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Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 cleanups from Ingo Molnar:
 "Misc cleanups"

* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apm: Fix spelling mistake: "caculate" -> "calculate"
  x86/mtrr: Rename main.c to mtrr.c and remove duplicate prefixes
  x86: Remove pr_fmt duplicate logging prefixes
  x86/early-quirks: Rename duplicate define of dev_err
  x86/bpf: Clean up non-standard comments, to make the code more readable
This commit is contained in:
Linus Torvalds
2018-06-04 19:17:47 -07:00
parent 42964c6f62 844ea8f626
commit 0afe832e55
10 changed files with 188 additions and 155 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kernel/cpu/mtrr/Makefile
View File

@@ -1,3 +1,3 @@
obj-y := main.o if.o generic.o cleanup.o
obj-y := mtrr.o if.o generic.o cleanup.o
obj-$(CONFIG_X86_32) += amd.o cyrix.o centaur.o

33
arch/x86/kernel/cpu/mtrr/main.c → arch/x86/kernel/cpu/mtrr/mtrr.c
View File

@@ -101,7 +101,7 @@ static int have_wrcomb(void)
if (dev->vendor == PCI_VENDOR_ID_SERVERWORKS &&
dev->device == PCI_DEVICE_ID_SERVERWORKS_LE &&
dev->revision <= 5) {
pr_info("mtrr: Serverworks LE rev < 6 detected. Write-combining disabled.\n");
pr_info("Serverworks LE rev < 6 detected. Write-combining disabled.\n");
pci_dev_put(dev);
return 0;
}
@@ -111,7 +111,7 @@ static int have_wrcomb(void)
*/
if (dev->vendor == PCI_VENDOR_ID_INTEL &&
dev->device == PCI_DEVICE_ID_INTEL_82451NX) {
pr_info("mtrr: Intel 450NX MMC detected. Write-combining disabled.\n");
pr_info("Intel 450NX MMC detected. Write-combining disabled.\n");
pci_dev_put(dev);
return 0;
}
@@ -313,24 +313,24 @@ int mtrr_add_page(unsigned long base, unsigned long size,
return error;
if (type >= MTRR_NUM_TYPES) {
pr_warn("mtrr: type: %u invalid\n", type);
pr_warn("type: %u invalid\n", type);
return -EINVAL;
}
/* If the type is WC, check that this processor supports it */
if ((type == MTRR_TYPE_WRCOMB) && !have_wrcomb()) {
pr_warn("mtrr: your processor doesn't support write-combining\n");
pr_warn("your processor doesn't support write-combining\n");
return -ENOSYS;
}
if (!size) {
pr_warn("mtrr: zero sized request\n");
pr_warn("zero sized request\n");
return -EINVAL;
}
if ((base | (base + size - 1)) >>
(boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) {
pr_warn("mtrr: base or size exceeds the MTRR width\n");
pr_warn("base or size exceeds the MTRR width\n");
return -EINVAL;
}
@@ -361,8 +361,7 @@ int mtrr_add_page(unsigned long base, unsigned long size,
} else if (types_compatible(type, ltype))
continue;
}
pr_warn("mtrr: 0x%lx000,0x%lx000 overlaps existing"
" 0x%lx000,0x%lx000\n", base, size, lbase,
pr_warn("0x%lx000,0x%lx000 overlaps existing 0x%lx000,0x%lx000\n", base, size, lbase,
lsize);
goto out;
}
@@ -370,7 +369,7 @@ int mtrr_add_page(unsigned long base, unsigned long size,
if (ltype != type) {
if (types_compatible(type, ltype))
continue;
pr_warn("mtrr: type mismatch for %lx000,%lx000 old: %s new: %s\n",
pr_warn("type mismatch for %lx000,%lx000 old: %s new: %s\n",
base, size, mtrr_attrib_to_str(ltype),
mtrr_attrib_to_str(type));
goto out;
@@ -396,7 +395,7 @@ int mtrr_add_page(unsigned long base, unsigned long size,
}
}
} else {
pr_info("mtrr: no more MTRRs available\n");
pr_info("no more MTRRs available\n");
}
error = i;
out:
@@ -408,8 +407,8 @@ int mtrr_add_page(unsigned long base, unsigned long size,
static int mtrr_check(unsigned long base, unsigned long size)
{
if ((base & (PAGE_SIZE - 1)) || (size & (PAGE_SIZE - 1))) {
pr_warn("mtrr: size and base must be multiples of 4 kiB\n");
pr_debug("mtrr: size: 0x%lx base: 0x%lx\n", size, base);
pr_warn("size and base must be multiples of 4 kiB\n");
pr_debug("size: 0x%lx base: 0x%lx\n", size, base);
dump_stack();
return -1;
}
@@ -500,22 +499,22 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size)
}
}
if (reg < 0) {
pr_debug("mtrr: no MTRR for %lx000,%lx000 found\n",
pr_debug("no MTRR for %lx000,%lx000 found\n",
base, size);
goto out;
}
}
if (reg >= max) {
pr_warn("mtrr: register: %d too big\n", reg);
pr_warn("register: %d too big\n", reg);
goto out;
}
mtrr_if->get(reg, &lbase, &lsize, &ltype);
if (lsize < 1) {
pr_warn("mtrr: MTRR %d not used\n", reg);
pr_warn("MTRR %d not used\n", reg);
goto out;
}
if (mtrr_usage_table[reg] < 1) {
pr_warn("mtrr: reg: %d has count=0\n", reg);
pr_warn("reg: %d has count=0\n", reg);
goto out;
}
if (--mtrr_usage_table[reg] < 1)
@@ -776,7 +775,7 @@ void __init mtrr_bp_init(void)
}
if (!mtrr_enabled()) {
pr_info("MTRR: Disabled\n");
pr_info("Disabled\n");
/*
* PAT initialization relies on MTRR's rendezvous handler.