Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

diff --git a/arch/sparc/kernel/systbls.S b/arch/sparc/kernel/systbls.S
index 025f4516e6516e1f4e961068633cefe2e88335f0..e457a40838fc240ffb92ff3b0d0543ca8aac6c6e 100644 (file)
--- a/arch/sparc/kernel/systbls.S
+++ b/arch/sparc/kernel/systbls.S
@@ -48,8 +48,8 @@ sys_call_table:
 /*135*/        .long sys_nis_syscall, sys_mkdir, sys_rmdir, sys_utimes, sys_stat64
 /*140*/        .long sys_sendfile64, sys_nis_syscall, sys_futex, sys_gettid, sys_getrlimit
 /*145*/        .long sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write
-/*150*/        .long sys_nis_syscall, sys_nis_syscall, sys_nis_syscall, sys_poll, sys_getdents64
-/*155*/        .long sys_fcntl64, sys_ni_syscall, sys_statfs, sys_fstatfs, sys_oldumount
+/*150*/        .long sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
+/*155*/        .long sys_fcntl64, sys_inotify_rm_watch, sys_statfs, sys_fstatfs, sys_oldumount
 /*160*/        .long sys_sched_setaffinity, sys_sched_getaffinity, sys_getdomainname, sys_setdomainname, sys_nis_syscall
 /*165*/        .long sys_quotactl, sys_set_tid_address, sys_mount, sys_ustat, sys_setxattr
 /*170*/        .long sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents

diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index bceb91a8a2bd5fffa895ce00f2d90d4567c4f450..53eaf2345fe97aa01aeaab2b528a64c6bfd39b2e 100644 (file)
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -50,8 +50,8 @@ sys_call_table32:
        .word sys_nis_syscall, sys32_mkdir, sys_rmdir, sys32_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
-/*150*/        .word sys_nis_syscall, sys_nis_syscall, sys_nis_syscall, sys_poll, sys_getdents64
-       .word compat_sys_fcntl64, sys_ni_syscall, compat_sys_statfs, compat_sys_fstatfs, sys_oldumount
+/*150*/        .word sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
+       .word compat_sys_fcntl64, sys_inotify_rm_watch, compat_sys_statfs, compat_sys_fstatfs, sys_oldumount
 /*160*/        .word compat_sys_sched_setaffinity, compat_sys_sched_getaffinity, sys32_getdomainname, sys32_setdomainname, sys_nis_syscall
        .word sys_quotactl, sys_set_tid_address, compat_sys_mount, sys_ustat, sys32_setxattr
 /*170*/        .word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, compat_sys_getdents
@@ -116,8 +116,8 @@ sys_call_table:
        .word sys_socketpair, sys_mkdir, sys_rmdir, sys_utimes, sys_stat64
 /*140*/        .word sys_sendfile64, sys_getpeername, sys_futex, sys_gettid, sys_getrlimit
        .word sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write
-/*150*/        .word sys_getsockname, sys_nis_syscall, sys_nis_syscall, sys_poll, sys_getdents64
-       .word sys_nis_syscall, sys_ni_syscall, sys_statfs, sys_fstatfs, sys_oldumount
+/*150*/        .word sys_getsockname, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
+       .word sys_nis_syscall, sys_inotify_rm_watch, sys_statfs, sys_fstatfs, sys_oldumount
 /*160*/        .word sys_sched_setaffinity, sys_sched_getaffinity, sys_getdomainname, sys_setdomainname, sys_utrap_install
        .word sys_quotactl, sys_set_tid_address, sys_mount, sys_ustat, sys_setxattr
 /*170*/        .word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents

diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 8fc413cb6acd9116763ce2eb4edcf12d0d765f3c..3fbaf342a452368972f0db2c9881d4be555ad41d 100644 (file)
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -121,15 +121,24 @@ __inline__ void flush_dcache_page_impl(struct page *page)
 }
 
 #define PG_dcache_dirty                PG_arch_1
+#define PG_dcache_cpu_shift    24
+#define PG_dcache_cpu_mask     (256 - 1)
+
+#if NR_CPUS > 256
+#error D-cache dirty tracking and thread_info->cpu need fixing for > 256 cpus
+#endif
 
 #define dcache_dirty_cpu(page) \
-       (((page)->flags >> 24) & (NR_CPUS - 1UL))
+       (((page)->flags >> PG_dcache_cpu_shift) & PG_dcache_cpu_mask)
 
 static __inline__ void set_dcache_dirty(struct page *page, int this_cpu)
 {
        unsigned long mask = this_cpu;
-       unsigned long non_cpu_bits = ~((NR_CPUS - 1UL) << 24UL);
-       mask = (mask << 24) | (1UL << PG_dcache_dirty);
+       unsigned long non_cpu_bits;
+
+       non_cpu_bits = ~(PG_dcache_cpu_mask << PG_dcache_cpu_shift);
+       mask = (mask << PG_dcache_cpu_shift) | (1UL << PG_dcache_dirty);
+
        __asm__ __volatile__("1:\n\t"
                             "ldx       [%2], %%g7\n\t"
                             "and       %%g7, %1, %%g1\n\t"
@@ -151,7 +160,7 @@ static __inline__ void clear_dcache_dirty_cpu(struct page *page, unsigned long c
        __asm__ __volatile__("! test_and_clear_dcache_dirty\n"
                             "1:\n\t"
                             "ldx       [%2], %%g7\n\t"
-                            "srlx      %%g7, 24, %%g1\n\t"
+                            "srlx      %%g7, %4, %%g1\n\t"
                             "and       %%g1, %3, %%g1\n\t"
                             "cmp       %%g1, %0\n\t"
                             "bne,pn    %%icc, 2f\n\t"
@@ -164,7 +173,8 @@ static __inline__ void clear_dcache_dirty_cpu(struct page *page, unsigned long c
                             "2:"
                             : /* no outputs */
                             : "r" (cpu), "r" (mask), "r" (&page->flags),
-                              "i" (NR_CPUS - 1UL)
+                              "i" (PG_dcache_cpu_mask),
+                              "i" (PG_dcache_cpu_shift)
                             : "g1", "g7");
 }
 
@@ -180,7 +190,8 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t p
        if (pfn_valid(pfn) &&
            (page = pfn_to_page(pfn), page_mapping(page)) &&
            ((pg_flags = page->flags) & (1UL << PG_dcache_dirty))) {
-               int cpu = ((pg_flags >> 24) & (NR_CPUS - 1UL));
+               int cpu = ((pg_flags >> PG_dcache_cpu_shift) &
+                          PG_dcache_cpu_mask);
                int this_cpu = get_cpu();
 
                /* This is just to optimize away some function calls

diff --git a/include/asm-sparc/unistd.h b/include/asm-sparc/unistd.h
index aee17d7e2e44cdc3f2bfc0fa5f1a6d6468d4822c..58dba518239e712e3ba1daf2cc314500513cc8ca 100644 (file)
--- a/include/asm-sparc/unistd.h
+++ b/include/asm-sparc/unistd.h
@@ -167,12 +167,12 @@
 #define __NR_pciconfig_read    148 /* ENOSYS under SunOS                          */
 #define __NR_pciconfig_write   149 /* ENOSYS under SunOS                          */
 #define __NR_getsockname        150 /* Common                                      */
-/* #define __NR_getmsg          151    SunOS Specific                              */
-/* #define __NR_putmsg          152    SunOS Specific                              */
+#define __NR_inotify_init       151 /* Linux specific                              */
+#define __NR_inotify_add_watch  152 /* Linux specific                              */
 #define __NR_poll               153 /* Common                                      */
 #define __NR_getdents64                154 /* Linux specific                              */
 #define __NR_fcntl64           155 /* Linux sparc32 Specific                      */
-/* #define __NR_getdirentires  156    SunOS Specific                              */
+#define __NR_inotify_rm_watch   156 /* Linux specific                             */
 #define __NR_statfs             157 /* Common                                      */
 #define __NR_fstatfs            158 /* Common                                      */
 #define __NR_umount             159 /* Common                                      */

diff --git a/include/asm-sparc64/unistd.h b/include/asm-sparc64/unistd.h
index f59144c6b76a449194715e21efb8d21f31a0ac50..51ec2879b881f7e363e7969d1d527a30aaa171df 100644 (file)
--- a/include/asm-sparc64/unistd.h
+++ b/include/asm-sparc64/unistd.h
@@ -167,12 +167,12 @@
 #define __NR_pciconfig_read    148 /* ENOSYS under SunOS                          */
 #define __NR_pciconfig_write   149 /* ENOSYS under SunOS                          */
 #define __NR_getsockname        150 /* Common                                      */
-/* #define __NR_getmsg          151    SunOS Specific                              */
-/* #define __NR_putmsg          152    SunOS Specific                              */
+#define __NR_inotify_init       151 /* Linux specific                              */
+#define __NR_inotify_add_watch  152 /* Linux specific                              */
 #define __NR_poll               153 /* Common                                      */
 #define __NR_getdents64                154 /* Linux specific                              */
 /* #define __NR_fcntl64         155    Linux sparc32 Specific                      */
-/* #define __NR_getdirentries   156    SunOS Specific                              */
+#define __NR_inotify_rm_watch   156 /* Linux specific                             */
 #define __NR_statfs             157 /* Common                                      */
 #define __NR_fstatfs            158 /* Common                                      */
 #define __NR_umount             159 /* Common                                      */