diff options
-rw-r--r-- | arch/um/kernel/tt/process_kern.c | 8 | ||||
-rw-r--r-- | arch/um/kernel/um_arch.c | 6 | ||||
-rw-r--r-- | include/asm-um/pgtable.h | 8 |
3 files changed, 1 insertions, 21 deletions
diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c index df810ca8fc12..776310fd5b8b 100644 --- a/arch/um/kernel/tt/process_kern.c +++ b/arch/um/kernel/tt/process_kern.c | |||
@@ -32,10 +32,6 @@ void *switch_to_tt(void *prev, void *next, void *last) | |||
32 | unsigned long flags; | 32 | unsigned long flags; |
33 | int err, vtalrm, alrm, prof, cpu; | 33 | int err, vtalrm, alrm, prof, cpu; |
34 | char c; | 34 | char c; |
35 | /* jailing and SMP are incompatible, so this doesn't need to be | ||
36 | * made per-cpu | ||
37 | */ | ||
38 | static int reading; | ||
39 | 35 | ||
40 | from = prev; | 36 | from = prev; |
41 | to = next; | 37 | to = next; |
@@ -59,13 +55,11 @@ void *switch_to_tt(void *prev, void *next, void *last) | |||
59 | c = 0; | 55 | c = 0; |
60 | set_current(to); | 56 | set_current(to); |
61 | 57 | ||
62 | reading = 0; | ||
63 | err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c)); | 58 | err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c)); |
64 | if(err != sizeof(c)) | 59 | if(err != sizeof(c)) |
65 | panic("write of switch_pipe failed, err = %d", -err); | 60 | panic("write of switch_pipe failed, err = %d", -err); |
66 | 61 | ||
67 | reading = 1; | 62 | if(from->thread.mode.tt.switch_pipe[0] == -1) |
68 | if(from->thread.mode.tt.switch_pipe[0] == -1) | ||
69 | os_kill_process(os_getpid(), 0); | 63 | os_kill_process(os_getpid(), 0); |
70 | 64 | ||
71 | err = os_read_file(from->thread.mode.tt.switch_pipe[0], &c, sizeof(c)); | 65 | err = os_read_file(from->thread.mode.tt.switch_pipe[0], &c, sizeof(c)); |
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 4d10ec372a67..418427107b29 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c | |||
@@ -111,12 +111,6 @@ struct seq_operations cpuinfo_op = { | |||
111 | .show = show_cpuinfo, | 111 | .show = show_cpuinfo, |
112 | }; | 112 | }; |
113 | 113 | ||
114 | pte_t * __bad_pagetable(void) | ||
115 | { | ||
116 | panic("Someone should implement __bad_pagetable"); | ||
117 | return(NULL); | ||
118 | } | ||
119 | |||
120 | /* Set in linux_main */ | 114 | /* Set in linux_main */ |
121 | unsigned long host_task_size; | 115 | unsigned long host_task_size; |
122 | unsigned long task_size; | 116 | unsigned long task_size; |
diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h index 510e513c7f88..a88040920311 100644 --- a/include/asm-um/pgtable.h +++ b/include/asm-um/pgtable.h | |||
@@ -114,17 +114,9 @@ extern unsigned long end_iomem; | |||
114 | extern unsigned long pg0[1024]; | 114 | extern unsigned long pg0[1024]; |
115 | 115 | ||
116 | /* | 116 | /* |
117 | * BAD_PAGETABLE is used when we need a bogus page-table, while | ||
118 | * BAD_PAGE is used for a bogus page. | ||
119 | * | ||
120 | * ZERO_PAGE is a global shared page that is always zero: used | 117 | * ZERO_PAGE is a global shared page that is always zero: used |
121 | * for zero-mapped memory areas etc.. | 118 | * for zero-mapped memory areas etc.. |
122 | */ | 119 | */ |
123 | extern pte_t __bad_page(void); | ||
124 | extern pte_t * __bad_pagetable(void); | ||
125 | |||
126 | #define BAD_PAGETABLE __bad_pagetable() | ||
127 | #define BAD_PAGE __bad_page() | ||
128 | 120 | ||
129 | #define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page) | 121 | #define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page) |
130 | 122 | ||