diff options
| author | Borislav Petkov (AMD) <bp@alien8.de> | 2024-09-11 10:53:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-10 16:08:54 +0200 |
| commit | ab0f6573b2113647915923b5adeb4f6ebc83f271 (patch) | |
| tree | ed78fd283dadf56bb5631c27de378b753d1960ee /drivers/base/cpu.c | |
| parent | 27abf1da6cade3a221537ef95c7f6c56c8838e37 (diff) | |
| download | linux-ab0f6573b2113647915923b5adeb4f6ebc83f271.tar.gz linux-ab0f6573b2113647915923b5adeb4f6ebc83f271.tar.bz2 linux-ab0f6573b2113647915923b5adeb4f6ebc83f271.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/cpu.c')
| -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 50651435577c..a79a57dc571f 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -601,6 +601,7 @@ CPU_SHOW_VULN_FALLBACK(gds); CPU_SHOW_VULN_FALLBACK(reg_file_data_sampling); CPU_SHOW_VULN_FALLBACK(ghostwrite); 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); @@ -618,6 +619,7 @@ 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(ghostwrite, 0444, cpu_show_ghostwrite, 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, @@ -636,6 +638,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_reg_file_data_sampling.attr, &dev_attr_ghostwrite.attr, &dev_attr_indirect_target_selection.attr, + &dev_attr_tsa.attr, NULL }; |