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suppress kernel/VM memory debugging information

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This commit is contained in:
David van Moolenbroek 2009-12-29 21:35:12 +00:00
parent 0bafee3d78
commit ac9a5829a2
4 changed files with 12 additions and 2 deletions
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2
kernel/arch/i386/memory.c
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@ -889,8 +889,10 @@ int vmcheck; /* if nonzero, can return VMSUSPEND */
vmassert(caller->p_vmrequest.vmresult != VMSUSPEND); vmassert(caller->p_vmrequest.vmresult != VMSUSPEND);
RTS_LOCK_UNSET(caller, RTS_VMREQUEST); RTS_LOCK_UNSET(caller, RTS_VMREQUEST);
if(caller->p_vmrequest.vmresult != OK) { if(caller->p_vmrequest.vmresult != OK) {
#if DEBUG_VMASSERT
printf("virtual_copy: returning VM error %d\n", printf("virtual_copy: returning VM error %d\n",
caller->p_vmrequest.vmresult); caller->p_vmrequest.vmresult);
#endif
NOREC_RETURN(virtualcopy, caller->p_vmrequest.vmresult); NOREC_RETURN(virtualcopy, caller->p_vmrequest.vmresult);
} }
} }

3
kernel/system/do_vmctl.c
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@ -83,12 +83,11 @@ register message *m_ptr; /* pointer to request message */
target = proc_addr(proc_nr); target = proc_addr(proc_nr);
p->p_vmrequest.vmresult = m_ptr->SVMCTL_VALUE; p->p_vmrequest.vmresult = m_ptr->SVMCTL_VALUE;
vmassert(p->p_vmrequest.vmresult != VMSUSPEND); vmassert(p->p_vmrequest.vmresult != VMSUSPEND);
#if DEBUG_VMASSERT
if(p->p_vmrequest.vmresult != OK) if(p->p_vmrequest.vmresult != OK)
kprintf("SYSTEM: VM replied %d to mem request\n", kprintf("SYSTEM: VM replied %d to mem request\n",
p->p_vmrequest.vmresult); p->p_vmrequest.vmresult);
#if 0
printf("memreq reply: vm request sent by: %s / %d about %d; 0x%lx-0x%lx, wr %d, stack: %s ", printf("memreq reply: vm request sent by: %s / %d about %d; 0x%lx-0x%lx, wr %d, stack: %s ",
p->p_name, p->p_endpoint, p->p_vmrequest.who, p->p_name, p->p_endpoint, p->p_vmrequest.who,
p->p_vmrequest.start, p->p_vmrequest.start,

6
servers/vm/pagefaults.c
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@ -169,11 +169,15 @@ int handle_memory(struct vmproc *vmp, vir_bytes mem, vir_bytes len, int wrflag)
while(len > 0) { while(len > 0) {
int r; int r;
if(!(region = map_lookup(vmp, mem))) { if(!(region = map_lookup(vmp, mem))) {
#if VERBOSE
map_printmap(vmp); map_printmap(vmp);
printf("VM: do_memory: memory doesn't exist\n"); printf("VM: do_memory: memory doesn't exist\n");
#endif
r = EFAULT; r = EFAULT;
} else if(!(region->flags & VR_WRITABLE) && wrflag) { } else if(!(region->flags & VR_WRITABLE) && wrflag) {
#if VERBOSE
printf("VM: do_memory: write to unwritable map\n"); printf("VM: do_memory: write to unwritable map\n");
#endif
r = EFAULT; r = EFAULT;
} else { } else {
vir_bytes offset, sublen; vir_bytes offset, sublen;
@ -193,9 +197,11 @@ int handle_memory(struct vmproc *vmp, vir_bytes mem, vir_bytes len, int wrflag)
} }
if(r != OK) { if(r != OK) {
#if VERBOSE
printf("VM: memory range 0x%lx-0x%lx not available in %d\n", printf("VM: memory range 0x%lx-0x%lx not available in %d\n",
arch_map2vir(vmp, mem), arch_map2vir(vmp, mem+len), arch_map2vir(vmp, mem), arch_map2vir(vmp, mem+len),
vmp->vm_endpoint); vmp->vm_endpoint);
#endif
return r; return r;
} }
} }

3
servers/vm/vm.h
View File

@ -18,6 +18,9 @@
#define SANITYCHECKS 0 #define SANITYCHECKS 0
#define VMSTATS 0 #define VMSTATS 0
/* How noisy are we supposed to be? */
#define VERBOSE 0
/* Minimum stack region size - 64MB. */ /* Minimum stack region size - 64MB. */
#define MINSTACKREGION (64*1024*1024) #define MINSTACKREGION (64*1024*1024)