openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Blackfin: respect the L1 kconfig optimization in the MPU code 

Restore support for CONFIG_EXCPT_IRQ_SYSC_L1 in the MPU CPLB manager.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Barry Song 2010-01-20 07:25:31 +00:00 committed by Mike Frysinger
parent 336746ed8e
commit 726e96561e
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
arch/blackfin/kernel/cplb-mpu/cplbmgr.c
View File

@ -31,6 +31,12 @@ int nr_dcplb_miss[NR_CPUS], nr_icplb_miss[NR_CPUS];
int nr_icplb_supv_miss[NR_CPUS], nr_dcplb_prot[NR_CPUS];
int nr_cplb_flush[NR_CPUS];
#ifdef CONFIG_EXCPT_IRQ_SYSC_L1
#define MGR_ATTR __attribute__((l1_text))
#else
#define MGR_ATTR
#endif
/*
* Given the contents of the status register, return the index of the
* CPLB that caused the fault.
@ -59,7 +65,7 @@ static int icplb_rr_index[NR_CPUS], dcplb_rr_index[NR_CPUS];
/*
* Find an ICPLB entry to be evicted and return its index.
*/
static int evict_one_icplb(unsigned int cpu)
MGR_ATTR static int evict_one_icplb(unsigned int cpu)
{
int i;
for (i = first_switched_icplb; i < MAX_CPLBS; i++)
@ -74,7 +80,7 @@ static int evict_one_icplb(unsigned int cpu)
return i;
}
static int evict_one_dcplb(unsigned int cpu)
MGR_ATTR static int evict_one_dcplb(unsigned int cpu)
{
int i;
for (i = first_switched_dcplb; i < MAX_CPLBS; i++)
@ -89,7 +95,7 @@ static int evict_one_dcplb(unsigned int cpu)
return i;
}
static noinline int dcplb_miss(unsigned int cpu)
MGR_ATTR static noinline int dcplb_miss(unsigned int cpu)
{
unsigned long addr = bfin_read_DCPLB_FAULT_ADDR();
int status = bfin_read_DCPLB_STATUS();
@ -163,7 +169,7 @@ static noinline int dcplb_miss(unsigned int cpu)
return 0;
}
static noinline int icplb_miss(unsigned int cpu)
MGR_ATTR static noinline int icplb_miss(unsigned int cpu)
{
unsigned long addr = bfin_read_ICPLB_FAULT_ADDR();
int status = bfin_read_ICPLB_STATUS();
@ -269,7 +275,7 @@ static noinline int icplb_miss(unsigned int cpu)
return 0;
}
static noinline int dcplb_protection_fault(unsigned int cpu)
MGR_ATTR static noinline int dcplb_protection_fault(unsigned int cpu)
{
int status = bfin_read_DCPLB_STATUS();
@ -289,7 +295,7 @@ static noinline int dcplb_protection_fault(unsigned int cpu)
return CPLB_PROT_VIOL;
}
int cplb_hdr(int seqstat, struct pt_regs *regs)
MGR_ATTR int cplb_hdr(int seqstat, struct pt_regs *regs)
{
int cause = seqstat & 0x3f;
unsigned int cpu = raw_smp_processor_id();