Messages in this thread | | | From | David Mosberger <> | Date | Wed, 14 Apr 2004 13:05:32 -0700 | Subject | Re: [PATCH] (IA64) Fix ugly __[PS]* macros in <asm-ia64/pgtable.h> |
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>>>>> On Wed, 14 Apr 2004 20:28:44 +0100, Jamie Lokier <jamie@shareable.org> said:
>> I know why: back in those days, GCC emitted code for nested C >> functions that assumed an executable stack. Also, Linus wasn't >> terribly eager to turn off execute-permission on data/stacks. >> Even on ia64 we started out that way, until I saw the error in my >> ways.
Jamie> We're both wrong.
No, Alpha Linux didn't map data without execute permission.
Jamie> What it doesn't have is write-only.
Yes, that one is because earlier Alphas couldn't do subword stores, so WRITE-permission necessitated READ-permission.
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