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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-06-22 16:41:28 -0300 |
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| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-06-24 09:57:46 -0300 |
| commit | e3e3eb0a2ea615c272cec5f47ba9f243ccdaf386 (patch) | |
| tree | 67861e0d5cab0df49dc7a76527317b793d2ef047 /support | |
| parent | ea26ff03227d7cacef5de6036df57734373449b4 (diff) | |
| download | glibc-e3e3eb0a2ea615c272cec5f47ba9f243ccdaf386.tar.gz glibc-e3e3eb0a2ea615c272cec5f47ba9f243ccdaf386.tar.xz glibc-e3e3eb0a2ea615c272cec5f47ba9f243ccdaf386.zip | |
x86: Fix tst-cpu-features-cpuinfo on Ryzen 9 (BZ #27873)
AMD define different flags for IRPB, IBRS, and STIPBP [1], so new x86_64_cpu are added and IBRS_IBPB is only tested for Intel. The SSDB is also defined and implemented different on AMD [2], and also a new AMD_SSDB flag is added. It should map to the cpuinfo 'ssdb' on recent AMD cpus. It fixes tst-cpu-features-cpuinfo and tst-cpu-features-cpuinfo-static on recent AMD cpus. Checked on x86_64-linux-gnu on AMD Ryzen 9 5900X. [1] https://developer.amd.com/wp-content/resources/Architecture_Guidelines_Update_Indirect_Branch_Control.pdf [2] https://bugzilla.kernel.org/show_bug.cgi?id=199889 Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'support')
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