diff options
author | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
commit | cb5629b10d64a8006622ce3a52bc887d91057d69 (patch) | |
tree | 7c06d8f30783115e3384721046258ce615b129c5 /arch/blackfin/include/asm/cplbinit.h | |
parent | 8920d5ad6ba74ae8ab020e90cc4d976980e68701 (diff) | |
parent | f01d1d546abb2f4028b5299092f529eefb01253a (diff) |
Merge branch 'master' into next
Conflicts:
fs/namei.c
Manually merged per:
diff --cc fs/namei.c
index 734f2b5,bbc15c2..0000000
--- a/fs/namei.c
+++ b/fs/namei.c
@@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char
nd->flags |= LOOKUP_CONTINUE;
err = exec_permission_lite(inode);
if (err == -EAGAIN)
- err = vfs_permission(nd, MAY_EXEC);
+ err = inode_permission(nd->path.dentry->d_inode,
+ MAY_EXEC);
+ if (!err)
+ err = ima_path_check(&nd->path, MAY_EXEC);
if (err)
break;
@@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc
flag &= ~O_TRUNC;
}
- error = vfs_permission(nd, acc_mode);
+ error = inode_permission(inode, acc_mode);
if (error)
return error;
+
- error = ima_path_check(&nd->path,
++ error = ima_path_check(path,
+ acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC));
+ if (error)
+ return error;
/*
* An append-only file must be opened in append mode for writing.
*/
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/blackfin/include/asm/cplbinit.h')
-rw-r--r-- | arch/blackfin/include/asm/cplbinit.h | 83 |
1 files changed, 39 insertions, 44 deletions
diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h index f845b41147b..05b14a631d0 100644 --- a/arch/blackfin/include/asm/cplbinit.h +++ b/arch/blackfin/include/asm/cplbinit.h @@ -32,61 +32,56 @@ #include <asm/blackfin.h> #include <asm/cplb.h> +#include <linux/threads.h> -#ifdef CONFIG_MPU - -#include <asm/cplb-mpu.h> - +#ifdef CONFIG_CPLB_SWITCH_TAB_L1 +# define PDT_ATTR __attribute__((l1_data)) #else +# define PDT_ATTR +#endif -#define INITIAL_T 0x1 -#define SWITCH_T 0x2 -#define I_CPLB 0x4 -#define D_CPLB 0x8 - -#define IN_KERNEL 1 - -enum -{ZERO_P, L1I_MEM, L1D_MEM, SDRAM_KERN , SDRAM_RAM_MTD, SDRAM_DMAZ, RES_MEM, ASYNC_MEM, L2_MEM}; - -struct cplb_desc { - u32 start; /* start address */ - u32 end; /* end address */ - u32 psize; /* prefered size if any otherwise 1MB or 4MB*/ - u16 attr;/* attributes */ - u16 i_conf;/* I-CPLB DATA */ - u16 d_conf;/* D-CPLB DATA */ - u16 valid;/* valid */ - const s8 name[30];/* name */ +struct cplb_entry { + unsigned long data, addr; }; -struct cplb_tab { - u_long *tab; - u16 pos; - u16 size; +struct cplb_boundary { + unsigned long eaddr; /* End of this region. */ + unsigned long data; /* CPLB data value. */ }; -extern u_long icplb_table[]; -extern u_long dcplb_table[]; +extern struct cplb_boundary dcplb_bounds[]; +extern struct cplb_boundary icplb_bounds[]; +extern int dcplb_nr_bounds, icplb_nr_bounds; -/* Till here we are discussing about the static memory management model. - * However, the operating envoronments commonly define more CPLB - * descriptors to cover the entire addressable memory than will fit into - * the available on-chip 16 CPLB MMRs. When this happens, the below table - * will be used which will hold all the potentially required CPLB descriptors - * - * This is how Page descriptor Table is implemented in uClinux/Blackfin. - */ +extern struct cplb_entry dcplb_tbl[NR_CPUS][MAX_CPLBS]; +extern struct cplb_entry icplb_tbl[NR_CPUS][MAX_CPLBS]; +extern int first_switched_icplb; +extern int first_switched_dcplb; -extern u_long ipdt_table[]; -extern u_long dpdt_table[]; -#ifdef CONFIG_CPLB_INFO -extern u_long ipdt_swapcount_table[]; -extern u_long dpdt_swapcount_table[]; -#endif +extern int nr_dcplb_miss[], nr_icplb_miss[], nr_icplb_supv_miss[]; +extern int nr_dcplb_prot[], nr_cplb_flush[]; + +#ifdef CONFIG_MPU + +extern int first_mask_dcplb; + +extern int page_mask_order; +extern int page_mask_nelts; + +extern unsigned long *current_rwx_mask[NR_CPUS]; + +extern void flush_switched_cplbs(unsigned int); +extern void set_mask_dcplbs(unsigned long *, unsigned int); + +extern void __noreturn panic_cplb_error(int seqstat, struct pt_regs *); #endif /* CONFIG_MPU */ -extern void generate_cplb_tables(void); +extern void bfin_icache_init(struct cplb_entry *icplb_tbl); +extern void bfin_dcache_init(struct cplb_entry *icplb_tbl); +#if defined(CONFIG_BFIN_DCACHE) || defined(CONFIG_BFIN_ICACHE) +extern void generate_cplb_tables_all(void); +extern void generate_cplb_tables_cpu(unsigned int cpu); +#endif #endif |