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2026-03-13udp: Don't pass udptable to IPv6 socket lookup functions.Kuniyuki Iwashima
Since UDP and UDP-Lite had dedicated socket hash tables for each, we have had to pass the pointer down to many socket lookup functions. UDP-Lite gone, and we do not need to do that. Let's fetch net->ipv4.udp_table only where needed in IPv6 stack: __udp6_lib_lookup() and __udp6_lib_mcast_deliver(). __udp6_lib_err() is renamed to udpv6_err() as its wrapper is no longer needed. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-14-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13udp: Remove dead check in __udp[46]_lib_lookup() for BPF.Kuniyuki Iwashima
BPF socket lookup for SO_REUSEPORT does not support UDP-Lite. In __udp4_lib_lookup() and __udp6_lib_lookup(), it checks if the passed udptable pointer is the same as net->ipv4.udp_table, which is only true for UDP. Now, the condition is always true. Let's remove the check. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-13-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13udp: Remove udp_table in struct udp_seq_afinfo.Kuniyuki Iwashima
Since UDP and UDP-Lite had dedicated socket hash tables for each, we have had to fetch them from different pointers for procfs or bpf iterator. UDP always has its global or per-netns table in net->ipv4.udp_table and struct udp_seq_afinfo.udp_table is NULL. OTOH, UDP-Lite had only one global table in the pointer. We no longer use the field. Let's remove it and udp_get_table_seq(). Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-12-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13udp: Remove struct proto.h.udp_table.Kuniyuki Iwashima
Since UDP and UDP-Lite had dedicated socket hash tables for each, we have had to fetch them from different pointers. UDP always has its global or per-netns table in net->ipv4.udp_table and struct proto.h.udp_table is NULL. OTOH, UDP-Lite had only one global table in the pointer. We no longer use the field. Let's remove it and udp_get_table_prot(). Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-11-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13udp: Remove UDPLITE_SEND_CSCOV and UDPLITE_RECV_CSCOV.Kuniyuki Iwashima
UDP-Lite supports variable-length checksum and has two socket options, UDPLITE_SEND_CSCOV and UDPLITE_RECV_CSCOV, to control the checksum coverage. Let's remove the support. setsockopt(UDPLITE_SEND_CSCOV / UDPLITE_RECV_CSCOV) was only available for UDP-Lite and returned -ENOPROTOOPT for UDP. Now, the options are handled in ip_setsockopt() and ipv6_setsockopt(), which still return the same error. getsockopt(UDPLITE_SEND_CSCOV / UDPLITE_RECV_CSCOV) was available for UDP and always returned 0, meaning full checksum, but now -ENOPROTOOPT is returned. Given that getsockopt() is meaningless for UDP and even the options are not defined under include/uapi/, this should not be a problem. $ man 7 udplite ... BUGS Where glibc support is missing, the following definitions are needed: #define IPPROTO_UDPLITE 136 #define UDPLITE_SEND_CSCOV 10 #define UDPLITE_RECV_CSCOV 11 Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-10-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13udp: Remove partial csum code in TX.Kuniyuki Iwashima
UDP TX paths also have some code for UDP-Lite partial checksum: * udplite_csum() in udp_send_skb() and udp_v6_send_skb() * udplite_getfrag() in udp_sendmsg() and udpv6_sendmsg() Let's remove such code. Now, we can use IPPROTO_UDP directly instead of sk->sk_protocol or fl6->flowi6_proto for csum_tcpudp_magic() and csum_ipv6_magic(). Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-9-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13udp: Remove partial csum code in RX.Kuniyuki Iwashima
UDP-Lite supports the partial checksum and the coverage is stored in the position of the length field of struct udphdr. In RX paths, udp4_csum_init() / udp6_csum_init() save the value in UDP_SKB_CB(skb)->cscov and set UDP_SKB_CB(skb)->partial_cov to 1 if the coverage is not full. The subsequent processing diverges depending on the value, but such paths are now dead. Also, these functions have some code guarded for UDP: * udp_unicast_rcv_skb / udp6_unicast_rcv_skb * __udp4_lib_rcv() and __udp6_lib_rcv(). Let's remove the partial csum code and the unnecessary guard for UDP-Lite in RX. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-8-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13smack: Remove IPPROTO_UDPLITE support in security_sock_rcv_skb().Kuniyuki Iwashima
smack_socket_sock_rcv_skb() is registered as socket_sock_rcv_skb, which is called as security_sock_rcv_skb() in sk_filter_trim_cap(). Now that UDP-Lite is gone, let's remove the IPPROTO_UDPLITE support in smack_socket_sock_rcv_skb(). Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Acked-by: Casey Schaufler <casey@schaufler-ca.com> Link: https://patch.msgid.link/20260311052020.1213705-7-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13udp: Remove UDP-Lite SNMP stats.Kuniyuki Iwashima
Since UDP and UDP-Lite shared most of the code, we have had to check the protocol every time we increment SNMP stats. Now that the UDP-Lite paths are dead, let's remove UDP-Lite SNMP stats. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-6-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13ipv4: Retire UDP-Lite.Kuniyuki Iwashima
We have deprecated IPv6 UDP-Lite sockets. Let's drop support for IPv4 UDP-Lite sockets as well. Most of the changes are similar to the IPv6 patch: removing udplite.c and udp_impl.h, marking most functions in udp_impl.h as static, moving the prototype for udp_recvmsg() to udp.h, and adding INDIRECT_CALLABLE_SCOPE for it. In addition, the INET_DIAG support for UDP-Lite is dropped. We will remove the remaining dead code in the following patches. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-5-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13ipv6: Remove UDP-Lite support for IPV6_ADDRFORM.Kuniyuki Iwashima
We cannot create IPv6 UDP-Lite sockets anymore. Let's remove dead code in IPV6_ADDRFORM. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-4-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13ipv6: Retire UDP-Lite.Kuniyuki Iwashima
As announced in commit be28c14ac8bb ("udplite: Print deprecation notice."), it's time to deprecate UDP-Lite. As a first step, let's drop support for IPv6 UDP-Lite sockets. We will remove the remaining dead code gradually. Along with the removal of udplite.c, most of the functions exposed via udp_impl.h are made static. The prototypes of udpv6_sendmsg() and udpv6_recvmsg() are moved to udp.h, but only udpv6_recvmsg() has INDIRECT_CALLABLE_DECLARE() because udpv6_sendmsg() is exported for rxrpc since commit ed472b0c8783 ("rxrpc: Call udp_sendmsg() directly"). Also, udpv6_recvmsg() needs INDIRECT_CALLABLE_SCOPE for CONFIG_MITIGATION_RETPOLINE=n. Note that udplite.h is included temporarily for udplite_csum(). Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-3-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-13udp: Make udp[46]_seq_show() static.Kuniyuki Iwashima
Since commit a3d2599b2446 ("ipv{4,6}/udp{,lite}: simplify proc registration"), udp4_seq_show() and udp6_seq_show() are not used in net/ipv4/udplite.c and net/ipv6/udplite.c. Instead, udp_seq_ops and udp6_seq_ops are exposed to UDP-Lite. Let's make udp4_seq_show() and udp6_seq_show() static. udp_seq_ops and udp6_seq_ops are moved to udp_impl.h so that we can make them static when the header is removed. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20260311052020.1213705-2-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-14drm/bridge: add support for lontium lt8713sx bridge driverVishnu Saini
The lt8713sx is a Type-C/DP1.4 to DP1.4/HDMI2.0 converter, with three configurable DP1.4/HDMI2.0/DP++ output interfaces and audio output interface. Driver is required for firmware upgrade and enabling the bridge chip. Co-developed-by: Prahlad Valluru <vvalluru@qti.qualcomm.com> Signed-off-by: Prahlad Valluru <vvalluru@qti.qualcomm.com> Signed-off-by: Vishnu Saini <vishnu.saini@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Cc: Simon Zhu <xmzhu@lontium.corp-partner.google.com> Link: https://patch.msgid.link/20260303-lt8713sx-bridge-driver-v5-2-6cc2a855aafa@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2026-03-14dt-bindings: bridge: lt8713sx: Add bindingsVishnu Saini
Add bindings for lt8713sx. Co-developed-by: Prahlad Valluru <vvalluru@qti.qualcomm.com> Signed-off-by: Prahlad Valluru <vvalluru@qti.qualcomm.com> Signed-off-by: Vishnu Saini <vishnu.saini@oss.qualcomm.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Cc: Simon Zhu <xmzhu@lontium.corp-partner.google.com> Link: https://patch.msgid.link/20260303-lt8713sx-bridge-driver-v5-1-6cc2a855aafa@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
2026-03-13drm/pagemap: Enable THP support for GPU memory migrationFrancois Dugast
This enables support for Transparent Huge Pages (THP) for device pages by using MIGRATE_VMA_SELECT_COMPOUND during migration. It removes the need to split folios and loop multiple times over all pages to perform required operations at page level. Instead, we rely on newly introduced support for higher orders in drm_pagemap and folio-level API. In Xe, this drastically improves performance when using SVM. The GT stats below collected after a 2MB page fault show overall servicing is more than 7 times faster, and thanks to reduced CPU overhead the time spent on the actual copy goes from 23% without THP to 80% with THP: Without THP: svm_2M_pagefault_us: 966 svm_2M_migrate_us: 942 svm_2M_device_copy_us: 223 svm_2M_get_pages_us: 9 svm_2M_bind_us: 10 With THP: svm_2M_pagefault_us: 132 svm_2M_migrate_us: 128 svm_2M_device_copy_us: 106 svm_2M_get_pages_us: 1 svm_2M_bind_us: 2 v2: - Fix one occurrence of drm_pagemap_get_devmem_page() (Matthew Brost) v3: - Remove migrate_device_split_page() and folio_split_lock, instead rely on free_zone_device_folio() to split folios before freeing (Matthew Brost) - Assert folio order is HPAGE_PMD_ORDER (Matthew Brost) - Always use folio_set_zone_device_data() in split (Matthew Brost) v4: - Warn on compound device page, s/continue/goto next/ (Matthew Brost) v5: - Revert warn on compound device page - s/zone_device_page_init()/zone_device_folio_init() (Matthew Brost) Cc: Matthew Brost <matthew.brost@intel.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Cc: Michal Mrozek <michal.mrozek@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Hildenbrand <david@kernel.org> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Balbir Singh <balbirs@nvidia.com> Cc: linux-mm@kvack.org Reviewed-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Francois Dugast <francois.dugast@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260312192126.2024853-5-francois.dugast@intel.com
2026-03-13drm/pagemap: Correct cpages calculation for migrate_vma_setupMatthew Brost
cpages returned from migrate_vma_setup represents the total number of individual pages found, not the number of 4K pages. The math in drm_pagemap_migrate_to_devmem for npages is based on the number of 4K pages, so cpages != npages can fail even if the entire memory range is found in migrate_vma_setup (e.g., when a single 2M page is found). Add drm_pagemap_cpages, which converts cpages to the number of 4K pages found. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Hildenbrand <david@kernel.org> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Balbir Singh <balbirs@nvidia.com> Cc: linux-mm@kvack.org Reviewed-by: Francois Dugast <francois.dugast@intel.com> Signed-off-by: Francois Dugast <francois.dugast@intel.com> Reviewed-by: Balbir Singh <balbirs@nvidia.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260312192126.2024853-4-francois.dugast@intel.com
2026-03-13drm/pagemap: Add helper to access zone_device_dataFrancois Dugast
This new helper helps ensure all accesses to zone_device_data use the correct API whether the page is part of a folio or not. v2: - Move to drm_pagemap.h, stick to folio_zone_device_data (Matthew Brost) - Return struct drm_pagemap_zdd * (Matthew Brost) v3: - Add stub for !CONFIG_ZONE_DEVICE (CI) Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Hildenbrand <david@kernel.org> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Balbir Singh <balbirs@nvidia.com> Cc: linux-mm@kvack.org Suggested-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Francois Dugast <francois.dugast@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260312192126.2024853-3-francois.dugast@intel.com
2026-03-13drm/pagemap: Unlock and put folios when possibleFrancois Dugast
If the page is part of a folio, unlock and put the whole folio at once instead of individual pages one after the other. This will reduce the amount of operations once device THP are in use. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Hildenbrand <david@kernel.org> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Balbir Singh <balbirs@nvidia.com> Cc: linux-mm@kvack.org Suggested-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Francois Dugast <francois.dugast@intel.com> Reviewed-by: Balbir Singh <balbirs@nvidia.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260312192126.2024853-2-francois.dugast@intel.com
2026-03-13drm/xe: Open-code GGTT MMIO access protectionMatthew Brost
GGTT MMIO access is currently protected by hotplug (drm_dev_enter), which works correctly when the driver loads successfully and is later unbound or unloaded. However, if driver load fails, this protection is insufficient because drm_dev_unplug() is never called. Additionally, devm release functions cannot guarantee that all BOs with GGTT mappings are destroyed before the GGTT MMIO region is removed, as some BOs may be freed asynchronously by worker threads. To address this, introduce an open-coded flag, protected by the GGTT lock, that guards GGTT MMIO access. The flag is cleared during the dev_fini_ggtt devm release function to ensure MMIO access is disabled once teardown begins. Cc: stable@vger.kernel.org Fixes: 919bb54e989c ("drm/xe: Fix missing runtime outer protection for ggtt_remove_node") Reviewed-by: Zhanjun Dong <zhanjun.dong@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260310225039.1320161-8-zhanjun.dong@intel.com
2026-03-13drm/xe/uc: Drop xe_guc_sanitize in favor of managed cleanupZhanjun Dong
If the firmware fails to load in GT resets the device is wedged also initiating a GuC state cleanup. Signed-off-by: Zhanjun Dong <zhanjun.dong@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260310225039.1320161-7-zhanjun.dong@intel.com
2026-03-13drm/xe/guc: Ensure CT state transitions via STOP before DISABLEDZhanjun Dong
The GuC CT state transition requires moving to the STOP state before entering the DISABLED state. Update the driver teardown sequence to make the proper state machine transitions. Fixes: ee4b32220a6b ("drm/xe/guc: Add devm release action to safely tear down CT") Cc: stable@vger.kernel.org Signed-off-by: Zhanjun Dong <zhanjun.dong@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260310225039.1320161-6-zhanjun.dong@intel.com
2026-03-13drm/xe: Use XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET enum instead of magic numberZhanjun Dong
Replace the magic number 2 with the proper enum value XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET for better code readability and maintainability. Signed-off-by: Zhanjun Dong <zhanjun.dong@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260310225039.1320161-5-zhanjun.dong@intel.com
2026-03-13drm/xe: Trigger queue cleanup if not in wedged mode 2Matthew Brost
The intent of wedging a device is to allow queues to continue running only in wedged mode 2. In other modes, queues should initiate cleanup and signal all remaining fences. Fix xe_guc_submit_wedge to correctly clean up queues when wedge mode != 2. Fixes: 7dbe8af13c18 ("drm/xe: Wedge the entire device") Cc: stable@vger.kernel.org Reviewed-by: Zhanjun Dong <zhanjun.dong@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260310225039.1320161-4-zhanjun.dong@intel.com
2026-03-13drm/xe: Forcefully tear down exec queues in GuC submit finiMatthew Brost
In GuC submit fini, forcefully tear down any exec queues by disabling CTs, stopping the scheduler (which cleans up lost G2H), killing all remaining queues, and resuming scheduling to allow any remaining cleanup actions to complete and signal any remaining fences. Split guc_submit_fini into device related and software only part. Using device-managed and drm-managed action guarantees the correct ordering of cleanup. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: stable@vger.kernel.org Reviewed-by: Zhanjun Dong <zhanjun.dong@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260310225039.1320161-3-zhanjun.dong@intel.com
2026-03-13drm/xe: Always kill exec queues in xe_guc_submit_pause_abortMatthew Brost
xe_guc_submit_pause_abort is intended to be called after something disastrous occurs (e.g., VF migration fails, device wedging, or driver unload) and should immediately trigger the teardown of remaining submission state. With that, kill any remaining queues in this function. Fixes: 7c4b7e34c83b ("drm/xe/vf: Abort VF post migration recovery on failure") Cc: stable@vger.kernel.org Signed-off-by: Zhanjun Dong <zhanjun.dong@intel.com> Reviewed-by: Stuart Summers <stuart.summers@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260310225039.1320161-2-zhanjun.dong@intel.com
2026-03-14Merge tag 'renesas-pinctrl-fixes-for-v7.0-tag1' of ↵Linus Walleij
git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into fixes pinctrl: renesas: Fixes for v7.0 - Fix device node leaks and invalid wait contexts on RZ/T2H and RZ/N2H, - Fix GPIO .get() callback on RZ/A1. Signed-off-by: Linus Walleij <linusw@kernel.org>
2026-03-13dma-mapping: Support batch mode for dma_direct_{map,unmap}_sgBarry Song
Extending these APIs with a flush argument: dma_direct_unmap_phys(), dma_direct_map_phys(), and dma_direct_sync_single_for_cpu(). For single-buffer cases, flush=true would be used, while for SG cases flush=false would be used, followed by a single flush after all cache operations are issued in dma_direct_{map,unmap}_sg(). This ultimately benefits dma_map_sg() and dma_unmap_sg(). Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Ada Couprie Diaz <ada.coupriediaz@arm.com> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Tangquan Zheng <zhengtangquan@oppo.com> Reviewed-by: Leon Romanovsky <leon@kernel.org> Tested-by: Xueyuan Chen <xueyuan.chen21@gmail.com> Signed-off-by: Barry Song <baohua@kernel.org> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20260228221337.59951-1-21cnbao@gmail.com
2026-03-13dma-mapping: Separate DMA sync issuing and completion waitingBarry Song
Currently, arch_sync_dma_for_cpu and arch_sync_dma_for_device always wait for the completion of each DMA buffer. That is, issuing the DMA sync and waiting for completion is done in a single API call. For scatter-gather lists with multiple entries, this means issuing and waiting is repeated for each entry, which can hurt performance. Architectures like ARM64 may be able to issue all DMA sync operations for all entries first and then wait for completion together. To address this, arch_sync_dma_for_* now batches DMA operations and performs a flush afterward. On ARM64, the flush is implemented with a dsb instruction in arch_sync_dma_flush(). On other architectures, arch_sync_dma_flush() is currently a nop. Cc: Leon Romanovsky <leon@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Ada Couprie Diaz <ada.coupriediaz@arm.com> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> Cc: Tangquan Zheng <zhengtangquan@oppo.com> Reviewed-by: Juergen Gross <jgross@suse.com> # drivers/xen/swiotlb-xen.c Tested-by: Xueyuan Chen <xueyuan.chen21@gmail.com> Signed-off-by: Barry Song <baohua@kernel.org> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20260228221316.59934-1-21cnbao@gmail.com
2026-03-13arm64: Provide dcache_inval_poc_nosync helperBarry Song
dcache_inval_poc_nosync does not wait for the data cache invalidation to complete. Later, we defer the synchronization so we can wait for all SG entries together. Cc: Leon Romanovsky <leon@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Ada Couprie Diaz <ada.coupriediaz@arm.com> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Tangquan Zheng <zhengtangquan@oppo.com> Tested-by: Xueyuan Chen <xueyuan.chen21@gmail.com> Signed-off-by: Barry Song <baohua@kernel.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20260228221258.59918-1-21cnbao@gmail.com
2026-03-13arm64: Provide dcache_clean_poc_nosync helperBarry Song
dcache_clean_poc_nosync does not wait for the data cache clean to complete. Later, we wait for completion of all scatter-gather entries together. Cc: Leon Romanovsky <leon@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Ada Couprie Diaz <ada.coupriediaz@arm.com> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Tangquan Zheng <zhengtangquan@oppo.com> Tested-by: Xueyuan Chen <xueyuan.chen21@gmail.com> Signed-off-by: Barry Song <baohua@kernel.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20260228221239.59903-1-21cnbao@gmail.com
2026-03-13arm64: Provide dcache_by_myline_op_nosync helperBarry Song
dcache_by_myline_op ensures completion of the data cache operations for a region, while dcache_by_myline_op_nosync only issues them without waiting. This enables deferred synchronization so completion for multiple regions can be handled together later. Cc: Leon Romanovsky <leon@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Ada Couprie Diaz <ada.coupriediaz@arm.com> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Tangquan Zheng <zhengtangquan@oppo.com> Tested-by: Xueyuan Chen <xueyuan.chen21@gmail.com> Signed-off-by: Barry Song <baohua@kernel.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20260228221216.59886-1-21cnbao@gmail.com
2026-03-13Merge tag 'drm-fixes-2026-03-14' of https://gitlab.freedesktop.org/drm/kernelLinus Torvalds
Pull drm fixes from Dave Airlie: "The weekly drm fixes. This is mostly msm fixes across the functions, with amdgpu and i915. It also has a core rust fix and changes in nova-core to take advantage of it, and otherwise just has some minor driver fixes, and marks loongsoon as orphaned. rust: - Fix safety issue in dma_read! and dma_write! nova-core: - Fix UB in DmaGspMem pointer accessors - Fix stack overflow in GSP memory allocation loongsoon: - mark drm driver as unmaintained msm: - Core: - Adjusted msm_iommu_pagetable_prealloc_allocate() allocation type - DPU: - Fixed blue screens on Hamoa laptops by reverting the LM reservation - Fixed the size of the LM block on several platforms - Dropped usage of %pK (again) - Fixed smatch warning on SSPP v13+ code - Fixed INTF_6 interrupts on Lemans - DSI: - Fixed DSI PHY revision on Kaanapali - Fixed pixel clock calculation for the bonded DSI mode panels with compression enabled - DT bindings: - Fixed DisplayPort description on Glymur - Fixed model name in SM8750 MDSS schema - GPU: - Added MODULE_DEVICE_TABLE to the GPU driver - Fix bogus protect error on X2-85 - Fix dma_free_attrs() buffer size - Gen8 UBWC fix for Glymur i915: - Avoid hang when configuring VRR [icl] - Fix sg_table overflow with >4GB folios - Fix PSR Selective Update handling - Fix eDP ALPM read-out sequence amdgpu: - SMU13 fix - SMU14 fix - Fixes for bringup hw testing - Kerneldoc fix - GC12 idle power fix for compute workloads - DCCG fixes amdkfd: - Fix missing BO unreserve in an error path ivpu: - drop unnecessary bootparams register setting amdxdna: - fix runtime/suspend resume deadlock bridge: - ti-sn65dsi83: fix DSI rounding and dual LVDS gud: - fix NULL crtc dereference on display disable" * tag 'drm-fixes-2026-03-14' of https://gitlab.freedesktop.org/drm/kernel: (44 commits) drm/amd: Set num IP blocks to 0 if discovery fails drm/amdkfd: Unreserve bo if queue update failed drm/amd/display: Check for S0i3 to be done before DCCG init on DCN21 drm/amd/display: Add missing DCCG register entries for DCN20-DCN316 gpu: nova-core: gsp: fix UB in DmaGspMem pointer accessors drm/loongson: Mark driver as orphaned accel/amdxdna: Fix runtime suspend deadlock when there is pending job gpu: nova-core: fix stack overflow in GSP memory allocation accel/ivpu: Remove boot params address setting via MMIO register drm/i915/dp: Read ALPM caps after DPCD init drm/i915/psr: Write DSC parameters on Selective Update in ET mode drm/i915/dsc: Add helper for writing DSC Selective Update ET parameters drm/i915/dsc: Add Selective Update register definitions drm/i915/psr: Repeat Selective Update area alignment drm/i915: Fix potential overflow of shmem scatterlist length drm/i915/vrr: Configure VRR timings after enabling TRANS_DDI_FUNC_CTL drm/bridge: ti-sn65dsi83: halve horizontal syncs for dual LVDS output drm/bridge: ti-sn65dsi83: fix CHA_DSI_CLK_RANGE rounding drm/gud: fix NULL crtc dereference on display disable drm/sitronix/st7586: fix bad pixel data due to byte swap ...
2026-03-13KVM: nSVM: Simplify error handling of nested_svm_copy_vmcb12_to_cache()Yosry Ahmed
nested_svm_vmrun() currently stores the return value of nested_svm_copy_vmcb12_to_cache() in a local variable 'err', separate from the generally used 'ret' variable. This is done to have a single call to kvm_skip_emulated_instruction(), such that we can store the return value of kvm_skip_emulated_instruction() in 'ret', and then re-check the return value of nested_svm_copy_vmcb12_to_cache() in 'err'. The code is unnecessarily confusing. Instead, call kvm_skip_emulated_instruction() in the failure path of nested_svm_copy_vmcb12_to_cache() if the return value is not -EFAULT, and drop 'err'. Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Yosry Ahmed <yosry@kernel.org> Link: https://patch.msgid.link/20260306210900.1933788-3-yosry@kernel.org Signed-off-by: Sean Christopherson <seanjc@google.com>
2026-03-13Merge tag 'wq-for-7.0-rc3-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue fixes from Tejun Heo: - Improve workqueue stall diagnostics: dump all busy workers (not just running ones), show wall-clock duration of in-flight work items, and add a sample module for reproducing stalls - Fix POOL_BH vs WQ_BH flag namespace mismatch in pr_cont_worker_id() - Rename pool->watchdog_ts to pool->last_progress_ts and related functions for clarity * tag 'wq-for-7.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: Rename show_cpu_pool{s,}_hog{s,}() to reflect broadened scope workqueue: Add stall detector sample module workqueue: Show all busy workers in stall diagnostics workqueue: Show in-flight work item duration in stall diagnostics workqueue: Rename pool->watchdog_ts to pool->last_progress_ts workqueue: Use POOL_BH instead of WQ_BH when checking pool flags
2026-03-13Merge tag 'cgroup-for-7.0-rc3-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: - Hide PF_EXITING tasks from cgroup.procs to avoid exposing dead tasks that haven't been removed yet, fixing a systemd timeout issue on PREEMPT_RT - Call rebuild_sched_domains() directly in CPU hotplug instead of deferring to a workqueue, fixing a race where online/offline CPUs could briefly appear in stale sched domains * tag 'cgroup-for-7.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: Don't expose dead tasks in cgroup cgroup/cpuset: Call rebuild_sched_domains() directly in hotplug
2026-03-13EDAC/sb: Use kzalloc_flex()Rosen Penev
Simplifies allocations by using a flexible array member in this struct. Add __counted_by to get extra runtime analysis. Move counting variable assignment immediately after allocation as required by __counted_by. Signed-off-by: Rosen Penev <rosenp@gmail.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Link: https://patch.msgid.link/20260313215637.6371-1-rosenp@gmail.com
2026-03-13EDAC/i7core: Use kzalloc_flex()Rosen Penev
Simplifies allocations by using a flexible array member in this struct. Add __counted_by to get extra runtime analysis. Move counting variable assignment to right after allocation as required by __counted_by. Signed-off-by: Rosen Penev <rosenp@gmail.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Link: https://patch.msgid.link/20260313215900.6724-1-rosenp@gmail.com
2026-03-13soc: qcom: pd-mapper: Convert to of_machine_get_match()Geert Uytterhoeven
Use the of_machine_get_match() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://patch.msgid.link/0d23a449e62ac85f04ff07bc2758efbaa709c9d1.1772468323.git.geert+renesas@glider.be Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-03-13cpufreq: ti-cpufreq: Convert to of_machine_get_match()Geert Uytterhoeven
Use the of_machine_get_match() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://patch.msgid.link/bba0631aea78b6db7d453a9f9e98ea16b7e2c269.1772468323.git.geert+renesas@glider.be Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-03-13cpufreq: qcom-nvmem: Convert to of_machine_get_match()Geert Uytterhoeven
Use the of_machine_get_match() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://patch.msgid.link/886a603a7a1de6c8cb14ee0783ee0bceea4d914a.1772468323.git.geert+renesas@glider.be Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-03-13cpufreq: airoha: Convert to of_machine_get_match()Geert Uytterhoeven
Use the of_machine_get_match() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://patch.msgid.link/cc76137755d93af982bf255095adafc7d523692c.1772468323.git.geert+renesas@glider.be Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-03-13of: Convert to of_machine_get_match()Geert Uytterhoeven
Use the of_machine_get_match() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://patch.msgid.link/83ed49314b94dab7781e1d74236af72dd5c349c6.1772468323.git.geert+renesas@glider.be Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-03-13of: Add of_machine_get_match() helperGeert Uytterhoeven
Currently, there are two helpers to match the root compatible value against an of_device_id array: - of_machine_device_match() returns true if a match is found, - of_machine_get_match_data() returns the match data if a match is found. However, there is no helper that returns the actual of_device_id structure corresponding to the match, leading to code duplication in various drivers. Fix this by reworking of_machine_device_match() to return the actual match structure, and renaming it to of_machine_get_match(). Retain the old of_machine_device_match() functionality using a cheap static inline wrapper around the new of_machine_get_match() helper. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://patch.msgid.link/14e1c03d443b1a5f210609ec3a1ebbaeab8fb3d9.1772468323.git.geert+renesas@glider.be Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2026-03-13Merge tag 'sched_ext-for-7.0-rc3-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext Pull sched_ext fixes from Tejun Heo: - Fix data races flagged by KCSAN: add missing READ_ONCE()/WRITE_ONCE() annotations for lock-free accesses to module parameters and dsq->seq - Fix silent truncation of upper 32 enqueue flags (SCX_ENQ_PREEMPT and above) when passed through the int sched_class interface - Documentation updates: scheduling class precedence, task ownership state machine, example scheduler descriptions, config list cleanup - Selftest fix for format specifier and buffer length in file_write_long() * tag 'sched_ext-for-7.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: sched_ext: Use WRITE_ONCE() for the write side of scx_enable helper pointer sched_ext: Fix enqueue_task_scx() truncation of upper enqueue flags sched_ext: Documentation: Update sched-ext.rst sched_ext: Use READ_ONCE() for scx_slice_bypass_us in scx_bypass() sched_ext: Documentation: Mention scheduling class precedence sched_ext: Document task ownership state machine sched_ext: Use READ_ONCE() for lock-free reads of module param variables sched_ext/selftests: Fix format specifier and buffer length in file_write_long() sched_ext: Use WRITE_ONCE() for the write side of dsq->seq update
2026-03-13perf record: Remove unused cpu-set-sched.hIan Rogers
Header file declares unused macros, so remove. Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2026-03-13perf bpf_map: Remove unused codeIan Rogers
bpf_map__fprintf is unused so delete it, the header file declaring it and the now unused static helper functions. Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2026-03-13perf tool: Constify the command and option arraysIan Rogers
Reduce scope and capture immutability. Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2026-03-13perf dump-insn: Remove dump-insn.cIan Rogers
dump_insn and arch_is_uncond_branch are declared in intel-pt-insn-decoder.c which is unconditionally part of all perf builds. Don't declare weak versions of these symbols that will be unused. Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2026-03-13perf symbol: Reduce scope of elf__needs_adjust_symbolsIan Rogers
Function is only used by symsrc__init in symbol-elf.c, make static to reduce scope. Switch to not passing the argument by value but as a pointer. Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
generated by cgit v1.2.3 (git 2.25.1) at 2026-09-17 06:23:03 +0000