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yaml
---
r: 104335
b: refs/heads/master
c: 49a66a0
h: refs/heads/master
i:
  104333: 1969f5b
  104331: c32118e
  104327: 914a2f8
  104319: 3e92157
v: v3
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Maciej W. Rozycki authored and Ingo Molnar committed Jul 18, 2008
1 parent 5d0e1fd commit fed47ba
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Showing 3 changed files with 45 additions and 36 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: baa1318841d4bc95d783e6c15219b264720002c8
refs/heads/master: 49a66a0bcea8737e82035a31ad0d8cd64d027a5d
39 changes: 22 additions & 17 deletions trunk/arch/x86/kernel/io_apic_32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2177,8 +2177,9 @@ static inline void __init check_timer(void)
pin2 = ioapic_i8259.pin;
apic2 = ioapic_i8259.apic;

printk(KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n",
vector, apic1, pin1, apic2, pin2);
apic_printk(APIC_QUIET, KERN_INFO "..TIMER: vector=0x%02X "
"apic1=%d pin1=%d apic2=%d pin2=%d\n",
vector, apic1, pin1, apic2, pin2);

/*
* Some BIOS writers are clueless and report the ExtINTA
Expand Down Expand Up @@ -2216,12 +2217,13 @@ static inline void __init check_timer(void)
}
clear_IO_APIC_pin(apic1, pin1);
if (!no_pin1)
printk(KERN_ERR "..MP-BIOS bug: "
"8254 timer not connected to IO-APIC\n");
apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: "
"8254 timer not connected to IO-APIC\n");

printk(KERN_INFO "...trying to set up timer (IRQ0) "
"through the 8259A ... ");
printk("\n..... (found pin %d) ...", pin2);
apic_printk(APIC_QUIET, KERN_INFO "...trying to set up timer "
"(IRQ0) through the 8259A ...\n");
apic_printk(APIC_QUIET, KERN_INFO
"..... (found apic %d pin %d) ...\n", apic2, pin2);
/*
* legacy devices should be connected to IO APIC #0
*/
Expand All @@ -2230,7 +2232,7 @@ static inline void __init check_timer(void)
unmask_IO_APIC_irq(0);
enable_8259A_irq(0);
if (timer_irq_works()) {
printk("works.\n");
apic_printk(APIC_QUIET, KERN_INFO "....... works.\n");
timer_through_8259 = 1;
if (nmi_watchdog == NMI_IO_APIC) {
disable_8259A_irq(0);
Expand All @@ -2244,30 +2246,33 @@ static inline void __init check_timer(void)
*/
disable_8259A_irq(0);
clear_IO_APIC_pin(apic2, pin2);
printk(" failed.\n");
apic_printk(APIC_QUIET, KERN_INFO "....... failed.\n");
}

if (nmi_watchdog == NMI_IO_APIC) {
printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n");
apic_printk(APIC_QUIET, KERN_WARNING "timer doesn't work "
"through the IO-APIC - disabling NMI Watchdog!\n");
nmi_watchdog = NMI_NONE;
}
timer_ack = 0;

printk(KERN_INFO "...trying to set up timer as Virtual Wire IRQ...");
apic_printk(APIC_QUIET, KERN_INFO
"...trying to set up timer as Virtual Wire IRQ...\n");

lapic_register_intr(0, vector);
apic_write(APIC_LVT0, APIC_DM_FIXED | vector); /* Fixed mode */
enable_8259A_irq(0);

if (timer_irq_works()) {
printk(" works.\n");
apic_printk(APIC_QUIET, KERN_INFO "..... works.\n");
goto out;
}
disable_8259A_irq(0);
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector);
printk(" failed.\n");
apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n");

printk(KERN_INFO "...trying to set up timer as ExtINT IRQ...");
apic_printk(APIC_QUIET, KERN_INFO
"...trying to set up timer as ExtINT IRQ...\n");

init_8259A(0);
make_8259A_irq(0);
Expand All @@ -2276,12 +2281,12 @@ static inline void __init check_timer(void)
unlock_ExtINT_logic();

if (timer_irq_works()) {
printk(" works.\n");
apic_printk(APIC_QUIET, KERN_INFO "..... works.\n");
goto out;
}
printk(" failed :(.\n");
apic_printk(APIC_QUIET, KERN_INFO "..... failed :(.\n");
panic("IO-APIC + timer doesn't work! Boot with apic=debug and send a "
"report. Then try booting with the 'noapic' option");
"report. Then try booting with the 'noapic' option.\n");
out:
local_irq_restore(flags);
}
Expand Down
40 changes: 22 additions & 18 deletions trunk/arch/x86/kernel/io_apic_64.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1697,8 +1697,9 @@ static inline void __init check_timer(void)
pin2 = ioapic_i8259.pin;
apic2 = ioapic_i8259.apic;

apic_printk(APIC_VERBOSE,KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n",
cfg->vector, apic1, pin1, apic2, pin2);
apic_printk(APIC_QUIET, KERN_INFO "..TIMER: vector=0x%02X "
"apic1=%d pin1=%d apic2=%d pin2=%d\n",
cfg->vector, apic1, pin1, apic2, pin2);

/*
* Some BIOS writers are clueless and report the ExtINTA
Expand Down Expand Up @@ -1736,14 +1737,13 @@ static inline void __init check_timer(void)
}
clear_IO_APIC_pin(apic1, pin1);
if (!no_pin1)
apic_printk(APIC_QUIET,KERN_ERR "..MP-BIOS bug: "
apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: "
"8254 timer not connected to IO-APIC\n");

apic_printk(APIC_VERBOSE,KERN_INFO
"...trying to set up timer (IRQ0) "
"through the 8259A ... ");
apic_printk(APIC_VERBOSE,"\n..... (found apic %d pin %d) ...",
apic2, pin2);
apic_printk(APIC_QUIET, KERN_INFO "...trying to set up timer "
"(IRQ0) through the 8259A ...\n");
apic_printk(APIC_QUIET, KERN_INFO
"..... (found apic %d pin %d) ...\n", apic2, pin2);
/*
* legacy devices should be connected to IO APIC #0
*/
Expand All @@ -1752,7 +1752,7 @@ static inline void __init check_timer(void)
unmask_IO_APIC_irq(0);
enable_8259A_irq(0);
if (timer_irq_works()) {
apic_printk(APIC_VERBOSE," works.\n");
apic_printk(APIC_QUIET, KERN_INFO "....... works.\n");
timer_through_8259 = 1;
if (nmi_watchdog == NMI_IO_APIC) {
disable_8259A_irq(0);
Expand All @@ -1766,29 +1766,32 @@ static inline void __init check_timer(void)
*/
disable_8259A_irq(0);
clear_IO_APIC_pin(apic2, pin2);
apic_printk(APIC_VERBOSE," failed.\n");
apic_printk(APIC_QUIET, KERN_INFO "....... failed.\n");
}

if (nmi_watchdog == NMI_IO_APIC) {
printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n");
apic_printk(APIC_QUIET, KERN_WARNING "timer doesn't work "
"through the IO-APIC - disabling NMI Watchdog!\n");
nmi_watchdog = NMI_NONE;
}

apic_printk(APIC_VERBOSE, KERN_INFO "...trying to set up timer as Virtual Wire IRQ...");
apic_printk(APIC_QUIET, KERN_INFO
"...trying to set up timer as Virtual Wire IRQ...\n");

lapic_register_intr(0);
apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector); /* Fixed mode */
enable_8259A_irq(0);

if (timer_irq_works()) {
apic_printk(APIC_VERBOSE," works.\n");
apic_printk(APIC_QUIET, KERN_INFO "..... works.\n");
goto out;
}
disable_8259A_irq(0);
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector);
apic_printk(APIC_VERBOSE," failed.\n");
apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n");

apic_printk(APIC_VERBOSE, KERN_INFO "...trying to set up timer as ExtINT IRQ...");
apic_printk(APIC_QUIET, KERN_INFO
"...trying to set up timer as ExtINT IRQ...\n");

init_8259A(0);
make_8259A_irq(0);
Expand All @@ -1797,11 +1800,12 @@ static inline void __init check_timer(void)
unlock_ExtINT_logic();

if (timer_irq_works()) {
apic_printk(APIC_VERBOSE," works.\n");
apic_printk(APIC_QUIET, KERN_INFO "..... works.\n");
goto out;
}
apic_printk(APIC_VERBOSE," failed :(.\n");
panic("IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter\n");
apic_printk(APIC_QUIET, KERN_INFO "..... failed :(.\n");
panic("IO-APIC + timer doesn't work! Boot with apic=debug and send a "
"report. Then try booting with the 'noapic' option.\n");
out:
local_irq_restore(flags);
}
Expand Down

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