d30fc4fa422a13b7e1623d690945c46b58a55e79.1648290305.git.mchehab@kernel.org Signed-off-by: Jonathan Corbet <[email protected]>
2022-03-28docs: kernel_abi.py: add sphinx build dependenciesMauro Carvalho Chehab1-0/+4
Ensure that Sphinx-build will handle the files parsed by get_abi.pl as dependencies. This way, if they are touched, the ABI output will be regenerated. Reported-by: Hans de Goede <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/10bc3d3bc74f514a539cd3b48b9d287d2b6f99e2.1648290305.git.mchehab@kernel.org Signed-off-by: Jonathan Corbet <[email protected]>
2022-03-28docs: kernel_feat.py: add build dependenciesMauro Carvalho Chehab1-2/+18
Ensure that the feature files will be regenerated if any changes happen at the Documentation/features files that were processed by gen_feat.pl. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/5cdf7a8300019129dcc09d4c2557f75908754445.1648290305.git.mchehab@kernel.org Signed-off-by: Jonathan Corbet <[email protected]>
2022-03-28scripts/get_feat.pl: allow output the parsed file namesMauro Carvalho Chehab1-0/+11
Such output could be helpful while debugging it, but its main goal is to tell kernel_feat.py about what files were used by the script. Thie way, kernel_feat.py can add those as documentation dependencies. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/11b438ee01e00c866f5ea197d6aecc26e9f86945.1648290305.git.mchehab@kernel.org Signed-off-by: Jonathan Corbet <[email protected]>
2022-03-28docs: kfigure.py: Don't warn of missing PDF converter in 'make htmldocs'Akira Yokosawa1-3/+5
SVG -> PDF conversion is not required in "make htmldocs". It is pointless to always warn of a missing converter. Demote the log message in setupTools() to verbose. For "make pdfdocs" (or "make latexdocs"), promote the dynamic message of "include SVG raw" to a warn. Expand the message and recommend installing Inkscape or ImageMagick. Fixes: 8ccd05697a9d ("docs: sphinx/kfigure.py: Use inkscape(1) for SVG -> PDF conversion") Signed-off-by: Akira Yokosawa <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Mauro Carvalho Chehab <[email protected]> Cc: [email protected] Acked-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
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