On Tue, 2008-01-22 at 13:00 -0800, Harvey Harrison wrote: > nx_enabled can only be set to non-zero when CONFIG_X86_PAE is > set. The only use not currently inside a CONFIG_X86_PAE block > is the definition, the declaration and a conditional unlikely > test in fault_32.c (is_prefetch). > > When !CONFIG_X86_PAE, is_prefetch always returns 0 immediately > as nx_enabled is always 0. > > When CONFIG_X86_PAE, the test is preserved, but the test against > the cpu model and stepping is deleted, this may not be correct. > > Signed-off-by: Harvey Harrison <[EMAIL PROTECTED]> > ---
Sorry, I missed the usage in kernel/acpi/wakeup_32.S, that's the only other user. I don't know that code well enough to comment on the usage there, but if anybody knows if that could be conditionalized, please advise. Harvey -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
