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Unfortunately, GCC 9.1 is expected to be be released without support for MPX. This means that there was only a relatively small window where folks could have ever used MPX. It failed to gain wide adoption in the industry, and Linux was the only mainstream OS to ever support it widely. Support for the feature may also disappear on future processors. This set completes the process that we started during the 5.4 merge window. -----BEGIN PGP SIGNATURE----- iQIcBAABCAAGBQJeK1/pAAoJEGg1lTBwyZKwgC8QAIiVn1d7A9Uj/WpnpgfCChCZ 9XiV6Ak999qD9fbAcrgNfPjieaD4mtokocSRVJuRgJu5iLnIJCINlozLPe4yVl7P 7zebnxkLq0CIA8d56bEUoFlC0J+oWYlDVQePZzNQsSk5KHVGXVLpF6U4vDVzZeQy cprgvdeY+ehB7G6IIo0MWTg5ylKYAsOAyVvK8NIGpKY2k6/YqCnsptnsVE7bvlHy TrEOiUWLv+hh0bMkZdP1PwKQKEuMO/IZly0HtviFbMN7T4TB1spfg7ELoBucEq3T s4EVbYRe+nIE4tuEAveaX3CgxJek8cY5MlticskdaKSEACBwabdOF55qsZy0u+WA PYC4iUIXfbOH8OgieKWtGX4IuSkRYdQ2nP4BOpe4ZX4+zvU7zOCIyVSKRrwkX8cc ADtWI5FAtB36KCgUuWnHGHNZpOxPTbTLBuBataFY4Q2uBNJEBJpscZ5H9ObtyGFU ZjlzqFnM0nFNDKEI1EEtv9jLzgZTU1RQ46s7EFeSeEQ2/s9wJ3+s5sBlVbljsmus o658bLOEaRWC/aF15dgmEXW9GAO6uifNdmbzGnRn7oEMYyFQPTWbZvi1zGz58QaG Y6WTtigVtsSrHS4wpYd+p+n1W06VnB6J3BpBM4G1VQv1Vm0dNd1tUOfkqOzPjg7c 33Itmsz2LaW1mb67GlgZ =g4cC -----END PGP SIGNATURE----- Merge tag 'mpx-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/daveh/x86-mpx Pull x86 MPX removal from Dave Hansen: "MPX requires recompiling applications, which requires compiler support. Unfortunately, GCC 9.1 is expected to be be released without support for MPX. This means that there was only a relatively small window where folks could have ever used MPX. It failed to gain wide adoption in the industry, and Linux was the only mainstream OS to ever support it widely. Support for the feature may also disappear on future processors. This set completes the process that we started during the 5.4 merge window when the MPX prctl()s were removed. XSAVE support is left in place, which allows MPX-using KVM guests to continue to function" * tag 'mpx-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/daveh/x86-mpx: x86/mpx: remove MPX from arch/x86 mm: remove arch_bprm_mm_init() hook x86/mpx: remove bounds exception code x86/mpx: remove build infrastructure x86/alternatives: add missing insn.h include |
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