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| author | KP Singh <[email protected]> | 2023-02-27 06:05:41 +0000 |
|---|---|---|
| committer | Borislav Petkov (AMD) <[email protected]> | 2023-02-27 18:02:47 +0000 |
| commit | e02b50ca442e88122e1302d4dbc1b71a4808c13f (patch) | |
| tree | 1b76a2583ed67d4d87e6fcccdc3104f428fa971f /tools/perf/scripts/python/mem-phys-addr.py | |
| parent | x86/speculation: Allow enabling STIBP with legacy IBRS (diff) | |
| download | kernel-e02b50ca442e88122e1302d4dbc1b71a4808c13f.tar.gz kernel-e02b50ca442e88122e1302d4dbc1b71a4808c13f.zip | |
Documentation/hw-vuln: Document the interaction between IBRS and STIBP
Explain why STIBP is needed with legacy IBRS as currently implemented
(KERNEL_IBRS) and why STIBP is not needed when enhanced IBRS is enabled.
Fixes: 7c693f54c873 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS")
Signed-off-by: KP Singh <[email protected]>
Signed-off-by: Borislav Petkov (AMD) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/mem-phys-addr.py')
0 files changed, 0 insertions, 0 deletions