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2f1b13521d
Fix the similar warning when hotplugging: [ 155.585721] kernfs: can not remove 'enforce_isolation', no directory [ 155.592201] WARNING: CPU: 3 PID: 6960 at fs/kernfs/dir.c:1683 kernfs_remove_by_name_ns+0xb9/0xc0 [ 155.601145] Modules linked in: xt_MASQUERADE xt_comment nft_compat veth bridge stp llc overlay nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr intel_rapl_msr amd_atl intel_rapl_common amd64_edac edac_mce_amd amdgpu kvm_amd kvm ipmi_ssif amdxcp rapl drm_exec gpu_sched drm_buddy i2c_algo_bit drm_suballoc_helper drm_ttm_helper ttm pcspkr drm_display_helper acpi_cpufreq drm_kms_helper video wmi k10temp i2c_piix4 acpi_ipmi ipmi_si drm zram ip_tables loop squashfs dm_multipath crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 sha256_ssse3 sha1_ssse3 sp5100_tco ixgbe rfkill ccp dca sunrpc be2iscsi bnx2i cnic uio cxgb4i cxgb4 tls cxgb3i cxgb3 mdio libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ipmi_devintf ipmi_msghandler fuse [ 155.685224] systemd-journald[1354]: Compressed data object 957 -> 524 using ZSTD [ 155.685687] CPU: 3 PID: 6960 Comm: amd_pci_unplug Not tainted 6.10.0-1148853.1.zuul.164395107d6642bdb451071313e9378d #1 [ 155.704149] Hardware name: TYAN B8021G88V2HR-2T/S8021GM2NR-2T, BIOS V1.03.B10 04/01/2019 [ 155.712383] RIP: 0010:kernfs_remove_by_name_ns+0xb9/0xc0 [ 155.717805] Code: a0 00 48 89 ef e8 37 96 c7 ff 5b b8 fe ff ff ff 5d 41 5c 41 5d e9 f7 96 a0 00 0f 0b eb ab 48 c7 c7 48 ba 7e 8f e8 f7 66 bf ff <0f> 0b eb dc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 155.736766] RSP: 0018:ffffb1685d7a3e20 EFLAGS: 00010296 [ 155.742108] RAX: 0000000000000038 RBX: ffff929e94c80000 RCX: 0000000000000000 [ 155.749363] RDX: ffff928e1efaf200 RSI: ffff928e1efa18c0 RDI: ffff928e1efa18c0 [ 155.756612] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000003 [ 155.763855] R10: ffffb1685d7a3cd8 R11: ffffffff8fb3e1c8 R12: ffffffffc1ef5341 [ 155.771104] R13: ffff929e94cc5530 R14: 0000000000000000 R15: 0000000000000000 [ 155.778357] FS: 00007fd9dd8d9c40(0000) GS:ffff928e1ef80000(0000) knlGS:0000000000000000 [ 155.786594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.792450] CR2: 0000561245ceee38 CR3: 0000000113018000 CR4: 00000000003506f0 [ 155.799702] Call Trace: [ 155.802254] <TASK> [ 155.804460] ? __warn+0x80/0x120 [ 155.807798] ? kernfs_remove_by_name_ns+0xb9/0xc0 [ 155.812617] ? report_bug+0x164/0x190 [ 155.816393] ? handle_bug+0x3c/0x80 [ 155.819994] ? exc_invalid_op+0x17/0x70 [ 155.823939] ? asm_exc_invalid_op+0x1a/0x20 [ 155.828235] ? kernfs_remove_by_name_ns+0xb9/0xc0 [ 155.833058] amdgpu_gfx_sysfs_fini+0x59/0xd0 [amdgpu] [ 155.838637] gfx_v9_0_sw_fini+0x123/0x1c0 [amdgpu] [ 155.843887] amdgpu_device_fini_sw+0xbc/0x3e0 [amdgpu] [ 155.849432] amdgpu_driver_release_kms+0x16/0x30 [amdgpu] [ 155.855235] drm_dev_put.part.0+0x3c/0x60 [drm] [ 155.859914] drm_release+0x8b/0xc0 [drm] [ 155.863978] __fput+0xf1/0x2c0 [ 155.867141] __x64_sys_close+0x3c/0x80 [ 155.870998] do_syscall_64+0x64/0x170 V2: Add details in comments (Tim) Signed-off-by: Jesse Zhang <jesse.zhang@amd.com> Reported-by: Andy Dong <andy.dong@amd.com> Reviewed-by: Tim Huang <tim.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.