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Code Issues Releases Activity

Change name of variable from 'rwlock' to more descriptive 'mmio_rwlock'

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Requested by:	grehan
Obtained from:	NetApp
This commit is contained in:
Neel Natu 2013-04-10 02:18:17 +00:00
parent 028d9311cd
commit ae551da6a1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=249322
1 changed files with 11 additions and 11 deletions
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22
usr.sbin/bhyve/mem.c
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@ -72,7 +72,7 @@ RB_HEAD(mmio_rb_tree, mmio_rb_range) mmio_rb_root, mmio_rb_fallback;
*/ */
static struct mmio_rb_range *mmio_hint[VM_MAXCPU]; static struct mmio_rb_range *mmio_hint[VM_MAXCPU];
static pthread_rwlock_t rwlock; static pthread_rwlock_t mmio_rwlock;
static int static int
mmio_rb_range_compare(struct mmio_rb_range *a, struct mmio_rb_range *b) mmio_rb_range_compare(struct mmio_rb_range *a, struct mmio_rb_range *b)
@ -128,12 +128,12 @@ mmio_rb_dump(struct mmio_rb_tree *rbt)
{ {
struct mmio_rb_range *np; struct mmio_rb_range *np;
pthread_rwlock_rdlock(&rwlock); pthread_rwlock_rdlock(&mmio_rwlock);
RB_FOREACH(np, mmio_rb_tree, rbt) { RB_FOREACH(np, mmio_rb_tree, rbt) {
printf(" %lx:%lx, %s\n", np->mr_base, np->mr_end, printf(" %lx:%lx, %s\n", np->mr_base, np->mr_end,
np->mr_param.name); np->mr_param.name);
} }
pthread_rwlock_unlock(&rwlock); pthread_rwlock_unlock(&mmio_rwlock);
} }
#endif #endif
@ -167,7 +167,7 @@ emulate_mem(struct vmctx *ctx, int vcpu, uint64_t paddr, struct vie *vie)
struct mmio_rb_range *entry; struct mmio_rb_range *entry;
int err; int err;
pthread_rwlock_rdlock(&rwlock); pthread_rwlock_rdlock(&mmio_rwlock);
/* /*
* First check the per-vCPU cache * First check the per-vCPU cache
*/ */
@ -183,7 +183,7 @@ emulate_mem(struct vmctx *ctx, int vcpu, uint64_t paddr, struct vie *vie)
/* Update the per-vCPU cache */ /* Update the per-vCPU cache */
mmio_hint[vcpu] = entry; mmio_hint[vcpu] = entry;
} else if (mmio_rb_lookup(&mmio_rb_fallback, paddr, &entry)) { } else if (mmio_rb_lookup(&mmio_rb_fallback, paddr, &entry)) {
pthread_rwlock_unlock(&rwlock); pthread_rwlock_unlock(&mmio_rwlock);
return (ESRCH); return (ESRCH);
} }
} }
@ -191,7 +191,7 @@ emulate_mem(struct vmctx *ctx, int vcpu, uint64_t paddr, struct vie *vie)
assert(entry != NULL); assert(entry != NULL);
err = vmm_emulate_instruction(ctx, vcpu, paddr, vie, err = vmm_emulate_instruction(ctx, vcpu, paddr, vie,
mem_read, mem_write, &entry->mr_param); mem_read, mem_write, &entry->mr_param);
pthread_rwlock_unlock(&rwlock); pthread_rwlock_unlock(&mmio_rwlock);
return (err); return (err);
} }
@ -210,10 +210,10 @@ register_mem_int(struct mmio_rb_tree *rbt, struct mem_range *memp)
mrp->mr_param = *memp; mrp->mr_param = *memp;
mrp->mr_base = memp->base; mrp->mr_base = memp->base;
mrp->mr_end = memp->base + memp->size - 1; mrp->mr_end = memp->base + memp->size - 1;
pthread_rwlock_wrlock(&rwlock); pthread_rwlock_wrlock(&mmio_rwlock);
if (mmio_rb_lookup(rbt, memp->base, &entry) != 0) if (mmio_rb_lookup(rbt, memp->base, &entry) != 0)
err = mmio_rb_add(rbt, mrp); err = mmio_rb_add(rbt, mrp);
pthread_rwlock_unlock(&rwlock); pthread_rwlock_unlock(&mmio_rwlock);
if (err) if (err)
free(mrp); free(mrp);
} else } else
@ -243,7 +243,7 @@ unregister_mem(struct mem_range *memp)
struct mmio_rb_range *entry = NULL; struct mmio_rb_range *entry = NULL;
int err, i; int err, i;
pthread_rwlock_wrlock(&rwlock); pthread_rwlock_wrlock(&mmio_rwlock);
err = mmio_rb_lookup(&mmio_rb_root, memp->base, &entry); err = mmio_rb_lookup(&mmio_rb_root, memp->base, &entry);
if (err == 0) { if (err == 0) {
mr = &entry->mr_param; mr = &entry->mr_param;
@ -257,7 +257,7 @@ unregister_mem(struct mem_range *memp)
mmio_hint[i] = NULL; mmio_hint[i] = NULL;
} }
} }
pthread_rwlock_unlock(&rwlock); pthread_rwlock_unlock(&mmio_rwlock);
if (entry) if (entry)
free(entry); free(entry);
@ -271,5 +271,5 @@ init_mem(void)
RB_INIT(&mmio_rb_root); RB_INIT(&mmio_rb_root);
RB_INIT(&mmio_rb_fallback); RB_INIT(&mmio_rb_fallback);
pthread_rwlock_init(&rwlock, NULL); pthread_rwlock_init(&mmio_rwlock, NULL);
} }