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x86 prompted mainly by a recent finding on AMD related to INVLPGB/TYLBSYNC invalidations. Having the command line option is simply another way to alleviate the situation short-term -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmqB44wACgkQEsHwGGHe VUqKSRAAgQKrFw3mH29qsNGjS0GH1m1B6DShBB6/BwJb716gGNfFV/EmYrcwRM4+ GTSA+LGLkKrb45gR+PkKkyoiXDPB/OzfmSlNvD+VCt1t78RdHCXLByye7SxxFjV/ smboswwphQJPLJ8iTeJn+I1jbfC45Wla1hlMgCdHC7tTyyBOPfg32JdQ37cnd2PE 8igsVVhMbEvszhbDrjVAWWUUjlWEjax8ix4rEKMV9J9zETgurK6Vy/G4QNTePSQU cc31FFUp+z+iBNWjCv1jhsuxUbxsH4u7SM3x18cTmgfKz03DQwVnCafkGPy8Rs2o nIdgojAnDginPQ0CsGvB1la7zHQ2MFtBRbNabW+m6WGs2OdwHs1+ATcm0/bFuQBh UqXic8fZ9jYsoGwRfqy/Nsg1ywkrm+IJ5RxSD1+wreGgYPPpEk5tzs5tx4vPFemX dm2ZizKr+kDxZThdTutwV0WY1A/xaix8M5y2poXb929zMy6E+sMwe7fjdnFSZph4 I84PzW4vlH5BTnEK96ROl+ZB4tTMLGBGM/3ymtlmeXAkLiyrj10f+QdKCF1GPHsO Ljv0LVtVL6h4/AJzoV6mYNLCOQUmooMkwwvTYWoHZ3yoqjHGWjGlWDyx7b5uL6BY mFv81rxp0TWcFKLxv8g737NLKH95JAbP9/bKbldc9rmMl/tBOKE= =1btz -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Borislav Petkov: - Add a proper kernel cmdline option to control the TLB invalidation method on x86 prompted mainly by a recent finding on AMD related to INVLPGB/TYLBSYNC invalidations. Having the command line option is simply another way to alleviate the situation short-term * tag 'x86_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/CPU: Add a tlbi= cmdline switch |
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