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x86: APIC: Remove apic_write_around(); use alternatives, merge fix

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On Fri, Jul 18, 2008 at 02:03:48PM -0700, Ingo Molnar wrote:
>
> * Yinghai Lu <yhlu.kernel@gmail.com> wrote:
>
> > > git merge tip/x86/x2apic
> > CONFLICT (content): Merge conflict in arch/x86/kernel/Makefile
> > CONFLICT (content): Merge conflict in arch/x86/kernel/paravirt.c
> > CONFLICT (content): Merge conflict in arch/x86/kernel/smpboot.c
> > CONFLICT (content): Merge conflict in arch/x86/kernel/vmi_32.c
> > CONFLICT (content): Merge conflict in arch/x86/xen/enlighten.c
> > CONFLICT (content): Merge conflict in include/asm-x86/apic.h
> > CONFLICT (content): Merge conflict in include/asm-x86/paravirt.h
>
> that's due to the changes in tip/x86/apic and in tip/x86/uv.
>
> ok, i've just merged x86/apic into x86/x2apic and x86/uv as well, and
> pushed out the result.
>
> Note: it's a first raw merge and completely untested. It will now merge
> cleanly into tip/master. There are probably a few details missing.

Ingo, thanks for doing this. While I was testing my merge changes, you posted
yours... anyhow we need this piece, which is missing from your merge.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Zachary Amsden <zach@vmware.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Suresh Siddha 2008-07-18 15:58:35 -07:00 committed by Ingo Molnar
parent 9553e11325
commit f586bf7df9
2 changed files with 2 additions and 5 deletions
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5
arch/x86/kernel/apic_32.c
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@ -174,8 +174,8 @@ u32 safe_xapic_wait_icr_idle(void)
void xapic_icr_write(u32 low, u32 id)
{
apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(id));
apic_write_around(APIC_ICR, low);
apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(id));
apic_write(APIC_ICR, low);
}
u64 xapic_icr_read(void)
@ -191,7 +191,6 @@ u64 xapic_icr_read(void)
static struct apic_ops xapic_ops = {
.read = native_apic_mem_read,
.write = native_apic_mem_write,
.write_atomic = native_apic_mem_write_atomic,
.icr_read = xapic_icr_read,
.icr_write = xapic_icr_write,
.wait_icr_idle = xapic_wait_icr_idle,

2
arch/x86/kernel/apic_64.c
View File

@ -167,7 +167,6 @@ u64 xapic_icr_read(void)
static struct apic_ops xapic_ops = {
.read = native_apic_mem_read,
.write = native_apic_mem_write,
.write_atomic = native_apic_mem_write_atomic,
.icr_read = xapic_icr_read,
.icr_write = xapic_icr_write,
.wait_icr_idle = xapic_wait_icr_idle,
@ -206,7 +205,6 @@ u64 x2apic_icr_read(void)
static struct apic_ops x2apic_ops = {
.read = native_apic_msr_read,
.write = native_apic_msr_write,
.write_atomic = native_apic_msr_write,
.icr_read = x2apic_icr_read,
.icr_write = x2apic_icr_write,
.wait_icr_idle = x2apic_wait_icr_idle,