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Commit 821508d4 authored by Jan Beulich's avatar Jan Beulich Committed by Ingo Molnar
Browse files

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: default avatarJan Beulich <jbeulich@novell.com>
LKML-Reference: <49B909A5.76E4.0078.0@novell.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent a98fe7f3

arch/x86/pci/common.c

+2 −2
Original line number Diff line number Diff line
@@ -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

arch/x86/pci/fixup.c

+2 −2
Original line number Diff line number Diff line
@@ -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 = {