diff options
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/ktlb.S | 42 | ||||
| -rw-r--r-- | arch/sparc/kernel/smp_64.c | 4 | ||||
| -rw-r--r-- | arch/sparc/kernel/sun4d_smp.c | 22 | ||||
| -rw-r--r-- | arch/sparc/kernel/sun4m_smp.c | 26 | ||||
| -rw-r--r-- | arch/sparc/kernel/sys32.S | 4 | ||||
| -rw-r--r-- | arch/sparc/kernel/systbls_64.S | 4 |
6 files changed, 45 insertions, 57 deletions
diff --git a/arch/sparc/kernel/ktlb.S b/arch/sparc/kernel/ktlb.S index cef8defcd7a..3ea6e8cde8c 100644 --- a/arch/sparc/kernel/ktlb.S +++ b/arch/sparc/kernel/ktlb.S @@ -151,12 +151,46 @@ kvmap_dtlb_4v: * Must preserve %g1 and %g6 (TAG). */ kvmap_dtlb_tsb4m_miss: - sethi %hi(kpte_linear_bitmap), %g2 - or %g2, %lo(kpte_linear_bitmap), %g2 + /* Clear the PAGE_OFFSET top virtual bits, shift + * down to get PFN, and make sure PFN is in range. + */ + sllx %g4, 21, %g5 - /* Clear the PAGE_OFFSET top virtual bits, then shift - * down to get a 256MB physical address index. + /* Check to see if we know about valid memory at the 4MB + * chunk this physical address will reside within. */ + srlx %g5, 21 + 41, %g2 + brnz,pn %g2, kvmap_dtlb_longpath + nop + + /* This unconditional branch and delay-slot nop gets patched + * by the sethi sequence once the bitmap is properly setup. + */ + .globl valid_addr_bitmap_insn +valid_addr_bitmap_insn: + ba,pt %xcc, 2f + nop + .subsection 2 + .globl valid_addr_bitmap_patch +valid_addr_bitmap_patch: + sethi %hi(sparc64_valid_addr_bitmap), %g7 + or %g7, %lo(sparc64_valid_addr_bitmap), %g7 + .previous + + srlx %g5, 21 + 22, %g2 + srlx %g2, 6, %g5 + and %g2, 63, %g2 + sllx %g5, 3, %g5 + ldx [%g7 + %g5], %g5 + mov 1, %g7 + sllx %g7, %g2, %g7 + andcc %g5, %g7, %g0 + be,pn %xcc, kvmap_dtlb_longpath + +2: sethi %hi(kpte_linear_bitmap), %g2 + or %g2, %lo(kpte_linear_bitmap), %g2 + + /* Get the 256MB physical address index. */ sllx %g4, 21, %g5 mov 1, %g7 srlx %g5, 21 + 28, %g5 diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index fa44eaf8d89..3691907a43b 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -1499,7 +1499,7 @@ void __init setup_per_cpu_areas(void) dyn_size = pcpur_size - static_size - PERCPU_MODULE_RESERVE; - ptrs_size = PFN_ALIGN(num_possible_cpus() * sizeof(pcpur_ptrs[0])); + ptrs_size = PFN_ALIGN(nr_cpu_ids * sizeof(pcpur_ptrs[0])); pcpur_ptrs = alloc_bootmem(ptrs_size); for_each_possible_cpu(cpu) { @@ -1514,7 +1514,7 @@ void __init setup_per_cpu_areas(void) /* allocate address and map */ vm.flags = VM_ALLOC; - vm.size = num_possible_cpus() * PCPU_CHUNK_SIZE; + vm.size = nr_cpu_ids * PCPU_CHUNK_SIZE; vm_area_register_early(&vm, PCPU_CHUNK_SIZE); for_each_possible_cpu(cpu) { diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index 54fb02468f0..68791cad7b7 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -162,9 +162,6 @@ extern void cpu_panic(void); */ extern struct linux_prom_registers smp_penguin_ctable; -extern unsigned long trapbase_cpu1[]; -extern unsigned long trapbase_cpu2[]; -extern unsigned long trapbase_cpu3[]; void __init smp4d_boot_cpus(void) { @@ -235,25 +232,6 @@ void __init smp4d_smp_done(void) *prev = first; local_flush_cache_all(); - /* Free unneeded trap tables */ - ClearPageReserved(virt_to_page(trapbase_cpu1)); - init_page_count(virt_to_page(trapbase_cpu1)); - free_page((unsigned long)trapbase_cpu1); - totalram_pages++; - num_physpages++; - - ClearPageReserved(virt_to_page(trapbase_cpu2)); - init_page_count(virt_to_page(trapbase_cpu2)); - free_page((unsigned long)trapbase_cpu2); - totalram_pages++; - num_physpages++; - - ClearPageReserved(virt_to_page(trapbase_cpu3)); - init_page_count(virt_to_page(trapbase_cpu3)); - free_page((unsigned long)trapbase_cpu3); - totalram_pages++; - num_physpages++; - /* Ok, they are spinning and ready to go. */ smp_processors_ready = 1; sun4d_distribute_irqs(); diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 960b113d000..762d6eedd94 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -121,9 +121,6 @@ void __cpuinit smp4m_callin(void) */ extern struct linux_prom_registers smp_penguin_ctable; -extern unsigned long trapbase_cpu1[]; -extern unsigned long trapbase_cpu2[]; -extern unsigned long trapbase_cpu3[]; void __init smp4m_boot_cpus(void) { @@ -193,29 +190,6 @@ void __init smp4m_smp_done(void) *prev = first; local_flush_cache_all(); - /* Free unneeded trap tables */ - if (!cpu_isset(1, cpu_present_map)) { - ClearPageReserved(virt_to_page(trapbase_cpu1)); - init_page_count(virt_to_page(trapbase_cpu1)); - free_page((unsigned long)trapbase_cpu1); - totalram_pages++; - num_physpages++; - } - if (!cpu_isset(2, cpu_present_map)) { - ClearPageReserved(virt_to_page(trapbase_cpu2)); - init_page_count(virt_to_page(trapbase_cpu2)); - free_page((unsigned long)trapbase_cpu2); - totalram_pages++; - num_physpages++; - } - if (!cpu_isset(3, cpu_present_map)) { - ClearPageReserved(virt_to_page(trapbase_cpu3)); - init_page_count(virt_to_page(trapbase_cpu3)); - free_page((unsigned long)trapbase_cpu3); - totalram_pages++; - num_physpages++; - } - /* Ok, they are spinning and ready to go. */ } diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index f061c4dda9e..aed94869ad6 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -134,10 +134,12 @@ SIGN1(sys32_getpeername, sys_getpeername, %o0) SIGN1(sys32_getsockname, sys_getsockname, %o0) SIGN2(sys32_ioprio_get, sys_ioprio_get, %o0, %o1) SIGN3(sys32_ioprio_set, sys_ioprio_set, %o0, %o1, %o2) -SIGN2(sys32_splice, sys_splice, %o0, %o1) +SIGN2(sys32_splice, sys_splice, %o0, %o2) SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5) SIGN2(sys32_tee, sys_tee, %o0, %o1) SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0) +SIGN1(sys32_truncate, sys_truncate, %o1) +SIGN1(sys32_ftruncate, sys_ftruncate, %o1) .globl sys32_mmap2 sys32_mmap2: diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 6b3ee88e253..2ee7250ba7a 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -43,8 +43,8 @@ sys_call_table32: /*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall .word sys32_getgroups, compat_sys_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd /*120*/ .word compat_sys_readv, compat_sys_writev, compat_sys_settimeofday, sys_fchown16, sys_fchmod - .word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, sys_truncate -/*130*/ .word sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall + .word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, sys32_truncate +/*130*/ .word sys32_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall .word sys_nis_syscall, sys32_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64 /*140*/ .word sys32_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit .word compat_sys_setrlimit, sys_pivot_root, sys32_prctl, sys_pciconfig_read, sys_pciconfig_write |