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authorRicardo Neri <ricardo.neri-calderon@linux.intel.com>2017-10-28 01:51:38 +0200
committerIngo Molnar <mingo@kernel.org>2017-11-02 09:55:14 +0100
commit71271269ef9a997fb4416b2f8ef3558dd846c7cb (patch)
tree3418a6359f8e991bd7893f90e8cdc1ca43942ad0 /drivers/mfd
parentx86/insn-eval: Incorporate segment base in linear address computation (diff)
downloadlinux-71271269ef9a997fb4416b2f8ef3558dd846c7cb.tar.xz
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x86/insn-eval: Extend get_seg_base_addr() to also obtain segment limit
In protected mode, it is common to want to obtain the limit of a segment along with its base address. This is useful, for instance, to verify that an effective address lies within a segment before computing a linear address. Up to this point, this library only computes linear addresses in long mode. Subsequent patches will include support for protected mode. Support to verify the segment limit will be needed. Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> Cc: Adam Buchbinder <adam.buchbinder@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Borislav Petkov <bp@suse.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Chen Yucong <slaoub@gmail.com> Cc: Chris Metcalf <cmetcalf@mellanox.com> Cc: Colin Ian King <colin.king@canonical.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Huang Rui <ray.huang@amd.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Lorenzo Stoakes <lstoakes@gmail.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Qiaowei Ren <qiaowei.ren@intel.com> Cc: Ravi V. Shankar <ravi.v.shankar@intel.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Thomas Garnier <thgarnie@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: ricardo.neri@intel.com Link: http://lkml.kernel.org/r/1509148310-30862-2-git-send-email-ricardo.neri-calderon@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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