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| author | Mario Limonciello <mario.limonciello@amd.com> | 2025-01-30 22:48:57 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-03-19 13:18:33 +0300 |
| commit | 9c19cc1f5f571b03cc56338ed12836531a4989a4 (patch) | |
| tree | 4d860d999e19e2e61cc9de6f8a6c124a345f4e93 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 83518453074d1f3eadbf7e61652b608a60087317 (diff) | |
| download | linux-9c19cc1f5f571b03cc56338ed12836531a4989a4.tar.xz | |
x86/amd_node: Add support for debugfs access to SMN registers
There are certain registers on AMD Zen systems that can only be accessed
through SMN.
Introduce a new interface that provides debugfs files for accessing SMN. As
this introduces the capability for userspace to manipulate the hardware in
unpredictable ways, taint the kernel when writing.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250130-wip-x86-amd-nb-cleanup-v4-3-b5cc997e471b@amd.com
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions