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x86: move a few device initialization objects into .devinit.rodata 

Impact: debuggability and micro-optimization

Putting whatever is possible into the (final) .rodata section increases
the likelihood of catching memory corruption bugs early, and reduces
false cache line sharing.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <49B909A5.76E4.0078.0@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jan Beulich 2009-03-12 12:09:57 +00:00 committed by Ingo Molnar
parent a98fe7f342
commit 821508d4ef
2 changed files with 4 additions and 4 deletions
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4
arch/x86/pci/common.c
View File

@ -90,7 +90,7 @@ static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
return 0;
}
static struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitdata = {
static const struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitconst = {
/*
* Systems where PCI IO resource ISA alignment can be skipped
* when the ISA enable bit in the bridge control is not set
@ -183,7 +183,7 @@ static int __devinit assign_all_busses(const struct dmi_system_id *d)
}
#endif
static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = {
#ifdef __i386__
/*
* Laptops which need pci=assign-busses to see Cardbus cards

4
arch/x86/pci/fixup.c
View File

@ -356,7 +356,7 @@ static void __devinit pci_fixup_video(struct pci_dev *pdev)
DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_video);
static struct dmi_system_id __devinitdata msi_k8t_dmi_table[] = {
static const struct dmi_system_id __devinitconst msi_k8t_dmi_table[] = {
{
.ident = "MSI-K8T-Neo2Fir",
.matches = {
@ -413,7 +413,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237,
*/
static u16 toshiba_line_size;
static struct dmi_system_id __devinitdata toshiba_ohci1394_dmi_table[] = {
static const struct dmi_system_id __devinitconst toshiba_ohci1394_dmi_table[] = {
{
.ident = "Toshiba PS5 based laptop",
.matches = {