diff options
| author | Borislav Petkov (AMD) <bp@alien8.de> | 2024-09-11 06:13:46 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-10 16:59:53 +0300 |
| commit | 3893cd05fcf60c239a35c833a6677783ec18dfc5 (patch) | |
| tree | ba1e3aa130cbd5401f474d0c8cf01abdcd516381 /Documentation/admin-guide | |
| parent | 76cf1f33e7319fe74c94ac92f9814094ee8cc84b (diff) | |
| download | linux-3893cd05fcf60c239a35c833a6677783ec18dfc5.tar.xz | |
x86/bugs: Rename MDS machinery to something more generic
Commit f9af88a3d384c8b55beb5dc5483e5da0135fadbd upstream.
It will be used by other x86 mitigations.
No functional changes.
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst b/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst index c98fd11907cc..e916dc232b0f 100644 --- a/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst +++ b/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst @@ -157,9 +157,7 @@ This is achieved by using the otherwise unused and obsolete VERW instruction in combination with a microcode update. The microcode clears the affected CPU buffers when the VERW instruction is executed. -Kernel reuses the MDS function to invoke the buffer clearing: - - mds_clear_cpu_buffers() +Kernel does the buffer clearing with x86_clear_cpu_buffers(). On MDS affected CPUs, the kernel already invokes CPU buffer clear on kernel/userspace, hypervisor/guest and C-state (idle) transitions. No |