Re: [PATCH] powerpc/mm: Merge various PTE bits and accessors definitions
flat view
From: Michael Ellerman <hidden>
Date: 2009-03-02 07:38:01
On Mon, 2009-03-02 at 17:22 +1100, Benjamin Herrenschmidt wrote:
Now that they are almost identical, we can merge some of the definitions related to the PTE format into common files.
<snip>
quoted hunk ↗ jump to hunk
+/* Protection used for kernel text. We want the debuggers to be able to + * set breakpoints anywhere, so don't write protect the kernel text + * on platforms where such control is possible. + */ +#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) ||\ + defined(CONFIG_KPROBES) +#define PAGE_KERNEL_TEXT PAGE_KERNEL_X +#else +#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX +#endif
What about FTRACE? ∞TRACE etc. cheers -- Michael Ellerman OzLabs, IBM Australia Development Lab wwweb: http://michael.ellerman.id.au phone: +61 2 6212 1183 (tie line 70 21183) We do not inherit the earth from our ancestors, we borrow it from our children. - S.M.A.R.T Person
Attachments
- signature.asc [application/pgp-signature] 197 bytes