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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5f2173e056
The check between the hardware state and our shadow of it is checked in the signal handler for all bounds exceptions, even for the ones where we don't keep the shadow up2date. This is a problem because when no shadow is kept the handler fails at this point and hides the real reason of the exception. Move the check into the code-path evaluating normal bounds exceptions to prevent this. Signed-off-by: Joerg Roedel <jroedel@suse.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kselftest@vger.kernel.org Link: http://lkml.kernel.org/r/1491488598-27346-1-git-send-email-joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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