From: Sasha Levin <sashal@kernel.org>
To: "Christian König" <christian.koenig@amd.com>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Lijo Lazar <lijo.lazar@amd.com>,
Alex Deucher <alexander.deucher@amd.com>,
Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch,
sumit.semwal@linaro.org, mario.limonciello@amd.com,
Hawking.Zhang@amd.com, le.ma@amd.com, hamza.mahfooz@amd.com,
andrealmeid@igalia.com, victorchengchi.lu@amd.com,
sunil.khatri@amd.com, chenxb_99091@126.com,
victor.skvortsov@amd.com, Jun.Ma2@amd.com, Yunxiang.Li@amd.com,
Felix.Kuehling@amd.com, Arunpravin.PaneerSelvam@amd.com,
tvrtko.ursulin@igalia.com, pierre-eric.pelloux-prayer@amd.com,
Wang.Beyond@amd.com, shashank.sharma@amd.com,
zhenguo.yin@amd.com, jesse.zhang@amd.com, Philip.Yang@amd.com,
rajneesh.bhardwaj@amd.com, Tim.Huang@amd.com,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org
Subject: Re: [PATCH AUTOSEL 6.11 72/76] drm/amdgpu: nuke the VM PD/PT shadow handling
Date: Tue, 8 Oct 2024 09:04:39 -0400 [thread overview]
Message-ID: <ZwUt5zNpjTMzweM9@sashalap> (raw)
In-Reply-To: <bc1f6bc0-6512-48e0-9f97-c607b34e9ab1@amd.com>
On Tue, Oct 08, 2024 at 08:46:01AM +0200, Christian König wrote:
>Hi Sasha,
>
>Am 04.10.24 um 20:17 schrieb Sasha Levin:
>>From: Christian König <christian.koenig@amd.com>
>>
>>[ Upstream commit 7181faaa4703705939580abffaf9cb5d6b50dbb7 ]
>>
>>This was only used as workaround for recovering the page tables after
>>VRAM was lost and is no longer necessary after the function
>>amdgpu_vm_bo_reset_state_machine() started to do the same.
>>
>>Compute never used shadows either, so the only proplematic case left is
>>SVM and that is most likely not recoverable in any way when VRAM is
>>lost.
>
>why is that backported to older kernels? It's basically just removing
>an old and now unused feature.
>
>Lijo pointed out a related bug fixed by removing the feature, but that
>only happens extremely rarely and in my view doesn't really justify a
>backport.
I'll drop it then, thanks!
--
Thanks,
Sasha
next prev parent reply other threads:[~2024-10-08 13:04 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-04 18:16 [PATCH AUTOSEL 6.11 01/76] bpf: Call the missed btf_record_free() when map creation fails Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 02/76] selftests/bpf: Fix ARG_PTR_TO_LONG {half-,}uninitialized test Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 03/76] bpf: Fix a sdiv overflow issue Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 04/76] bpf: Check percpu map value size first Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 05/76] bpftool: Fix undefined behavior in qsort(NULL, 0, ...) Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 06/76] bpftool: Fix undefined behavior caused by shifting into the sign bit Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 07/76] s390/boot: Compile all files with the same march flag Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 08/76] s390/facility: Disable compile time optimization for decompressor code Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 09/76] s390/mm: Add cond_resched() to cmm_alloc/free_pages() Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 10/76] bpf, x64: Fix a jit convergence issue Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 11/76] ext4: fix i_data_sem unlock order in ext4_ind_migrate() Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 12/76] ext4: avoid use-after-free in ext4_ext_show_leaf() Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 13/76] ext4: ext4_search_dir should return a proper error Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 14/76] iomap: fix iomap_dio_zero() for fs bs > system page size Sasha Levin
2024-10-04 22:46 ` Dave Chinner
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 15/76] ext4: don't set SB_RDONLY after filesystem errors Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 16/76] ext4: nested locking for xattr inode Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 17/76] s390/cpum_sf: Remove WARN_ON_ONCE statements Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 18/76] ext4: filesystems without casefold feature cannot be mounted with siphash Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 19/76] s390/traps: Handle early warnings gracefully Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 20/76] bpf: Prevent tail call between progs attached to different hooks Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 21/76] ktest.pl: Avoid false positives with grub2 skip regex Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 22/76] RDMA/mad: Improve handling of timed out WRs of mad agent Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 23/76] soundwire: intel_bus_common: enable interrupts before exiting reset Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 24/76] PCI: Add function 0 DMA alias quirk for Glenfly Arise chip Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 25/76] RDMA/rtrs-srv: Avoid null pointer deref during path establishment Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 26/76] clk: bcm: bcm53573: fix OF node leak in init Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 27/76] PCI: Add ACS quirk for Qualcomm SA8775P Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 28/76] i2c: i801: Use a different adapter-name for IDF adapters Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 29/76] PCI: Mark Creative Labs EMU20k2 INTx masking as broken Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 30/76] i3c: master: cdns: Fix use after free vulnerability in cdns_i3c_master Driver Due to Race Condition Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 31/76] RISC-V: Don't have MAX_PHYSMEM_BITS exceed phys_addr_t Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 32/76] io_uring: check if we need to reschedule during overflow flush Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 33/76] ntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 34/76] mfd: intel_soc_pmic_chtwc: Make Lenovo Yoga Tab 3 X90F DMI match less strict Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 35/76] mfd: intel-lpss: Add Intel Arrow Lake-H LPSS PCI IDs Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 36/76] mfd: intel-lpss: Add Intel Panther Lake " Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 37/76] riscv: Omit optimized string routines when using KASAN Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 38/76] riscv: avoid Imbalance in RAS Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 39/76] RDMA/mlx5: Enforce umem boundaries for explicit ODP page faults Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 40/76] PCI: qcom: Disable mirroring of DBI and iATU register space in BAR region Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 41/76] PCI: endpoint: Assign PCI domain number for endpoint controllers Sasha Levin
2024-10-04 18:16 ` [PATCH AUTOSEL 6.11 42/76] soundwire: cadence: re-check Peripheral status with delayed_work Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 43/76] riscv/kexec_file: Fix relocation type R_RISCV_ADD16 and R_RISCV_SUB16 unknown Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 44/76] media: videobuf2-core: clear memory related fields in __vb2_plane_dmabuf_put() Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 45/76] remoteproc: imx_rproc: Use imx specific hook for find_loaded_rsc_table Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 46/76] clk: imx: Remove CLK_SET_PARENT_GATE for DRAM mux for i.MX7D Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 47/76] fs: nfs: fix missing refcnt by replacing folio_set_private by folio_attach_private Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 48/76] fuse: allow O_PATH fd for FUSE_DEV_IOC_BACKING_OPEN Sasha Levin
2024-10-07 10:15 ` Miklos Szeredi
2024-10-11 13:51 ` Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 49/76] fuse: handle idmappings properly in ->write_iter() Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 50/76] serial: protect uart_port_dtr_rts() in uart_shutdown() too Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 51/76] usb: typec: tipd: Free IRQ only if it was requested before Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 52/76] usb: typec: ucsi: Don't truncate the reads Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 53/76] usb: chipidea: udc: enable suspend interrupt after usb reset Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 54/76] usb: dwc2: Adjust the timing of USB Driver Interrupt Registration in the Crashkernel Scenario Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 55/76] xhci: dbc: Fix STALL transfer event handling Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 56/76] usb: host: xhci-plat: Parse xhci-missing_cas_quirk and apply quirk Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 57/76] comedi: ni_routing: tools: Check when the file could not be opened Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 58/76] LoongArch: Fix memleak in pci_acpi_scan_root() Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 59/76] netfilter: nf_nat: don't try nat source port reallocation for reverse dir clash Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 60/76] netfilter: nf_reject: Fix build warning when CONFIG_BRIDGE_NETFILTER=n Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 61/76] virtio_pmem: Check device status before requesting flush Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 62/76] tools/iio: Add memory allocation failure check for trigger_name Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 63/76] staging: vme_user: added bound check to geoid Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 64/76] usb: gadget: uvc: Fix ERR_PTR dereference in uvc_v4l2.c Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 65/76] dm vdo: don't refer to dedupe_context after releasing it Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 66/76] driver core: bus: Fix double free in driver API bus_register() Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 67/76] driver core: bus: Return -EIO instead of 0 when show/store invalid bus attribute Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 68/76] scsi: lpfc: Add ELS_RSP cmd to the list of WQEs to flush in lpfc_els_flush_cmd() Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 69/76] scsi: lpfc: Ensure DA_ID handling completion before deleting an NPIV instance Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 70/76] scsi: lpfc: Revise TRACE_EVENT log flag severities from KERN_ERR to KERN_WARNING Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 71/76] drm/xe/oa: Fix overflow in oa batch buffer Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 72/76] drm/amdgpu: nuke the VM PD/PT shadow handling Sasha Levin
2024-10-08 6:46 ` Christian König
2024-10-08 13:04 ` Sasha Levin [this message]
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 73/76] drm/amd/display: Check null pointer before dereferencing se Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 74/76] fbcon: Fix a NULL pointer dereference issue in fbcon_putcs Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 75/76] smb: client: fix UAF in async decryption Sasha Levin
2024-10-04 18:17 ` [PATCH AUTOSEL 6.11 76/76] fbdev: sisfb: Fix strbuf array overflow Sasha Levin
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