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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [RFC PATCH for-next 12/18] x86/mem_sharing: Replace MEM_SHARING_DEBUG with gdprintk
Using XENLOG_ERR level since this is only used in debug paths (ie. it's
expected the user already has loglvl=all set).
Signed-off-by: Tamas K Lengyel <tamas.lengyel@xxxxxxxxx>
---
xen/arch/x86/mm/mem_sharing.c | 81 ++++++++++++++++++-----------------
1 file changed, 41 insertions(+), 40 deletions(-)
diff --git a/xen/arch/x86/mm/mem_sharing.c b/xen/arch/x86/mm/mem_sharing.c
index 157a3a1303..a7b9665c8b 100644
--- a/xen/arch/x86/mm/mem_sharing.c
+++ b/xen/arch/x86/mm/mem_sharing.c
@@ -49,9 +49,6 @@ typedef struct pg_lock_data {
static DEFINE_PER_CPU(pg_lock_data_t, __pld);
-#define MEM_SHARING_DEBUG(_f, _a...) \
- debugtrace_printk("mem_sharing_debug: %s(): " _f, __func__, ##_a)
-
/* Reverse map defines */
#define RMAP_HASHTAB_ORDER 0
#define RMAP_HASHTAB_SIZE \
@@ -491,8 +488,9 @@ static int audit(void)
/* If we can't lock it, it's definitely not a shared page */
if ( !mem_sharing_page_lock(pg) )
{
- MEM_SHARING_DEBUG("mfn %lx in audit list, but cannot be locked
(%lx)!\n",
- mfn_x(mfn), pg->u.inuse.type_info);
+ gdprintk(XENLOG_ERR,
+ "mfn %lx in audit list, but cannot be locked (%lx)!\n",
+ mfn_x(mfn), pg->u.inuse.type_info);
errors++;
continue;
}
@@ -500,8 +498,9 @@ static int audit(void)
/* Check if the MFN has correct type, owner and handle. */
if ( (pg->u.inuse.type_info & PGT_type_mask) != PGT_shared_page )
{
- MEM_SHARING_DEBUG("mfn %lx in audit list, but not PGT_shared_page
(%lx)!\n",
- mfn_x(mfn), pg->u.inuse.type_info &
PGT_type_mask);
+ gdprintk(XENLOG_ERR,
+ "mfn %lx in audit list, but not PGT_shared_page (%lx)!\n",
+ mfn_x(mfn), pg->u.inuse.type_info & PGT_type_mask);
errors++;
continue;
}
@@ -509,24 +508,24 @@ static int audit(void)
/* Check the page owner. */
if ( page_get_owner(pg) != dom_cow )
{
- MEM_SHARING_DEBUG("mfn %lx shared, but wrong owner (%hu)!\n",
- mfn_x(mfn), page_get_owner(pg)->domain_id);
+ gdprintk(XENLOG_ERR, "mfn %lx shared, but wrong owner (%hu)!\n",
+ mfn_x(mfn), page_get_owner(pg)->domain_id);
errors++;
}
/* Check the m2p entry */
if ( !SHARED_M2P(get_gpfn_from_mfn(mfn_x(mfn))) )
{
- MEM_SHARING_DEBUG("mfn %lx shared, but wrong m2p entry (%lx)!\n",
- mfn_x(mfn), get_gpfn_from_mfn(mfn_x(mfn)));
+ gdprintk(XENLOG_ERR, "mfn %lx shared, but wrong m2p entry (%lx)!\n",
+ mfn_x(mfn), get_gpfn_from_mfn(mfn_x(mfn)));
errors++;
}
/* Check we have a list */
if ( (!pg->sharing) || !rmap_has_entries(pg) )
{
- MEM_SHARING_DEBUG("mfn %lx shared, but empty gfn list!\n",
- mfn_x(mfn));
+ gdprintk(XENLOG_ERR, "mfn %lx shared, but empty gfn list!\n",
+ mfn_x(mfn));
errors++;
continue;
}
@@ -545,24 +544,26 @@ static int audit(void)
d = get_domain_by_id(g->domain);
if ( d == NULL )
{
- MEM_SHARING_DEBUG("Unknown dom: %hu, for PFN=%lx, MFN=%lx\n",
- g->domain, g->gfn, mfn_x(mfn));
+ gdprintk(XENLOG_ERR,
+ "Unknown dom: %hu, for PFN=%lx, MFN=%lx\n",
+ g->domain, g->gfn, mfn_x(mfn));
errors++;
continue;
}
o_mfn = get_gfn_query_unlocked(d, g->gfn, &t);
if ( !mfn_eq(o_mfn, mfn) )
{
- MEM_SHARING_DEBUG("Incorrect P2M for d=%hu, PFN=%lx."
- "Expecting MFN=%lx, got %lx\n",
- g->domain, g->gfn, mfn_x(mfn), mfn_x(o_mfn));
+ gdprintk(XENLOG_ERR, "Incorrect P2M for d=%hu, PFN=%lx."
+ "Expecting MFN=%lx, got %lx\n",
+ g->domain, g->gfn, mfn_x(mfn), mfn_x(o_mfn));
errors++;
}
if ( t != p2m_ram_shared )
{
- MEM_SHARING_DEBUG("Incorrect P2M type for d=%hu, PFN=%lx
MFN=%lx."
- "Expecting t=%d, got %d\n",
- g->domain, g->gfn, mfn_x(mfn),
p2m_ram_shared, t);
+ gdprintk(XENLOG_ERR,
+ "Incorrect P2M type for d=%hu, PFN=%lx MFN=%lx."
+ "Expecting t=%d, got %d\n",
+ g->domain, g->gfn, mfn_x(mfn), p2m_ram_shared, t);
errors++;
}
put_domain(d);
@@ -571,10 +572,10 @@ static int audit(void)
/* The type count has an extra ref because we have locked the page */
if ( (nr_gfns + 1) != (pg->u.inuse.type_info & PGT_count_mask) )
{
- MEM_SHARING_DEBUG("Mismatched counts for MFN=%lx."
- "nr_gfns in list %lu, in type_info %lx\n",
- mfn_x(mfn), nr_gfns,
- (pg->u.inuse.type_info & PGT_count_mask));
+ gdprintk(XENLOG_ERR, "Mismatched counts for MFN=%lx."
+ "nr_gfns in list %lu, in type_info %lx\n",
+ mfn_x(mfn), nr_gfns,
+ (pg->u.inuse.type_info & PGT_count_mask));
errors++;
}
@@ -585,8 +586,8 @@ static int audit(void)
if ( count_found != count_expected )
{
- MEM_SHARING_DEBUG("Expected %ld shared mfns, found %ld.",
- count_expected, count_found);
+ gdprintk(XENLOG_ERR, "Expected %ld shared mfns, found %ld.",
+ count_expected, count_found);
errors++;
}
@@ -765,12 +766,12 @@ static int debug_mfn(mfn_t mfn)
return -EINVAL;
}
- MEM_SHARING_DEBUG(
- "Debug page: MFN=%lx is ci=%lx, ti=%lx, owner_id=%d\n",
- mfn_x(page_to_mfn(page)),
- page->count_info,
- page->u.inuse.type_info,
- page_get_owner(page)->domain_id);
+ gdprintk(XENLOG_ERR,
+ "Debug page: MFN=%lx is ci=%lx, ti=%lx, owner_id=%d\n",
+ mfn_x(page_to_mfn(page)),
+ page->count_info,
+ page->u.inuse.type_info,
+ page_get_owner(page)->domain_id);
/* -1 because the page is locked and that's an additional type ref */
num_refs = ((int) (page->u.inuse.type_info & PGT_count_mask)) - 1;
@@ -786,8 +787,9 @@ static int debug_gfn(struct domain *d, gfn_t gfn)
mfn = get_gfn_query(d, gfn_x(gfn), &p2mt);
- MEM_SHARING_DEBUG("Debug for dom%d, gfn=%" PRI_gfn "\n",
- d->domain_id, gfn_x(gfn));
+ gdprintk(XENLOG_ERR, "Debug for dom%d, gfn=%" PRI_gfn "\n",
+ d->domain_id, gfn_x(gfn));
+
num_refs = debug_mfn(mfn);
put_gfn(d, gfn_x(gfn));
@@ -803,14 +805,13 @@ static int debug_gref(struct domain *d, grant_ref_t ref)
rc = mem_sharing_gref_to_gfn(d->grant_table, ref, &gfn, &status);
if ( rc )
{
- MEM_SHARING_DEBUG("Asked to debug [dom=%d,gref=%u]: error %d.\n",
- d->domain_id, ref, rc);
+ gdprintk(XENLOG_ERR, "Asked to debug [dom=%d,gref=%u]: error %d.\n",
+ d->domain_id, ref, rc);
return rc;
}
- MEM_SHARING_DEBUG(
- "==> Grant [dom=%d,ref=%d], status=%x. ",
- d->domain_id, ref, status);
+ gdprintk(XENLOG_ERR, " ==> Grant [dom=%d,ref=%d], status=%x. ",
+ d->domain_id, ref, status);
return debug_gfn(d, gfn);
}
--
2.20.1
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