]> Pileus Git - ~andy/linux/commitdiff
parisc: Fix comment describing setup of access rights in entry.S
authorJohn David Anglin <dave.anglin@bell.net>
Sun, 13 Jan 2013 22:04:18 +0000 (22:04 +0000)
committerHelge Deller <deller@gmx.de>
Wed, 20 Feb 2013 21:46:46 +0000 (22:46 +0100)
This comment describes incredibly subtle code, so it should be right!

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
arch/parisc/kernel/entry.S

index eb7850b46c255e98cc9c97ef873766f793398061..7c9648919c91f2de6c33890e500841b5f9dff6bc 100644 (file)
         * B <-> _PAGE_DMB (memory break)
         *
         * Then incredible subtlety: The access rights are
-        * _PAGE_GATEWAY _PAGE_EXEC _PAGE_READ
+        * _PAGE_GATEWAY, _PAGE_EXEC and _PAGE_WRITE
         * See 3-14 of the parisc 2.0 manual
         *
         * Finally, _PAGE_READ goes in the top bit of PL1 (so we
 
        /* PAGE_USER indicates the page can be read with user privileges,
         * so deposit X1|11 to PL1|PL2 (remember the upper bit of PL1
-        * contains _PAGE_READ */
+        * contains _PAGE_READ) */
        extrd,u,*=      \pte,_PAGE_USER_BIT+32,1,%r0
        depdi           7,11,3,\prot
        /* If we're a gateway page, drop PL2 back to zero for promotion