diff options
| author | alc <alc@FreeBSD.org> | 2002-04-27 17:00:28 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-04-27 17:00:28 +0000 |
| commit | 13bef9693df0fc59522e38528cd5d63d9a5f6fa5 (patch) | |
| tree | b17bad99d95b4f120ed63de17cf000245c574309 /sys/powerpc | |
| parent | f9bbacbcce49ac738c454d4569d6e7ac97ff6c26 (diff) | |
| download | FreeBSD-src-13bef9693df0fc59522e38528cd5d63d9a5f6fa5.zip FreeBSD-src-13bef9693df0fc59522e38528cd5d63d9a5f6fa5.tar.gz | |
MFi386 1.222: Remove vm_map_growstack() and acquisition and release of Giant
around vm_fault() in trap_pfault().
Diffstat (limited to 'sys/powerpc')
| -rw-r--r-- | sys/powerpc/aim/trap.c | 19 | ||||
| -rw-r--r-- | sys/powerpc/powerpc/trap.c | 19 |
2 files changed, 4 insertions, 34 deletions
diff --git a/sys/powerpc/aim/trap.c b/sys/powerpc/aim/trap.c index 1de9b05..097c59d 100644 --- a/sys/powerpc/aim/trap.c +++ b/sys/powerpc/aim/trap.c @@ -479,7 +479,6 @@ trap_pfault(struct trapframe *frame, int user) } va = trunc_page(eva); - mtx_lock(&Giant); if (map != kernel_map) { /* * Keep swapout from messing with us during this @@ -489,20 +488,8 @@ trap_pfault(struct trapframe *frame, int user) ++p->p_lock; PROC_UNLOCK(p); - /* - * Grow the stack if necessary - */ - /* vm_map_growstack returns failure only if va falls into - * a growable stack region and the stack growth - * fails. It succeeds if va was not within - * a growable stack region, or if the stack - * growth succeeded. - */ - if (vm_map_growstack(p, va) != KERN_SUCCESS) - rv = KERN_FAILURE; - else - /* Fault in the user page: */ - rv = vm_fault(map, va, ftype, + /* Fault in the user page: */ + rv = vm_fault(map, va, ftype, (ftype & VM_PROT_WRITE) ? VM_FAULT_DIRTY : VM_FAULT_NORMAL); @@ -516,8 +503,6 @@ trap_pfault(struct trapframe *frame, int user) */ rv = vm_fault(map, va, ftype, VM_FAULT_NORMAL); } - mtx_unlock(&Giant); - if (rv == KERN_SUCCESS) return (0); diff --git a/sys/powerpc/powerpc/trap.c b/sys/powerpc/powerpc/trap.c index 1de9b05..097c59d 100644 --- a/sys/powerpc/powerpc/trap.c +++ b/sys/powerpc/powerpc/trap.c @@ -479,7 +479,6 @@ trap_pfault(struct trapframe *frame, int user) } va = trunc_page(eva); - mtx_lock(&Giant); if (map != kernel_map) { /* * Keep swapout from messing with us during this @@ -489,20 +488,8 @@ trap_pfault(struct trapframe *frame, int user) ++p->p_lock; PROC_UNLOCK(p); - /* - * Grow the stack if necessary - */ - /* vm_map_growstack returns failure only if va falls into - * a growable stack region and the stack growth - * fails. It succeeds if va was not within - * a growable stack region, or if the stack - * growth succeeded. - */ - if (vm_map_growstack(p, va) != KERN_SUCCESS) - rv = KERN_FAILURE; - else - /* Fault in the user page: */ - rv = vm_fault(map, va, ftype, + /* Fault in the user page: */ + rv = vm_fault(map, va, ftype, (ftype & VM_PROT_WRITE) ? VM_FAULT_DIRTY : VM_FAULT_NORMAL); @@ -516,8 +503,6 @@ trap_pfault(struct trapframe *frame, int user) */ rv = vm_fault(map, va, ftype, VM_FAULT_NORMAL); } - mtx_unlock(&Giant); - if (rv == KERN_SUCCESS) return (0); |
