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| author | Borislav Petkov (AMD) <bp@alien8.de> | 2024-09-11 10:53:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-10 16:03:21 +0200 |
| commit | 90293047df18caf7ed0fe566d89af0720f2dc98a (patch) | |
| tree | 0d443849a3a3b82fc711b9ab9fa15c6cde44a7c7 /drivers/base | |
| parent | 2b6a5fbe9dc1842e3485557a057c8e6311b6fd72 (diff) | |
| download | linux-90293047df18caf7ed0fe566d89af0720f2dc98a.tar.gz linux-90293047df18caf7ed0fe566d89af0720f2dc98a.tar.bz2 linux-90293047df18caf7ed0fe566d89af0720f2dc98a.zip | |
x86/bugs: Add a Transient Scheduler Attacks mitigation
Commit d8010d4ba43e9f790925375a7de100604a5e2dba upstream.
Add the required features detection glue to bugs.c et all in order to
support the TSA mitigation.
Co-developed-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
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 'drivers/base')
| -rw-r--r-- | drivers/base/cpu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index a5cfc1bfad51..a3aea3c1431a 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -567,6 +567,7 @@ CPU_SHOW_VULN_FALLBACK(spec_rstack_overflow); CPU_SHOW_VULN_FALLBACK(gds); CPU_SHOW_VULN_FALLBACK(reg_file_data_sampling); CPU_SHOW_VULN_FALLBACK(indirect_target_selection); +CPU_SHOW_VULN_FALLBACK(tsa); static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL); static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL); @@ -583,6 +584,7 @@ static DEVICE_ATTR(spec_rstack_overflow, 0444, cpu_show_spec_rstack_overflow, NU static DEVICE_ATTR(gather_data_sampling, 0444, cpu_show_gds, NULL); static DEVICE_ATTR(reg_file_data_sampling, 0444, cpu_show_reg_file_data_sampling, NULL); static DEVICE_ATTR(indirect_target_selection, 0444, cpu_show_indirect_target_selection, NULL); +static DEVICE_ATTR(tsa, 0444, cpu_show_tsa, NULL); static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_meltdown.attr, @@ -600,6 +602,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_gather_data_sampling.attr, &dev_attr_reg_file_data_sampling.attr, &dev_attr_indirect_target_selection.attr, + &dev_attr_tsa.attr, NULL }; |