From 438145c7ef5c9445f25bb8fc4d52e2c9d11fdc7c Mon Sep 17 00:00:00 2001 From: Jeremy Erickson Date: Fri, 11 Apr 2014 13:24:45 -0400 Subject: Update from 2.6.36 to 2.6.36.4 --- arch/sh/include/asm/io.h | 10 +++++++++- arch/sh/include/asm/pgtable_32.h | 7 ++++++- arch/sh/include/asm/syscalls_32.h | 7 ++++--- 3 files changed, 19 insertions(+), 5 deletions(-) (limited to 'arch/sh') diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index b237d525d592..34ba197880dd 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -322,7 +322,15 @@ __ioremap_29bit(phys_addr_t offset, unsigned long size, pgprot_t prot) * mapping must be done by the PMB or by using page tables. */ if (likely(PXSEG(offset) < P3SEG && PXSEG(last_addr) < P3SEG)) { - if (unlikely(pgprot_val(prot) & _PAGE_CACHABLE)) + u64 flags = pgprot_val(prot); + + /* + * Anything using the legacy PTEA space attributes needs + * to be kicked down to page table mappings. + */ + if (unlikely(flags & _PAGE_PCC_MASK)) + return NULL; + if (unlikely(flags & _PAGE_CACHABLE)) return (void __iomem *)P1SEGADDR(offset); return (void __iomem *)P2SEGADDR(offset); diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h index e172d696e52b..45743bffe865 100644 --- a/arch/sh/include/asm/pgtable_32.h +++ b/arch/sh/include/asm/pgtable_32.h @@ -76,6 +76,10 @@ /* Wrapper for extended mode pgprot twiddling */ #define _PAGE_EXT(x) ((unsigned long long)(x) << 32) +#ifdef CONFIG_X2TLB +#define _PAGE_PCC_MASK 0x00000000 /* No legacy PTEA support */ +#else + /* software: moves to PTEA.TC (Timing Control) */ #define _PAGE_PCC_AREA5 0x00000000 /* use BSC registers for area5 */ #define _PAGE_PCC_AREA6 0x80000000 /* use BSC registers for area6 */ @@ -89,7 +93,8 @@ #define _PAGE_PCC_ATR8 0x60000000 /* Attribute Memory space, 8 bit bus */ #define _PAGE_PCC_ATR16 0x60000001 /* Attribute Memory space, 6 bit bus */ -#ifndef CONFIG_X2TLB +#define _PAGE_PCC_MASK 0xe0000001 + /* copy the ptea attributes */ static inline unsigned long copy_ptea_attributes(unsigned long x) { diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h index be201fdc97aa..ae717e3c26d6 100644 --- a/arch/sh/include/asm/syscalls_32.h +++ b/arch/sh/include/asm/syscalls_32.h @@ -19,9 +19,10 @@ asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp, asmlinkage int sys_vfork(unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs); -asmlinkage int sys_execve(const char __user *ufilename, char __user * __user *uargv, - char __user * __user *uenvp, unsigned long r7, - struct pt_regs __regs); +asmlinkage int sys_execve(const char __user *ufilename, + const char __user *const __user *uargv, + const char __user *const __user *uenvp, + unsigned long r7, struct pt_regs __regs); asmlinkage int sys_sigsuspend(old_sigset_t mask, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs); -- cgit v1.2.2