March 2025 - Linux-stable-mirror

[PATCH 6.6.y] reset: starfive: jh71x0: Fix accessing the empty member on JH7110 SoC

by jianqi.ren.cn＠windriver.com

From: Changhuang Liang <changhuang.liang(a)starfivetech.com> [ Upstream commit 2cf59663660799ce16f4dfbed97cdceac7a7fa11 ] data->asserted will be NULL on JH7110 SoC since commit 82327b127d41 ("reset: starfive: Add StarFive JH7110 reset driver") was added. Add the judgment condition to avoid errors when calling reset_control_status on JH7110 SoC. Fixes: 82327b127d41 ("reset: starfive: Add StarFive JH7110 reset driver") Signed-off-by: Changhuang Liang <changhuang.liang(a)starfivetech.com> Acked-by: Hal Feng <hal.feng(a)starfivetech.com> Reviewed-by: Philipp Zabel <p.zabel(a)pengutronix.de> Link: https://lore.kernel.org/r/20240925112442.1732416-1-changhuang.liang@starfiv… Signed-off-by: Philipp Zabel <p.zabel(a)pengutronix.de> Signed-off-by: Jianqi Ren <jianqi.ren.cn(a)windriver.com> Signed-off-by: He Zhe <zhe.he(a)windriver.com> --- Verified the build test --- drivers/reset/starfive/reset-starfive-jh71x0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/reset/starfive/reset-starfive-jh71x0.c b/drivers/reset/starfive/reset-starfive-jh71x0.c index 55bbbd2de52c..29ce3486752f 100644 --- a/drivers/reset/starfive/reset-starfive-jh71x0.c +++ b/drivers/reset/starfive/reset-starfive-jh71x0.c @@ -94,6 +94,9 @@ static int jh71x0_reset_status(struct reset_controller_dev *rcdev, void __iomem *reg_status = data->status + offset * sizeof(u32); u32 value = readl(reg_status); + if (!data->asserted) + return !(value & mask); + return !((value ^ data->asserted[offset]) & mask); } -- 2.25.1

2 months, 2 weeks

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[PATCH 6.6.y] scsi: ufs: qcom: Only free platform MSIs when ESI is enabled

by jianqi.ren.cn＠windriver.com

From: Manivannan Sadhasivam <manivannan.sadhasivam(a)linaro.org> commit 64506b3d23a337e98a74b18dcb10c8619365f2bd upstream. Otherwise, it will result in a NULL pointer dereference as below: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 Call trace: mutex_lock+0xc/0x54 platform_device_msi_free_irqs_all+0x14/0x20 ufs_qcom_remove+0x34/0x48 [ufs_qcom] platform_remove+0x28/0x44 device_remove+0x4c/0x80 device_release_driver_internal+0xd8/0x178 driver_detach+0x50/0x9c bus_remove_driver+0x6c/0xbc driver_unregister+0x30/0x60 platform_driver_unregister+0x14/0x20 ufs_qcom_pltform_exit+0x18/0xb94 [ufs_qcom] __arm64_sys_delete_module+0x180/0x260 invoke_syscall+0x44/0x100 el0_svc_common.constprop.0+0xc0/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x34/0xdc el0t_64_sync_handler+0xc0/0xc4 el0t_64_sync+0x190/0x194 Cc: stable(a)vger.kernel.org # 6.3 Fixes: 519b6274a777 ("scsi: ufs: qcom: Add MCQ ESI config vendor specific ops") Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam(a)linaro.org> Link: https://lore.kernel.org/r/20241111-ufs_bug_fix-v1-2-45ad8b62f02e@linaro.org Reviewed-by: Bean Huo <beanhuo(a)micron.com> Reviewed-by: Bart Van Assche <bvanassche(a)acm.org> Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> Signed-off-by: Jianqi Ren <jianqi.ren.cn(a)windriver.com> Signed-off-by: He Zhe <zhe.he(a)windriver.com> --- Verified the build test --- drivers/ufs/host/ufs-qcom.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index c5a6b133d364..51ed40529f9a 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1918,10 +1918,12 @@ static int ufs_qcom_probe(struct platform_device *pdev) static int ufs_qcom_remove(struct platform_device *pdev) { struct ufs_hba *hba = platform_get_drvdata(pdev); + struct ufs_qcom_host *host = ufshcd_get_variant(hba); pm_runtime_get_sync(&(pdev)->dev); ufshcd_remove(hba); - platform_msi_domain_free_irqs(hba->dev); + if (host->esi_enabled) + platform_msi_domain_free_irqs(hba->dev); return 0; } -- 2.25.1

2 months, 2 weeks

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[PATCH 5.10] gso: fix udp gso fraglist segmentation after pull from frag_list

by Alexey Nepomnyashih

From: Willem de Bruijn <willemb(a)google.com> commit a1e40ac5b5e9077fe1f7ae0eb88034db0f9ae1ab upstream. Detect gso fraglist skbs with corrupted geometry (see below) and pass these to skb_segment instead of skb_segment_list, as the first can segment them correctly. Valid SKB_GSO_FRAGLIST skbs - consist of two or more segments - the head_skb holds the protocol headers plus first gso_size - one or more frag_list skbs hold exactly one segment - all but the last must be gso_size Optional datapath hooks such as NAT and BPF (bpf_skb_pull_data) can modify these skbs, breaking these invariants. In extreme cases they pull all data into skb linear. For UDP, this causes a NULL ptr deref in __udpv4_gso_segment_list_csum at udp_hdr(seg->next)->dest. Detect invalid geometry due to pull, by checking head_skb size. Don't just drop, as this may blackhole a destination. Convert to be able to pass to regular skb_segment. Link: https://lore.kernel.org/netdev/20240428142913.18666-1-shiming.cheng@mediate… Fixes: 9fd1ff5d2ac7 ("udp: Support UDP fraglist GRO/GSO.") Signed-off-by: Willem de Bruijn <willemb(a)google.com> Cc: stable(a)vger.kernel.org Link: https://patch.msgid.link/20241001171752.107580-1-willemdebruijn.kernel@gmai… Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> Signed-off-by: Alexey Nepomnyashih <sdl(a)nppct.ru> --- net/ipv4/udp_offload.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index b6952b88b505..515d591d00b9 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -8,6 +8,7 @@ #include <linux/skbuff.h> #include <net/udp.h> +#include <net/ip6_checksum.h> #include <net/protocol.h> #include <net/inet_common.h> @@ -269,8 +270,26 @@ struct sk_buff *__udp_gso_segment(struct sk_buff *gso_skb, __sum16 check; __be16 newlen; - if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) - return __udp_gso_segment_list(gso_skb, features, is_ipv6); + if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) { + /* Detect modified geometry and pass those to skb_segment. */ + if (skb_pagelen(gso_skb) - sizeof(*uh) == skb_shinfo(gso_skb)->gso_size) + return __udp_gso_segment_list(gso_skb, features, is_ipv6); + + /* Setup csum, as fraglist skips this in udp4_gro_receive. */ + gso_skb->csum_start = skb_transport_header(gso_skb) - gso_skb->head; + gso_skb->csum_offset = offsetof(struct udphdr, check); + gso_skb->ip_summed = CHECKSUM_PARTIAL; + + uh = udp_hdr(gso_skb); + if (is_ipv6) + uh->check = ~udp_v6_check(gso_skb->len, + &ipv6_hdr(gso_skb)->saddr, + &ipv6_hdr(gso_skb)->daddr, 0); + else + uh->check = ~udp_v4_check(gso_skb->len, + ip_hdr(gso_skb)->saddr, + ip_hdr(gso_skb)->daddr, 0); + } mss = skb_shinfo(gso_skb)->gso_size; if (gso_skb->len <= sizeof(*uh) + mss) -- 2.43.0

2 months, 2 weeks

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[PATCH 2/2] accel/ivpu: Fix PM related deadlocks in MS IOCTLs

by Maciej Falkowski

From: Jacek Lawrynowicz <jacek.lawrynowicz(a)linux.intel.com> Prevent runtime resume/suspend while MS IOCTLs are in progress. Failed suspend will call ivpu_ms_cleanup() that would try to acquire file_priv->ms_lock, which is already held by the IOCTLs. Fixes: cdfad4db7756 ("accel/ivpu: Add NPU profiling support") Cc: <stable(a)vger.kernel.org> # v6.11+ Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz(a)linux.intel.com> Signed-off-by: Maciej Falkowski <maciej.falkowski(a)linux.intel.com> --- drivers/accel/ivpu/ivpu_debugfs.c | 4 ++-- drivers/accel/ivpu/ivpu_ms.c | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c index 0825851656a2..f0dad0c9ce33 100644 --- a/drivers/accel/ivpu/ivpu_debugfs.c +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -332,7 +332,7 @@ ivpu_force_recovery_fn(struct file *file, const char __user *user_buf, size_t si return -EINVAL; ret = ivpu_rpm_get(vdev); - if (ret) + if (ret < 0) return ret; ivpu_pm_trigger_recovery(vdev, "debugfs"); @@ -383,7 +383,7 @@ static int dct_active_set(void *data, u64 active_percent) return -EINVAL; ret = ivpu_rpm_get(vdev); - if (ret) + if (ret < 0) return ret; if (active_percent) diff --git a/drivers/accel/ivpu/ivpu_ms.c b/drivers/accel/ivpu/ivpu_ms.c index eb485cf15ad6..2a043baf10ca 100644 --- a/drivers/accel/ivpu/ivpu_ms.c +++ b/drivers/accel/ivpu/ivpu_ms.c @@ -45,6 +45,10 @@ int ivpu_ms_start_ioctl(struct drm_device *dev, void *data, struct drm_file *fil args->sampling_period_ns < MS_MIN_SAMPLE_PERIOD_NS) return -EINVAL; + ret = ivpu_rpm_get(vdev); + if (ret < 0) + return ret; + mutex_lock(&file_priv->ms_lock); if (get_instance_by_mask(file_priv, args->metric_group_mask)) { @@ -97,6 +101,8 @@ int ivpu_ms_start_ioctl(struct drm_device *dev, void *data, struct drm_file *fil kfree(ms); unlock: mutex_unlock(&file_priv->ms_lock); + + ivpu_rpm_put(vdev); return ret; } @@ -161,6 +167,10 @@ int ivpu_ms_get_data_ioctl(struct drm_device *dev, void *data, struct drm_file * if (!args->metric_group_mask) return -EINVAL; + ret = ivpu_rpm_get(vdev); + if (ret < 0) + return ret; + mutex_lock(&file_priv->ms_lock); ms = get_instance_by_mask(file_priv, args->metric_group_mask); @@ -188,6 +198,7 @@ int ivpu_ms_get_data_ioctl(struct drm_device *dev, void *data, struct drm_file * unlock: mutex_unlock(&file_priv->ms_lock); + ivpu_rpm_put(vdev); return ret; } @@ -205,11 +216,17 @@ int ivpu_ms_stop_ioctl(struct drm_device *dev, void *data, struct drm_file *file { struct ivpu_file_priv *file_priv = file->driver_priv; struct drm_ivpu_metric_streamer_stop *args = data; + struct ivpu_device *vdev = file_priv->vdev; struct ivpu_ms_instance *ms; + int ret; if (!args->metric_group_mask) return -EINVAL; + ret = ivpu_rpm_get(vdev); + if (ret < 0) + return ret; + mutex_lock(&file_priv->ms_lock); ms = get_instance_by_mask(file_priv, args->metric_group_mask); @@ -218,6 +235,7 @@ int ivpu_ms_stop_ioctl(struct drm_device *dev, void *data, struct drm_file *file mutex_unlock(&file_priv->ms_lock); + ivpu_rpm_put(vdev); return ms ? 0 : -EINVAL; } -- 2.43.0

2 months, 2 weeks

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[PATCH 1/2] accel/ivpu: Fix deadlock in ivpu_ms_cleanup()

by Maciej Falkowski

From: Jacek Lawrynowicz <jacek.lawrynowicz(a)linux.intel.com> Fix deadlock in ivpu_ms_cleanup() by preventing runtime resume after file_priv->ms_lock is acquired. During a failure in runtime resume, a cold boot is executed, which calls ivpu_ms_cleanup_all(). This function calls ivpu_ms_cleanup() that acquires file_priv->ms_lock and causes the deadlock. Fixes: cdfad4db7756 ("accel/ivpu: Add NPU profiling support") Cc: <stable(a)vger.kernel.org> # v6.11+ Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz(a)linux.intel.com> Signed-off-by: Maciej Falkowski <maciej.falkowski(a)linux.intel.com> --- drivers/accel/ivpu/ivpu_ms.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/accel/ivpu/ivpu_ms.c b/drivers/accel/ivpu/ivpu_ms.c index ffe7b10f8a76..eb485cf15ad6 100644 --- a/drivers/accel/ivpu/ivpu_ms.c +++ b/drivers/accel/ivpu/ivpu_ms.c @@ -4,6 +4,7 @@ */ #include <drm/drm_file.h> +#include <linux/pm_runtime.h> #include "ivpu_drv.h" #include "ivpu_gem.h" @@ -281,6 +282,9 @@ int ivpu_ms_get_info_ioctl(struct drm_device *dev, void *data, struct drm_file * void ivpu_ms_cleanup(struct ivpu_file_priv *file_priv) { struct ivpu_ms_instance *ms, *tmp; + struct ivpu_device *vdev = file_priv->vdev; + + pm_runtime_get_sync(vdev->drm.dev); mutex_lock(&file_priv->ms_lock); @@ -293,6 +297,8 @@ void ivpu_ms_cleanup(struct ivpu_file_priv *file_priv) free_instance(file_priv, ms); mutex_unlock(&file_priv->ms_lock); + + pm_runtime_put_autosuspend(vdev->drm.dev); } void ivpu_ms_cleanup_all(struct ivpu_device *vdev) -- 2.43.0

2 months, 2 weeks

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[PATCH 6.6 00/76] 6.6.85-rc2 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 6.6.85 release. There are 76 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Fri, 28 Mar 2025 15:43:33 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.6.85-rc2… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.6.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 6.6.85-rc2 Sebastian Andrzej Siewior <bigeasy(a)linutronix.de> netfilter: nft_counter: Use u64_stats_t for statistic. Benjamin Berg <benjamin.berg(a)intel.com> wifi: iwlwifi: mvm: ensure offloading TID queue exists Miri Korenblit <miriam.rachel.korenblit(a)intel.com> wifi: iwlwifi: support BIOS override for 5G9 in CA also in LARI version 8 Shravya KN <shravya.k-n(a)broadcom.com> bnxt_en: Fix receive ring space parameters when XDP is active Josef Bacik <josef(a)toxicpanda.com> btrfs: make sure that WRITTEN is set on all metadata blocks Dietmar Eggemann <dietmar.eggemann(a)arm.com> Revert "sched/core: Reduce cost of sched_move_task when config autogroup" Justin Klaassen <justin(a)tidylabs.net> arm64: dts: rockchip: fix u2phy1_host status for NanoPi R4S Mark Rutland <mark.rutland(a)arm.com> KVM: arm64: Eagerly switch ZCR_EL{1,2} Mark Rutland <mark.rutland(a)arm.com> KVM: arm64: Mark some header functions as inline Mark Rutland <mark.rutland(a)arm.com> KVM: arm64: Refactor exit handlers Mark Rutland <mark.rutland(a)arm.com> KVM: arm64: Remove VHE host restore of CPACR_EL1.SMEN Mark Rutland <mark.rutland(a)arm.com> KVM: arm64: Remove VHE host restore of CPACR_EL1.ZEN Mark Rutland <mark.rutland(a)arm.com> KVM: arm64: Remove host FPSIMD saving for non-protected KVM Mark Rutland <mark.rutland(a)arm.com> KVM: arm64: Unconditionally save+flush host FPSIMD/SVE/SME state Fuad Tabba <tabba(a)google.com> KVM: arm64: Calculate cptr_el2 traps on activating traps Arthur Mongodin <amongodin(a)randorisec.fr> mptcp: Fix data stream corruption in the address announcement Namjae Jeon <linkinjeon(a)kernel.org> ksmbd: fix incorrect validation for num_aces field of smb_acl Mario Limonciello <mario.limonciello(a)amd.com> drm/amd/display: Use HW lock mgr for PSR1 when only one eDP Martin Tsai <martin.tsai(a)amd.com> drm/amd/display: should support dmub hw lock on Replay David Rosca <david.rosca(a)amd.com> drm/amdgpu: Fix JPEG video caps max size for navi1x and raven David Rosca <david.rosca(a)amd.com> drm/amdgpu: Fix MPEG2, MPEG4 and VC1 video caps max size qianyi liu <liuqianyi125(a)gmail.com> drm/sched: Fix fence reference count leak Nikita Zhandarovich <n.zhandarovich(a)fintech.ru> drm/radeon: fix uninitialized size issue in radeon_vce_cs_parse() Saranya R <quic_sarar(a)quicinc.com> soc: qcom: pdr: Fix the potential deadlock Sven Eckelmann <sven(a)narfation.org> batman-adv: Ignore own maximum aggregation size during RX Gavrilov Ilia <Ilia.Gavrilov(a)infotecs.ru> xsk: fix an integer overflow in xp_create_and_assign_umem() Ard Biesheuvel <ardb(a)kernel.org> efi/libstub: Avoid physical address 0x0 when doing random allocation Geert Uytterhoeven <geert+renesas(a)glider.be> ARM: shmobile: smp: Enforce shmobile_smp_* alignment Stefan Eichenberger <stefan.eichenberger(a)toradex.com> ARM: dts: imx6qdl-apalis: Fix poweroff on Apalis iMX6 Shakeel Butt <shakeel.butt(a)linux.dev> memcg: drain obj stock on cpu hotplug teardown Ye Bin <yebin10(a)huawei.com> proc: fix UAF in proc_get_inode() Zi Yan <ziy(a)nvidia.com> mm/migrate: fix shmem xarray update during migration Raphael S. Carvalho <raphaelsc(a)scylladb.com> mm: fix error handling in __filemap_get_folio() with FGP_NOWAIT Gu Bowen <gubowen5(a)huawei.com> mmc: atmel-mci: Add missing clk_disable_unprepare() Kamal Dasu <kamal.dasu(a)broadcom.com> mmc: sdhci-brcmstb: add cqhci suspend/resume to PM ops Quentin Schulz <quentin.schulz(a)cherry.de> arm64: dts: rockchip: fix pinmux of UART0 for PX30 Ringneck on Haikou Stefan Eichenberger <stefan.eichenberger(a)toradex.com> arm64: dts: freescale: imx8mm-verdin-dahlia: add Microphone Jack to sound card Stefan Eichenberger <stefan.eichenberger(a)toradex.com> arm64: dts: freescale: imx8mp-verdin-dahlia: add Microphone Jack to sound card Dan Carpenter <dan.carpenter(a)linaro.org> accel/qaic: Fix integer overflow in qaic_validate_req() Christian Eggers <ceggers(a)arri.de> regulator: check that dummy regulator has been probed before using it Christian Eggers <ceggers(a)arri.de> regulator: dummy: force synchronous probing E Shattow <e(a)freeshell.de> riscv: dts: starfive: Fix a typo in StarFive JH7110 pin function definitions Maíra Canal <mcanal(a)igalia.com> drm/v3d: Don't run jobs that have errors flagged in its fence Haibo Chen <haibo.chen(a)nxp.com> can: flexcan: disable transceiver during system PM Haibo Chen <haibo.chen(a)nxp.com> can: flexcan: only change CAN state when link up in system PM Vincent Mailhol <mailhol.vincent(a)wanadoo.fr> can: ucan: fix out of bound read in strscpy() source Biju Das <biju.das.jz(a)bp.renesas.com> can: rcar_canfd: Fix page entries in the AFL list Andreas Kemnade <andreas(a)kemnade.info> i2c: omap: fix IRQ storms Guillaume Nault <gnault(a)redhat.com> Revert "gre: Fix IPv6 link-local address generation." Lin Ma <linma(a)zju.edu.cn> net/neighbor: add missing policy for NDTPA_QUEUE_LENBYTES Justin Iurman <justin.iurman(a)uliege.be> net: lwtunnel: fix recursion loops Dan Carpenter <dan.carpenter(a)linaro.org> net: atm: fix use after free in lec_send() Kuniyuki Iwashima <kuniyu(a)amazon.com> ipv6: Set errno after ip_fib_metrics_init() in ip6_route_info_create(). Kuniyuki Iwashima <kuniyu(a)amazon.com> ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw(). David Lechner <dlechner(a)baylibre.com> ARM: davinci: da850: fix selecting ARCH_DAVINCI_DA8XX Jeffrey Hugo <quic_jhugo(a)quicinc.com> accel/qaic: Fix possible data corruption in BOs > 2G Arkadiusz Bokowy <arkadiusz.bokowy(a)gmail.com> Bluetooth: hci_event: Fix connection regression between LE and non-LE adapters Dan Carpenter <dan.carpenter(a)linaro.org> Bluetooth: Fix error code in chan_alloc_skb_cb() Junxian Huang <huangjunxian6(a)hisilicon.com> RDMA/hns: Fix wrong value of max_sge_rd Junxian Huang <huangjunxian6(a)hisilicon.com> RDMA/hns: Fix a missing rollback in error path of hns_roce_create_qp_common() Junxian Huang <huangjunxian6(a)hisilicon.com> RDMA/hns: Fix unmatched condition in error path of alloc_user_qp_db() Junxian Huang <huangjunxian6(a)hisilicon.com> RDMA/hns: Fix soft lockup during bt pages loop Saravanan Vajravel <saravanan.vajravel(a)broadcom.com> RDMA/bnxt_re: Avoid clearing VLAN_ID mask in modify qp path Phil Elwell <phil(a)raspberrypi.com> ARM: dts: bcm2711: Don't mark timer regs unconfigured Arnd Bergmann <arnd(a)arndb.de> ARM: OMAP1: select CONFIG_GENERIC_IRQ_CHIP Qasim Ijaz <qasdev00(a)gmail.com> RDMA/mlx5: Handle errors returned from mlx5r_ib_rate() Kashyap Desai <kashyap.desai(a)broadcom.com> RDMA/bnxt_re: Add missing paranthesis in map_qp_id_to_tbl_indx Yao Zi <ziyao(a)disroot.org> arm64: dts: rockchip: Remove undocumented sdmmc property from lubancat-1 Phil Elwell <phil(a)raspberrypi.com> ARM: dts: bcm2711: PL011 UARTs are actually r1p5 Peng Fan <peng.fan(a)nxp.com> soc: imx8m: Unregister cpufreq and soc dev in cleanup path Marek Vasut <marex(a)denx.de> soc: imx8m: Use devm_* to simplify probe failure handling Marek Vasut <marex(a)denx.de> soc: imx8m: Remove global soc_uid Cosmin Ratiu <cratiu(a)nvidia.com> xfrm_output: Force software GSO only in tunnel mode Alexandre Cassen <acassen(a)corp.free.fr> xfrm: fix tunnel mode TX datapath in packet offload mode Alexander Stein <alexander.stein(a)ew.tq-group.com> arm64: dts: freescale: tqma8mpql: Fix vqmmc-supply Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> firmware: imx-scu: fix OF node leak in .probe() ------------- Diffstat: Makefile | 4 +- arch/arm/boot/dts/broadcom/bcm2711.dtsi | 11 +- arch/arm/boot/dts/nxp/imx/imx6qdl-apalis.dtsi | 10 +- arch/arm/mach-davinci/Kconfig | 1 + arch/arm/mach-omap1/Kconfig | 1 + arch/arm/mach-shmobile/headsmp.S | 1 + .../boot/dts/freescale/imx8mm-verdin-dahlia.dtsi | 6 +- .../arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi | 16 +-- .../boot/dts/freescale/imx8mp-verdin-dahlia.dtsi | 6 +- .../boot/dts/rockchip/px30-ringneck-haikou.dts | 2 + arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts | 2 +- arch/arm64/boot/dts/rockchip/rk3566-lubancat-1.dts | 1 - arch/arm64/include/asm/kvm_host.h | 7 +- arch/arm64/include/asm/kvm_hyp.h | 1 + arch/arm64/kernel/fpsimd.c | 25 ---- arch/arm64/kvm/arm.c | 1 - arch/arm64/kvm/fpsimd.c | 89 +++--------- arch/arm64/kvm/hyp/entry.S | 5 + arch/arm64/kvm/hyp/include/hyp/switch.h | 106 ++++++++++----- arch/arm64/kvm/hyp/nvhe/hyp-main.c | 15 +- arch/arm64/kvm/hyp/nvhe/pkvm.c | 29 +--- arch/arm64/kvm/hyp/nvhe/switch.c | 112 ++++++++++----- arch/arm64/kvm/hyp/vhe/switch.c | 13 +- arch/arm64/kvm/reset.c | 3 + arch/riscv/boot/dts/starfive/jh7110-pinfunc.h | 2 +- drivers/accel/qaic/qaic_data.c | 9 +- drivers/firmware/efi/libstub/randomalloc.c | 4 + drivers/firmware/imx/imx-scu.c | 1 + drivers/gpu/drm/amd/amdgpu/nv.c | 20 +-- drivers/gpu/drm/amd/amdgpu/soc15.c | 20 +-- drivers/gpu/drm/amd/amdgpu/vi.c | 36 ++--- .../gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c | 15 ++ drivers/gpu/drm/radeon/radeon_vce.c | 2 +- drivers/gpu/drm/scheduler/sched_entity.c | 11 +- drivers/gpu/drm/v3d/v3d_sched.c | 9 +- drivers/i2c/busses/i2c-omap.c | 26 +--- drivers/infiniband/hw/bnxt_re/qplib_fp.c | 2 - drivers/infiniband/hw/bnxt_re/qplib_rcfw.h | 3 +- drivers/infiniband/hw/hns/hns_roce_hem.c | 16 ++- drivers/infiniband/hw/hns/hns_roce_main.c | 2 +- drivers/infiniband/hw/hns/hns_roce_qp.c | 10 +- drivers/infiniband/hw/mlx5/ah.c | 14 +- drivers/mmc/host/atmel-mci.c | 4 +- drivers/mmc/host/sdhci-brcmstb.c | 10 ++ drivers/net/can/flexcan/flexcan-core.c | 18 ++- drivers/net/can/rcar/rcar_canfd.c | 28 ++-- drivers/net/can/usb/ucan.c | 43 +++--- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 10 +- drivers/net/wireless/intel/iwlwifi/fw/file.h | 4 +- drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 9 +- drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 37 ++++- drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 28 ++++ drivers/net/wireless/intel/iwlwifi/mvm/sta.h | 3 +- drivers/regulator/core.c | 12 +- drivers/regulator/dummy.c | 2 +- drivers/soc/imx/soc-imx8m.c | 151 ++++++++++----------- drivers/soc/qcom/pdr_interface.c | 8 +- fs/btrfs/tree-checker.c | 30 ++-- fs/btrfs/tree-checker.h | 1 + fs/proc/generic.c | 10 +- fs/proc/inode.c | 6 +- fs/proc/internal.h | 14 ++ fs/smb/server/smbacl.c | 5 +- include/linux/proc_fs.h | 7 +- include/net/bluetooth/hci.h | 2 +- kernel/sched/core.c | 22 +-- mm/filemap.c | 13 +- mm/memcontrol.c | 9 ++ mm/migrate.c | 10 +- net/atm/lec.c | 3 +- net/batman-adv/bat_iv_ogm.c | 3 +- net/batman-adv/bat_v_ogm.c | 3 +- net/bluetooth/6lowpan.c | 7 +- net/core/lwtunnel.c | 65 +++++++-- net/core/neighbour.c | 1 + net/ipv6/addrconf.c | 15 +- net/ipv6/route.c | 5 +- net/mptcp/options.c | 6 +- net/netfilter/nft_counter.c | 90 ++++++------ net/xdp/xsk_buff_pool.c | 2 +- net/xfrm/xfrm_output.c | 43 +++++- 81 files changed, 808 insertions(+), 600 deletions(-)

2 months, 2 weeks

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FAILED: patch "[PATCH] memcg: drain obj stock on cpu hotplug teardown" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 9f01b4954490d4ccdbcc2b9be34a9921ceee9cbb # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025032853-copy-crank-1c82@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 9f01b4954490d4ccdbcc2b9be34a9921ceee9cbb Mon Sep 17 00:00:00 2001 From: Shakeel Butt <shakeel.butt(a)linux.dev> Date: Mon, 10 Mar 2025 16:09:34 -0700 Subject: [PATCH] memcg: drain obj stock on cpu hotplug teardown Currently on cpu hotplug teardown, only memcg stock is drained but we need to drain the obj stock as well otherwise we will miss the stats accumulated on the target cpu as well as the nr_bytes cached. The stats include MEMCG_KMEM, NR_SLAB_RECLAIMABLE_B & NR_SLAB_UNRECLAIMABLE_B. In addition we are leaking reference to struct obj_cgroup object. Link: https://lkml.kernel.org/r/20250310230934.2913113-1-shakeel.butt@linux.dev Fixes: bf4f059954dc ("mm: memcg/slab: obj_cgroup API") Signed-off-by: Shakeel Butt <shakeel.butt(a)linux.dev> Reviewed-by: Roman Gushchin <roman.gushchin(a)linux.dev> Acked-by: Johannes Weiner <hannes(a)cmpxchg.org> Cc: Michal Hocko <mhocko(a)kernel.org> Cc: Muchun Song <muchun.song(a)linux.dev> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 8f9b35f80e24..a037ec92881d 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1921,9 +1921,18 @@ void drain_all_stock(struct mem_cgroup *root_memcg) static int memcg_hotplug_cpu_dead(unsigned int cpu) { struct memcg_stock_pcp *stock; + struct obj_cgroup *old; + unsigned long flags; stock = &per_cpu(memcg_stock, cpu); + + /* drain_obj_stock requires stock_lock */ + local_lock_irqsave(&memcg_stock.stock_lock, flags); + old = drain_obj_stock(stock); + local_unlock_irqrestore(&memcg_stock.stock_lock, flags); + drain_stock(stock); + obj_cgroup_put(old); return 0; }

2 months, 2 weeks

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[PATCH v2 5/8] landlock: Always allow signals between threads of the same process

by Mickaël Salaün

Because Linux credentials are managed per thread, user space relies on some hack to synchronize credential update across threads from the same process. This is required by the Native POSIX Threads Library and implemented by set*id(2) wrappers and libcap(3) to use tgkill(2) to synchronize threads. See nptl(7) and libpsx(3). Furthermore, some runtimes like Go do not enable developers to have control over threads [1]. To avoid potential issues, and because threads are not security boundaries, let's relax the Landlock (optional) signal scoping to always allow signals sent between threads of the same process. This exception is similar to the __ptrace_may_access() one. hook_file_set_fowner() now checks if the target task is part of the same process as the caller. If this is the case, then the related signal triggered by the socket will always be allowed. Scoping of abstract UNIX sockets is not changed because kernel objects (e.g. sockets) should be tied to their creator's domain at creation time. Note that creating one Landlock domain per thread puts each of these threads (and their future children) in their own scope, which is probably not what users expect, especially in Go where we do not control threads. However, being able to drop permissions on all threads should not be restricted by signal scoping. We are working on a way to make it possible to atomically restrict all threads of a process with the same domain [2]. Add erratum for signal scoping. Closes: https://github.com/landlock-lsm/go-landlock/issues/36 Fixes: 54a6e6bbf3be ("landlock: Add signal scoping") Fixes: c8994965013e ("selftests/landlock: Test signal scoping for threads") Depends-on: 26f204380a3c ("fs: Fix file_set_fowner LSM hook inconsistencies") Link: https://pkg.go.dev/kernel.org/pub/linux/libs/security/libcap/psx [1] Link: https://github.com/landlock-lsm/linux/issues/2 [2] Cc: Günther Noack <gnoack(a)google.com> Cc: Paul Moore <paul(a)paul-moore.com> Cc: Serge Hallyn <serge(a)hallyn.com> Cc: Tahera Fahimi <fahimitahera(a)gmail.com> Cc: stable(a)vger.kernel.org Acked-by: Christian Brauner <brauner(a)kernel.org> Signed-off-by: Mickaël Salaün <mic(a)digikod.net> Link: https://lore.kernel.org/r/20250318161443.279194-6-mic@digikod.net --- Changes since v1: - Add Acked-by Christian. - Add Landlock erratum. - Update subject. --- security/landlock/errata/abi-6.h | 19 ++++++++++++++++ security/landlock/fs.c | 22 +++++++++++++++---- security/landlock/task.c | 12 ++++++++++ .../selftests/landlock/scoped_signal_test.c | 2 +- 4 files changed, 50 insertions(+), 5 deletions(-) create mode 100644 security/landlock/errata/abi-6.h diff --git a/security/landlock/errata/abi-6.h b/security/landlock/errata/abi-6.h new file mode 100644 index 000000000000..df7bc0e1fdf4 --- /dev/null +++ b/security/landlock/errata/abi-6.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/** + * DOC: erratum_2 + * + * Erratum 2: Scoped signal handling + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This fix addresses an issue where signal scoping was overly restrictive, + * preventing sandboxed threads from signaling other threads within the same + * process if they belonged to different domains. Because threads are not + * security boundaries, user space might assume that any thread within the same + * process can send signals between themselves (see :manpage:`nptl(7)` and + * :manpage:`libpsx(3)`). Consistent with :manpage:`ptrace(2)` behavior, direct + * interaction between threads of the same process should always be allowed. + * This change ensures that any thread is allowed to send signals to any other + * thread within the same process, regardless of their domain. + */ +LANDLOCK_ERRATUM(2) diff --git a/security/landlock/fs.c b/security/landlock/fs.c index 71b9dc331aae..47c862fe14e4 100644 --- a/security/landlock/fs.c +++ b/security/landlock/fs.c @@ -27,7 +27,9 @@ #include <linux/mount.h> #include <linux/namei.h> #include <linux/path.h> +#include <linux/pid.h> #include <linux/rcupdate.h> +#include <linux/sched/signal.h> #include <linux/spinlock.h> #include <linux/stat.h> #include <linux/types.h> @@ -1630,15 +1632,27 @@ static int hook_file_ioctl_compat(struct file *file, unsigned int cmd, static void hook_file_set_fowner(struct file *file) { - struct landlock_ruleset *new_dom, *prev_dom; + struct fown_struct *fown = file_f_owner(file); + struct landlock_ruleset *new_dom = NULL; + struct landlock_ruleset *prev_dom; + struct task_struct *p; /* * Lock already held by __f_setown(), see commit 26f204380a3c ("fs: Fix * file_set_fowner LSM hook inconsistencies"). */ - lockdep_assert_held(&file_f_owner(file)->lock); - new_dom = landlock_get_current_domain(); - landlock_get_ruleset(new_dom); + lockdep_assert_held(&fown->lock); + + /* + * Always allow sending signals between threads of the same process. This + * ensures consistency with hook_task_kill(). + */ + p = pid_task(fown->pid, fown->pid_type); + if (!same_thread_group(p, current)) { + new_dom = landlock_get_current_domain(); + landlock_get_ruleset(new_dom); + } + prev_dom = landlock_file(file)->fown_domain; landlock_file(file)->fown_domain = new_dom; diff --git a/security/landlock/task.c b/security/landlock/task.c index dc7dab78392e..4578ce6e319d 100644 --- a/security/landlock/task.c +++ b/security/landlock/task.c @@ -13,6 +13,7 @@ #include <linux/lsm_hooks.h> #include <linux/rcupdate.h> #include <linux/sched.h> +#include <linux/sched/signal.h> #include <net/af_unix.h> #include <net/sock.h> @@ -264,6 +265,17 @@ static int hook_task_kill(struct task_struct *const p, /* Dealing with USB IO. */ dom = landlock_cred(cred)->domain; } else { + /* + * Always allow sending signals between threads of the same process. + * This is required for process credential changes by the Native POSIX + * Threads Library and implemented by the set*id(2) wrappers and + * libcap(3) with tgkill(2). See nptl(7) and libpsx(3). + * + * This exception is similar to the __ptrace_may_access() one. + */ + if (same_thread_group(p, current)) + return 0; + dom = landlock_get_current_domain(); } dom = landlock_get_applicable_domain(dom, signal_scope); diff --git a/tools/testing/selftests/landlock/scoped_signal_test.c b/tools/testing/selftests/landlock/scoped_signal_test.c index 475ee62a832d..767f117703b7 100644 --- a/tools/testing/selftests/landlock/scoped_signal_test.c +++ b/tools/testing/selftests/landlock/scoped_signal_test.c @@ -281,7 +281,7 @@ TEST(signal_scoping_threads) /* Restricts the domain after creating the first thread. */ create_scoped_domain(_metadata, LANDLOCK_SCOPE_SIGNAL); - ASSERT_EQ(EPERM, pthread_kill(no_sandbox_thread, 0)); + ASSERT_EQ(0, pthread_kill(no_sandbox_thread, 0)); ASSERT_EQ(1, write(thread_pipe[1], ".", 1)); ASSERT_EQ(0, pthread_create(&scoped_thread, NULL, thread_func, NULL)); -- 2.48.1

2 months, 2 weeks

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[PATCH v2] net: usb: usbnet: restore usb%d name exception for local mac addresses

by Dominique Martinet

commit 8a7d12d674ac ("net: usb: usbnet: fix name regression") assumed that local addresses always came from the kernel, but some devices hand out local mac addresses so we ended up with point-to-point devices with a mac set by the driver, renaming to eth%d when they used to be named usb%d. Userspace should not rely on device name, but for the sake of stability restore the local mac address check portion of the naming exception: point to point devices which either have no mac set by the driver or have a local mac handed out by the driver will keep the usb%d name. (some USB LTE modems are known to hand out a stable mac from the locally administered range; that mac appears to be random (different for mulitple devices) and can be reset with device-specific commands, so while such devices would benefit from getting a OUI reserved, we have to deal with these and might as well preserve the existing behavior to avoid breaking fragile openwrt configurations and such on upgrade.) Link: https://lkml.kernel.org/r/20241203130457.904325-1-asmadeus@codewreck.org Fixes: 8a7d12d674ac ("net: usb: usbnet: fix name regression") Cc: stable(a)vger.kernel.org Tested-by: Ahmed Naseef <naseefkm(a)gmail.com> Signed-off-by: Dominique Martinet <dominique.martinet(a)atmark-techno.com> --- Changes in v2: - Added Cc stable as requested - Fix block comment style (checkpatch warning) - Added some more details about the local device handing out local macs and openwrt, thank you for the reminder Ahmed. (FWIW this commit has been in our downstream tree all this time and we've had no obvious errors due to it) - Link to v1: https://lore.kernel.org/r/20241203130457.904325-1-asmadeus@codewreck.org --- drivers/net/usb/usbnet.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 44179f4e807fc350f3d5710f0bc5f42e6414fd6e..aeab2308b15008185336f717172b090739f4f9d0 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -178,6 +178,17 @@ int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress) } EXPORT_SYMBOL_GPL(usbnet_get_ethernet_addr); +static bool usbnet_needs_usb_name_format(struct usbnet *dev, struct net_device *net) +{ + /* Point to point devices which don't have a real MAC address + * (or report a fake local one) have historically used the usb%d + * naming. Preserve this.. + */ + return (dev->driver_info->flags & FLAG_POINTTOPOINT) != 0 && + (is_zero_ether_addr(net->dev_addr) || + is_local_ether_addr(net->dev_addr)); +} + static void intr_complete (struct urb *urb) { struct usbnet *dev = urb->context; @@ -1762,13 +1773,11 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) if (status < 0) goto out1; - // heuristic: "usb%d" for links we know are two-host, - // else "eth%d" when there's reasonable doubt. userspace - // can rename the link if it knows better. + /* heuristic: rename to "eth%d" if we are not sure this link + * is two-host (these links keep "usb%d") + */ if ((dev->driver_info->flags & FLAG_ETHER) != 0 && - ((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 || - /* somebody touched it*/ - !is_zero_ether_addr(net->dev_addr))) + !usbnet_needs_usb_name_format(dev, net)) strscpy(net->name, "eth%d", sizeof(net->name)); /* WLAN devices should always be named "wlan%d" */ if ((dev->driver_info->flags & FLAG_WLAN) != 0) --- base-commit: 0fed89a961ea851945d23cc35beb59d6e56c0964 change-id: 20250326-usbnet_rename-dff11e407634 Best regards, -- Dominique Martinet <dominique.martinet(a)atmark-techno.com>

2 months, 2 weeks

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[PATCH net,v2] net: mana: Switch to page pool for jumbo frames

by Haiyang Zhang

Frag allocators, such as netdev_alloc_frag(), were not designed to work for fragsz > PAGE_SIZE. So, switch to page pool for jumbo frames instead of using page frag allocators. This driver is using page pool for smaller MTUs already. Cc: stable(a)vger.kernel.org Fixes: 80f6215b450e ("net: mana: Add support for jumbo frame") Signed-off-by: Haiyang Zhang <haiyangz(a)microsoft.com> --- v2: updated the commit msg as suggested by Jakub Kicinski. --- drivers/net/ethernet/microsoft/mana/mana_en.c | 46 ++++--------------- 1 file changed, 9 insertions(+), 37 deletions(-) diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c index 9a8171f099b6..4d41f4cca3d8 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_en.c +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c @@ -661,30 +661,16 @@ int mana_pre_alloc_rxbufs(struct mana_port_context *mpc, int new_mtu, int num_qu mpc->rxbpre_total = 0; for (i = 0; i < num_rxb; i++) { - if (mpc->rxbpre_alloc_size > PAGE_SIZE) { - va = netdev_alloc_frag(mpc->rxbpre_alloc_size); - if (!va) - goto error; - - page = virt_to_head_page(va); - /* Check if the frag falls back to single page */ - if (compound_order(page) < - get_order(mpc->rxbpre_alloc_size)) { - put_page(page); - goto error; - } - } else { - page = dev_alloc_page(); - if (!page) - goto error; + page = dev_alloc_pages(get_order(mpc->rxbpre_alloc_size)); + if (!page) + goto error; - va = page_to_virt(page); - } + va = page_to_virt(page); da = dma_map_single(dev, va + mpc->rxbpre_headroom, mpc->rxbpre_datasize, DMA_FROM_DEVICE); if (dma_mapping_error(dev, da)) { - put_page(virt_to_head_page(va)); + put_page(page); goto error; } @@ -1672,7 +1658,7 @@ static void mana_rx_skb(void *buf_va, bool from_pool, } static void *mana_get_rxfrag(struct mana_rxq *rxq, struct device *dev, - dma_addr_t *da, bool *from_pool, bool is_napi) + dma_addr_t *da, bool *from_pool) { struct page *page; void *va; @@ -1683,21 +1669,6 @@ static void *mana_get_rxfrag(struct mana_rxq *rxq, struct device *dev, if (rxq->xdp_save_va) { va = rxq->xdp_save_va; rxq->xdp_save_va = NULL; - } else if (rxq->alloc_size > PAGE_SIZE) { - if (is_napi) - va = napi_alloc_frag(rxq->alloc_size); - else - va = netdev_alloc_frag(rxq->alloc_size); - - if (!va) - return NULL; - - page = virt_to_head_page(va); - /* Check if the frag falls back to single page */ - if (compound_order(page) < get_order(rxq->alloc_size)) { - put_page(page); - return NULL; - } } else { page = page_pool_dev_alloc_pages(rxq->page_pool); if (!page) @@ -1730,7 +1701,7 @@ static void mana_refill_rx_oob(struct device *dev, struct mana_rxq *rxq, dma_addr_t da; void *va; - va = mana_get_rxfrag(rxq, dev, &da, &from_pool, true); + va = mana_get_rxfrag(rxq, dev, &da, &from_pool); if (!va) return; @@ -2172,7 +2143,7 @@ static int mana_fill_rx_oob(struct mana_recv_buf_oob *rx_oob, u32 mem_key, if (mpc->rxbufs_pre) va = mana_get_rxbuf_pre(rxq, &da); else - va = mana_get_rxfrag(rxq, dev, &da, &from_pool, false); + va = mana_get_rxfrag(rxq, dev, &da, &from_pool); if (!va) return -ENOMEM; @@ -2258,6 +2229,7 @@ static int mana_create_page_pool(struct mana_rxq *rxq, struct gdma_context *gc) pprm.nid = gc->numa_node; pprm.napi = &rxq->rx_cq.napi; pprm.netdev = rxq->ndev; + pprm.order = get_order(rxq->alloc_size); rxq->page_pool = page_pool_create(&pprm); -- 2.34.1

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Linux-stable-mirror March 2025