[PATCH v4 1/8] x86/mm/pat: use pr_info() and friends

From: Luis R. Rodriguez
Date: Wed Apr 29 2015 - 17:50:26 EST


From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx>

Cc: Andy Walls <awalls@xxxxxxxxxxxxxxxx>
Cc: Doug Ledford <dledford@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Juergen Gross <jgross@xxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Dave Airlie <airlied@xxxxxxxxxx>
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: x86@xxxxxxxxxx
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxx>
---
arch/x86/mm/pat.c | 47 +++++++++++++++++++++++------------------------
1 file changed, 23 insertions(+), 24 deletions(-)

diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 372ad42..917155d 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -39,7 +39,7 @@ int __read_mostly pat_enabled = 1;
static inline void pat_disable(const char *reason)
{
pat_enabled = 0;
- printk(KERN_INFO "%s\n", reason);
+ pr_info("%s\n", reason);
}

static int __init nopat(char *str)
@@ -211,8 +211,7 @@ void pat_init(void)
* switched to PAT on the boot CPU. We have no way to
* undo PAT.
*/
- printk(KERN_ERR "PAT enabled, "
- "but not supported by secondary CPU\n");
+ pr_err("PAT enabled, but not supported by secondary CPU\n");
BUG();
}
}
@@ -451,9 +450,9 @@ int reserve_memtype(u64 start, u64 end, enum page_cache_mode req_type,

err = rbt_memtype_check_insert(new, new_type);
if (err) {
- printk(KERN_INFO "reserve_memtype failed [mem %#010Lx-%#010Lx], track %s, req %s\n",
- start, end - 1,
- cattr_name(new->type), cattr_name(req_type));
+ pr_info("reserve_memtype failed [mem %#010Lx-%#010Lx], track %s, req %s\n",
+ start, end - 1,
+ cattr_name(new->type), cattr_name(req_type));
kfree(new);
spin_unlock(&memtype_lock);

@@ -462,9 +461,9 @@ int reserve_memtype(u64 start, u64 end, enum page_cache_mode req_type,

spin_unlock(&memtype_lock);

- dprintk("reserve_memtype added [mem %#010Lx-%#010Lx], track %s, req %s, ret %s\n",
- start, end - 1, cattr_name(new->type), cattr_name(req_type),
- new_type ? cattr_name(*new_type) : "-");
+ pr_debug("reserve_memtype added [mem %#010Lx-%#010Lx], track %s, req %s, ret %s\n",
+ start, end - 1, cattr_name(new->type), cattr_name(req_type),
+ new_type ? cattr_name(*new_type) : "-");

return err;
}
@@ -497,14 +496,15 @@ int free_memtype(u64 start, u64 end)
spin_unlock(&memtype_lock);

if (!entry) {
- printk(KERN_INFO "%s:%d freeing invalid memtype [mem %#010Lx-%#010Lx]\n",
- current->comm, current->pid, start, end - 1);
+ pr_info("%s:%d freeing invalid memtype [mem %#010Lx-%#010Lx]\n",
+ current->comm, current->pid, start, end - 1);
return -EINVAL;
}

kfree(entry);

- dprintk("free_memtype request [mem %#010Lx-%#010Lx]\n", start, end - 1);
+ pr_debug("free_memtype request [mem %#010Lx-%#010Lx]\n",
+ start, end - 1);

return 0;
}
@@ -628,8 +628,8 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)

while (cursor < to) {
if (!devmem_is_allowed(pfn)) {
- printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx], PAT prevents it\n",
- current->comm, from, to - 1);
+ pr_info("Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx], PAT prevents it\n",
+ current->comm, from, to - 1);
return 0;
}
cursor += PAGE_SIZE;
@@ -698,8 +698,7 @@ int kernel_map_sync_memtype(u64 base, unsigned long size,
size;

if (ioremap_change_attr((unsigned long)__va(base), id_sz, pcm) < 0) {
- printk(KERN_INFO "%s:%d ioremap_change_attr failed %s "
- "for [mem %#010Lx-%#010Lx]\n",
+ pr_info("%s:%d ioremap_change_attr failed %s for [mem %#010Lx-%#010Lx]\n",
current->comm, current->pid,
cattr_name(pcm),
base, (unsigned long long)(base + size-1));
@@ -734,7 +733,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,

pcm = lookup_memtype(paddr);
if (want_pcm != pcm) {
- printk(KERN_WARNING "%s:%d map pfn RAM range req %s for [mem %#010Lx-%#010Lx], got %s\n",
+ pr_warn("%s:%d map pfn RAM range req %s for [mem %#010Lx-%#010Lx], got %s\n",
current->comm, current->pid,
cattr_name(want_pcm),
(unsigned long long)paddr,
@@ -755,13 +754,13 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,
if (strict_prot ||
!is_new_memtype_allowed(paddr, size, want_pcm, pcm)) {
free_memtype(paddr, paddr + size);
- printk(KERN_ERR "%s:%d map pfn expected mapping type %s"
- " for [mem %#010Lx-%#010Lx], got %s\n",
- current->comm, current->pid,
- cattr_name(want_pcm),
- (unsigned long long)paddr,
- (unsigned long long)(paddr + size - 1),
- cattr_name(pcm));
+ pr_err(KERN_ERR "%s:%d map pfn expected mapping type %s"
+ " for [mem %#010Lx-%#010Lx], got %s\n",
+ current->comm, current->pid,
+ cattr_name(want_pcm),
+ (unsigned long long)paddr,
+ (unsigned long long)(paddr + size - 1),
+ cattr_name(pcm));
return -EINVAL;
}
/*
--
2.3.2.209.gd67f9d5.dirty

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