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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-23 12:01:41 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-23 12:01:41 -0400
commit3a8580f82024e30b31c662aa49346adf7a3bcdb5 (patch)
tree7769a01f152b4081f4e4225e499082fd5c67b184 /arch/um/os-Linux/skas/mem.c
parent1d767cae4dbd4116fc3b2cc3251a20760f98339f (diff)
parent2ccf62b36097aa88e0ea152d6ef0c0ca2d3884e6 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger: "Most changes are bug fixes and cleanups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: missing checks of __put_user()/__get_user() return values um: stub_rt_sigsuspend isn't needed these days anymore um/x86: merge (and trim) 32- and 64-bit variants of ptrace.h irq: Remove irq_chip->release() um: Remove CONFIG_IRQ_RELEASE_METHOD um: Remove usage of irq_chip->release() um: Implement um_free_irq() um: Fix __swp_type() um: Implement a custom pte_same() function um: Add BUG() to do_ops()'s error path um: Remove unused variables um: bury unused _TIF_RESTORE_SIGMASK um: wrong sigmask saved in case of multiple sigframes um: add TIF_NOTIFY_RESUME um: ->restart_block.fn needs to be reset on sigreturn
Diffstat (limited to 'arch/um/os-Linux/skas/mem.c')
-rw-r--r--arch/um/os-Linux/skas/mem.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c
index c0afff7af4bd..90b310d29179 100644
--- a/arch/um/os-Linux/skas/mem.c
+++ b/arch/um/os-Linux/skas/mem.c
@@ -48,10 +48,6 @@ __initcall(init_syscall_regs);
48 48
49extern int proc_mm; 49extern int proc_mm;
50 50
51int single_count = 0;
52int multi_count = 0;
53int multi_op_count = 0;
54
55static inline long do_syscall_stub(struct mm_id * mm_idp, void **addr) 51static inline long do_syscall_stub(struct mm_id * mm_idp, void **addr)
56{ 52{
57 int n, i; 53 int n, i;
@@ -64,8 +60,6 @@ static inline long do_syscall_stub(struct mm_id * mm_idp, void **addr)
64 /* FIXME: Need to look up userspace_pid by cpu */ 60 /* FIXME: Need to look up userspace_pid by cpu */
65 pid = userspace_pid[0]; 61 pid = userspace_pid[0];
66 62
67 multi_count++;
68
69 n = ptrace_setregs(pid, syscall_regs); 63 n = ptrace_setregs(pid, syscall_regs);
70 if (n < 0) { 64 if (n < 0) {
71 printk(UM_KERN_ERR "Registers - \n"); 65 printk(UM_KERN_ERR "Registers - \n");
@@ -126,9 +120,6 @@ long run_syscall_stub(struct mm_id * mm_idp, int syscall,
126{ 120{
127 unsigned long *stack = check_init_stack(mm_idp, *addr); 121 unsigned long *stack = check_init_stack(mm_idp, *addr);
128 122
129 if (done && *addr == NULL)
130 single_count++;
131
132 *stack += sizeof(long); 123 *stack += sizeof(long);
133 stack += *stack / sizeof(long); 124 stack += *stack / sizeof(long);
134 125
@@ -141,7 +132,6 @@ long run_syscall_stub(struct mm_id * mm_idp, int syscall,
141 *stack++ = args[5]; 132 *stack++ = args[5];
142 *stack++ = expected; 133 *stack++ = expected;
143 *stack = 0; 134 *stack = 0;
144 multi_op_count++;
145 135
146 if (!done && ((((unsigned long) stack) & ~UM_KERN_PAGE_MASK) < 136 if (!done && ((((unsigned long) stack) & ~UM_KERN_PAGE_MASK) <
147 UM_KERN_PAGE_SIZE - 10 * sizeof(long))) { 137 UM_KERN_PAGE_SIZE - 10 * sizeof(long))) {