From: Christoph Hellwig <hch@infradead.org>
To: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
christian.koenig@amd.com, Oleg Nesterov <oleg@redhat.com>,
linux-kernel@vger.kernel.org, Dave Airlie <airlied@redhat.com>,
Lucas De Marchi <lucas.demarchi@intel.com>,
Matthew Brost <matthew.brost@intel.com>,
Andi Shyti <andi.shyti@intel.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Maciej Patelczyk <maciej.patelczyk@linux.intel.com>,
Dominik Grzegorzek <dominik.grzegorzek@intel.com>,
Jonathan Cavitt <jonathan.cavitt@intel.com>,
Andi Shyti <andi.shyti@linux.intel.com>
Subject: Re: [PATCH 01/26] ptrace: export ptrace_may_access
Date: Mon, 9 Dec 2024 20:29:38 -0800 [thread overview]
Message-ID: <Z1fDsvIKB4j_-Tv_@infradead.org> (raw)
In-Reply-To: <20241209133318.1806472-2-mika.kuoppala@linux.intel.com>
On Mon, Dec 09, 2024 at 03:32:52PM +0200, Mika Kuoppala wrote:
> xe driver would like to allow fine grained access control
> for GDB debugger using ptrace. Without this export, the only
> option would be to check for CAP_SYS_ADMIN.
>
> The check intended for an ioctl to attach a GPU debugger
> is similar to the ptrace use case: allow a calling process
> to manipulate a target process if it has the necessary
> capabilities or the same permissions, as described in
> Documentation/process/adding-syscalls.rst.
>
> Export ptrace_may_access function to allow GPU debugger to
> have identical access control for debugger(s)
> as a CPU debugger.
This seems to mis an actual user or you forgot to Cc linux-kernel on it.
next prev parent reply other threads:[~2024-12-10 4:29 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-09 13:32 [PATCH 00/26] Intel Xe GPU debug support (eudebug) v3 Mika Kuoppala
2024-12-09 13:32 ` [PATCH 01/26] ptrace: export ptrace_may_access Mika Kuoppala
2024-12-10 4:29 ` Christoph Hellwig [this message]
2024-12-12 9:16 ` Joonas Lahtinen
2024-12-09 13:32 ` [PATCH 02/26] drm/xe/eudebug: Introduce eudebug support Mika Kuoppala
2024-12-09 13:32 ` [PATCH 03/26] drm/xe/eudebug: Introduce discovery for resources Mika Kuoppala
2024-12-09 13:32 ` [PATCH 04/26] drm/xe/eudebug: Introduce exec_queue events Mika Kuoppala
2024-12-09 13:32 ` [PATCH 05/26] drm/xe/eudebug: Introduce exec queue placements event Mika Kuoppala
2024-12-09 13:32 ` [PATCH 06/26] drm/xe/eudebug: hw enablement for eudebug Mika Kuoppala
2024-12-09 13:32 ` [PATCH 07/26] drm/xe: Add EUDEBUG_ENABLE exec queue property Mika Kuoppala
2024-12-09 13:32 ` [PATCH 08/26] drm/xe/eudebug: Introduce per device attention scan worker Mika Kuoppala
2024-12-09 13:33 ` [PATCH 09/26] drm/xe/eudebug: Introduce EU control interface Mika Kuoppala
2024-12-09 13:33 ` [PATCH 10/26] drm/xe/eudebug: Add vm bind and vm bind ops Mika Kuoppala
2024-12-09 13:33 ` [PATCH 11/26] drm/xe/eudebug: Add UFENCE events with acks Mika Kuoppala
2024-12-09 13:33 ` [PATCH 12/26] drm/xe/eudebug: vm open/pread/pwrite Mika Kuoppala
2024-12-09 13:33 ` [PATCH 13/26] drm/xe: add system memory page iterator support to xe_res_cursor Mika Kuoppala
2024-12-09 13:33 ` [PATCH 14/26] drm/xe/eudebug: implement userptr_vma access Mika Kuoppala
2024-12-09 14:03 ` Christian König
2024-12-09 14:56 ` Joonas Lahtinen
2024-12-09 15:31 ` Simona Vetter
2024-12-09 15:42 ` Christian König
2024-12-09 15:45 ` Christian König
2024-12-10 9:33 ` Joonas Lahtinen
2024-12-10 10:00 ` Christian König
2024-12-10 11:57 ` Joonas Lahtinen
2024-12-10 14:03 ` Christian König
2024-12-11 12:59 ` Joonas Lahtinen
2024-12-17 14:12 ` Joonas Lahtinen
2024-12-20 12:47 ` Mika Kuoppala
2024-12-10 11:17 ` Simona Vetter
2024-12-12 8:49 ` Thomas Hellström
2024-12-12 10:12 ` Simona Vetter
2024-12-13 19:39 ` Matthew Brost
2024-12-16 14:17 ` [PATCH 13/26] RFC drm/xe/eudebug: userptr vm pread/pwrite Mika Kuoppala
2024-12-20 11:31 ` Mika Kuoppala
2024-12-20 12:56 ` Christian König
2025-01-29 8:03 ` Joonas Lahtinen
2025-01-29 10:33 ` Christian König
2025-01-29 18:18 ` Joonas Lahtinen
2025-01-30 12:09 ` Christian König
2024-12-23 10:31 ` Thomas Hellström
2025-01-13 13:22 ` Mika Kuoppala
2025-01-13 13:32 ` [PATCH 13/27] mm: export access_remote_vm symbol for debugger use Mika Kuoppala
2025-01-13 13:32 ` [PATCH 14/27] drm/xe/eudebug: userptr vm access pread/pwrite Mika Kuoppala
2024-12-09 13:33 ` [PATCH 15/26] drm/xe: Debug metadata create/destroy ioctls Mika Kuoppala
2024-12-09 13:33 ` [PATCH 16/26] drm/xe: Attach debug metadata to vma Mika Kuoppala
2024-12-09 13:33 ` [PATCH 17/26] drm/xe/eudebug: Add debug metadata support for xe_eudebug Mika Kuoppala
2024-12-09 13:33 ` [PATCH 18/26] drm/xe/eudebug: Implement vm_bind_op discovery Mika Kuoppala
2024-12-09 13:33 ` [PATCH 19/26] drm/xe/eudebug: Dynamically toggle debugger functionality Mika Kuoppala
2024-12-09 13:33 ` [PATCH 20/26] drm/xe/eudebug_test: Introduce xe_eudebug wa kunit test Mika Kuoppala
2024-12-09 13:33 ` [PATCH 21/26] drm/xe/eudebug/ptl: Add support for extra attention register Mika Kuoppala
2024-12-09 13:33 ` [PATCH 22/26] drm/xe/eudebug/ptl: Add RCU_DEBUG_1 register support for xe3 Mika Kuoppala
2024-12-09 13:33 ` [PATCH 23/26] drm/xe/eudebug: Add read/count/compare helper for eu attention Mika Kuoppala
2024-12-09 13:33 ` [PATCH 24/26] drm/xe/eudebug: Introduce EU pagefault handling interface Mika Kuoppala
2024-12-09 13:33 ` [PATCH 25/26] drm/xe/vm: Support for adding null page VMA to VM on request Mika Kuoppala
2024-12-09 13:33 ` [PATCH 26/26] drm/xe/eudebug: Enable EU pagefault handling Mika Kuoppala
2024-12-09 14:37 ` ✓ CI.Patch_applied: success for Intel Xe GPU debug support (eudebug) v3 Patchwork
2024-12-09 14:38 ` ✗ CI.checkpatch: warning " Patchwork
2024-12-09 14:39 ` ✗ CI.KUnit: failure " Patchwork
2024-12-16 14:22 ` ✗ CI.Patch_applied: failure for Intel Xe GPU debug support (eudebug) v3 (rev2) Patchwork
2024-12-20 14:36 ` ✗ CI.Patch_applied: failure for Intel Xe GPU debug support (eudebug) v3 (rev3) Patchwork
2025-01-13 16:15 ` ✗ CI.Patch_applied: failure for Intel Xe GPU debug support (eudebug) v3 (rev4) Patchwork
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