diff options
| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-17 09:10:43 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-17 09:10:43 +0200 |
| commit | f2ec263023649e596c5076df32c2d328bc9393d2 (patch) | |
| tree | 5dd86caab46e552bd2e62bf9c4fb1a7504a44db4 /results/scraper/fex/2589 | |
| parent | 63d2e9d409831aa8582787234cae4741847504b7 (diff) | |
| download | qemu-analysis-main.tar.gz qemu-analysis-main.zip | |
Diffstat (limited to 'results/scraper/fex/2589')
| -rw-r--r-- | results/scraper/fex/2589 | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/results/scraper/fex/2589 b/results/scraper/fex/2589 new file mode 100644 index 000000000..e2c8ded72 --- /dev/null +++ b/results/scraper/fex/2589 @@ -0,0 +1,191 @@ +Linux kernel uprev UAPI investigations +FEX currently exposes kernel version up to 5.18. Need to investigate UAPI changes to ensure it's safe to uprev. + +- 5.19 + - Seems fine without any changes. + - Detected Changes + - si_perf_flags added to siginfo. FEX doesn't support. + - SO_RCVMARK Added to socket. FEX never touches + - agpgart changes. FEX doesn't support. + - BPF added some stuff. FEX doesn't support. + - io_uring changing some structs. Strictly padded so will just work. + - io_uring async ioctls added. FEX doesn't have coverage. Should just work. + - landlock added a bit. FEX doesn't care. + - Syscalls + - None added. + - DRM + - Already handled. +- 6.0 + - Seems fine without any changes. + - Detected Changes + - BPF added some stuff. FEX doesn't support. + - dma_buf added two new ioctls. FEX doesn't have coverage. Should just work. + - io_uring added more flags. Should just work. + - v4l2 has some new structs. No coverage. So if it is broken we wouldn't know anyway. Not like x86 apps care about v4l2. + - HabanaLabs added some stuff. Don't care if it is broken. + - Syscalls + - None added. + - DRM + - Already handled. +- 6.1 + - Seems fine without any changes. + - Detected Changes + - MADV_COLLAPSE added. Will just work. + - Panfrost added some userspace coredump stuff. Looks padded fine. + - More BPF stuff. + - io_uring added a couple things. Should just work. + - Syscalls + - None added. + - DRM + - Already handled. +- 6.2 + - Seems fine without any changes. + - Detected Changes + - BPF added more stuff again. + - btrfs added some stuff. We don't care about this. + - Fuse adds some parallel write support. Will be fine. + - iommufd ioctls added. They fucked up tail padding on some of these ioctls but since I have no idea what this is for, I don't care. + - landlock added fs_truncate. Will be fine. + - HabanaLabs added more things. Still don't care. + - Syscalls + - None added. + - DRM + - Already handled. #2590 +- 6.3 + - Needs work to expose because of the new prctl! + - Detected Changes + - `drm_amdgpu_info_device` added more elements. Will be fine. + - i810 drm removed. + - ivpu drm added. This is their FPGA vision system thing. Packing seems fine. Will fall down generic path and print a warning. + - mga_drm removed + - r128_drm removed + - savage_drm removed + - sis_drm removed + - via_drm removed + - BPF added more stuff again. + - fuse added some stuff. Should be fine. + - prctl PR_{GET,SET}_MDWE added. + - This is dangerous for FEX! It disallows allocating any more memory as `WX`. Which means as soon as this is called, FEX's JIT breaks. + - Can't be undone once enabled. Will likely need to be emulated in syscall handlers. + - rseq adds more fields, should be fine. + - v4l2 adds two new ioctls. Don't care. + - Syscalls + - None added. + - DRM + - amdgpu: Adds some more queries to `IOCTL_AMDGPU_INFO`. FEX doesn't care. + - msm: Default BO_FLAGS options adds `NO_IMPLICIT`. FEX doesn't care. +- 6.4+ (Not released as of 2023-04-09) + - drm/amdgpu: https://patchwork.freedesktop.org/patch/531519/ + - Needs release before full investigation. + +- 6.5 + - cachestat syscall + - new SNDRV ioctls (Needs investigation) + - **Things that FEX doesn't care about** + - Some drm additions that don't change ABI + - bpf additions + - New eventfd flags + - New fcntl `AT_HANDLE_FID` flag + - New FUSE `FUSE_HAS_EXPIRE_ONLY` flag + - new io_uring flags + - new mount flags + - New v4l2 flags + - new VFIO flags + - new asound flags +- 6.6 + - fchmodat syscall + - new `DRM_IOCTL_SYNCOBJ_EVENTFD` ioctl (already implemented) + - New seccomp flags + - `SECCOMP_USER_NOTIF_FD_SYNC_WAKE_UP` + - `SECCOMP_IOCTL_NOTIF_SET_FLAGS` + - Will matter when FEX supports user_notif + - **Things that FEX doesn't care about** + - fuse statx thing + - io_uring flags + - iommufd ioctls + - vfio additions +- 6.7 + - New syscalls - already implemented + - map_shadow_stack, futex_wake, futex_wait, futex_requeue + - **Things that FEX doesn't care about** + - btrfs things + - new fuse flags + - New futex2 flags for 8-bit, 16-bit, 32-bit, 64-bit sizes + - io_uring changes + - iommufd again + - landlock changes + - more vfio changes +- 6.8 + - syscall additions + - statmount, listmount, lsm_get_self_attr, lsm_set_self_attr, lsm_list_modules + - more drm ioctl changes + - pvr_drm + - v3d ioctls + - xe_drm + - virtgpu drm flags + - **Things that FEX doesn't care about** + - bpf changes + - soft pages flag thing + - more iommufd things + - kvm changes + - lsm stuff + - mount flags + - netdev changes + - sync_file dead line ioctl + - v4l2 changes + - virtio changes + - asound flag changes +- 6.9 + - **Things that FEX doesn't care about** + - i915 guc change + - More bpf changes + - fs ioctl changes + - fuse changes (fopen passthrough!) + - io_uring changes + - kfd_ioctl changes + - kvm changes + - virtio gpu capset changes + - virtio sound stuff + - auxv + - AT_HWCAP3, AT_HWCAP4 + - Reserved for PowerPC things, x86 won't use it yet. +- 6.10 + - mseal syscall + - panthor_drm + - xe_drm changes + - fcntl notification flags + - Will just get passed through (F_NOTIFY, F_DUPFD_QUERY) + - NTSYNC semaphore ioctl! + - Nothing for FEX to do here, will get passed through + - **Things that FEX doesn't care about** + - i915 changes + - bpf changes + - ethtool changes + - landlock flags + - trace mmap ioctl + - more v4l2 changes + - virtio_net changes + +- 6.11 + - getrandom inside of vdso + - **Things that FEX doesn't care about** + - bpf additions + - btrfs additions + - ethtool things + - procmap_query ioctl - We don't emulate any procfs ioctls + - iommufd things? + - kfd_ioctl additions + - kvm things + - landlock things + - pi things + - mount namespace id ioctl adding + - tcp metrics + - statx atomic write fields +- 6.12 + - some new ioctls + - asound added some at least + - Needs more investigation +- 6.13 + - New drm base ioctl + - New xattr syscalls + - Needs more investigation. \ No newline at end of file |