On Tue, 7 Apr 2009, Paul Mackerras wrote:
> This fixes a problem reported by Sean MacLennan where loading any
> module would cause an oops. We weren't marking the pages containing
> the module text as having hardware execute permission, due to a bug
> introduced in commit 8d1cf34e ("powerpc/mm: Tweak PTE bit combination
> definitions"), hence trying to execute the module text caused an
> exception on processors that support hardware execute permission.
>
> This adds _PAGE_HWEXEC to the definitions of PAGE_KERNEL_X and
> PAGE_KERNEL_ROX to fix this problem.
>
> Reported-by: Sean MacLennan <[email protected]>
> Signed-off-by: Paul Mackerras <[email protected]>
Tested-by: Geert Uytterhoeven <[email protected]>
(on Sequoia)
With kind regards,
Geert Uytterhoeven
Software Architect
Sony Techsoft Centre Europe
The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium
Phone: +32 (0)2 700 8453
Fax: +32 (0)2 700 8622
E-mail: [email protected]
Internet: http://www.sony-europe.com/
A division of Sony Europe (Belgium) N.V.
VAT BE 0413.825.160 · RPR Brussels
Fortis · BIC GEBABEBB · IBAN BE41293037680010
_______________________________________________
Linuxppc-dev mailing list
[email protected]
https://ozlabs.org/mailman/listinfo/linuxppc-dev
