AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

x86: I/O APIC: remove redundant 8259A {,un}masking

Browse Source 
For a better control the masking and unmasking of the timer interrupt
line in the 8259A operating in the 'Virtual Wire' mode has been moved out
of setup_ExtINT_IRQ0_pin() now, so remove the redundant calls from the
function.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Maciej W. Rozycki 2008-05-27 21:19:22 +01:00 committed by Ingo Molnar
parent f08252623c
commit 80d16bace6
2 changed files with 0 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86/kernel/io_apic_32.c
View File

@ -1310,8 +1310,6 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
memset(&entry,0,sizeof(entry));
disable_8259A_irq(0);
/* mask LVT0 */
apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
@ -1337,8 +1335,6 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
* Add it to the IO-APIC irq-routing table:
*/
ioapic_write_entry(apic, pin, entry);
enable_8259A_irq(0);
}
void __init print_IO_APIC(void)

4
arch/x86/kernel/io_apic_64.c
View File

@ -906,8 +906,6 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
memset(&entry, 0, sizeof(entry));
disable_8259A_irq(0);
/* mask LVT0 */
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
@ -933,8 +931,6 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
* Add it to the IO-APIC irq-routing table:
*/
ioapic_write_entry(apic, pin, entry);
enable_8259A_irq(0);
}
void __apicdebuginit print_IO_APIC(void)