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| author |   Mike Frysinger <vapier@gentoo.org> | 2011-05-29 23:12:51 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-07-23 01:10:43 -0400 |
| commit | fb1d9be5967fff0a3c93b06304fd992e3c438b7f (patch) | |
| tree | 0c1c8a2fe6ad2b9c52bdc4a58e0f396058dc75c3 /arch/blackfin/mach-common/smp.c | |
| parent | Blackfin: time: replace magic numbers with defines (diff) | |
| download | linux-dev-fb1d9be5967fff0a3c93b06304fd992e3c438b7f.tar.xz linux-dev-fb1d9be5967fff0a3c93b06304fd992e3c438b7f.zip | |
Blackfin: optimize double fault boot checking
This moves the double fault data used at boot time into a single struct
which can then easily be addressed with indexed loads rather than having
to explicitly load multiple addresses.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/mach-common/smp.c')
| -rw-r--r-- | arch/blackfin/mach-common/smp.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c index 35e7e1eb0188..1c143a4de5f5 100644 --- a/arch/blackfin/mach-common/smp.c +++ b/arch/blackfin/mach-common/smp.c @@ -45,9 +45,7 @@ struct corelock_slot corelock __attribute__ ((__section__(".l2.bss"))); unsigned long blackfin_iflush_l1_entry[NR_CPUS]; #endif -void __cpuinitdata *init_retx_coreb, *init_saved_retx_coreb, - *init_saved_seqstat_coreb, *init_saved_icplb_fault_addr_coreb, - *init_saved_dcplb_fault_addr_coreb; +struct blackfin_initial_pda __cpuinitdata initial_pda_coreb; #define BFIN_IPI_RESCHEDULE 0 #define BFIN_IPI_CALL_FUNC 1 @@ -369,13 +367,16 @@ void __cpuinit secondary_start_kernel(void) if (_bfin_swrst & SWRST_DBL_FAULT_B) { printk(KERN_EMERG "CoreB Recovering from DOUBLE FAULT event\n"); #ifdef CONFIG_DEBUG_DOUBLEFAULT - printk(KERN_EMERG " While handling exception (EXCAUSE = 0x%x) at %pF\n", - (int)init_saved_seqstat_coreb & SEQSTAT_EXCAUSE, init_saved_retx_coreb); - printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %pF\n", init_saved_dcplb_fault_addr_coreb); - printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %pF\n", init_saved_icplb_fault_addr_coreb); + printk(KERN_EMERG " While handling exception (EXCAUSE = %#x) at %pF\n", + initial_pda_coreb.seqstat_doublefault & SEQSTAT_EXCAUSE, + initial_pda_coreb.retx_doublefault); + printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %pF\n", + initial_pda_coreb.dcplb_doublefault_addr); + printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %pF\n", + initial_pda_coreb.icplb_doublefault_addr); #endif printk(KERN_NOTICE " The instruction at %pF caused a double exception\n", - init_retx_coreb); + initial_pda_coreb.retx); } /* |