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kernel: clear MF_CONTEXT_SET on kernel exit.

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Ben Gras 2010-07-20 17:13:44 +00:00
parent eb1627049f
commit 7f343ed574
1 changed files with 6 additions and 0 deletions
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6
kernel/proc.c
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@ -237,6 +237,12 @@ check_misc_flags:
enable_fpu_exception(); enable_fpu_exception();
else else
disable_fpu_exception(); disable_fpu_exception();
/* If MF_CONTEXT_SET is set, don't clobber process state within
* the kernel. The next kernel entry is OK again though.
*/
proc_ptr->p_misc_flags &= ~MF_CONTEXT_SET;
/* /*
* restore_user_context() carries out the actual mode switch from kernel * restore_user_context() carries out the actual mode switch from kernel
* to userspace. This function does not return * to userspace. This function does not return