From: Yinghai Lu <yinghai@kernel.org>
To: Suresh Siddha <suresh.b.siddha@intel.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>,
lkml <linux-kernel@vger.kernel.org>,
"stable@kernel.org" <stable@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
"Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
Subject: Re: [PATCH] Make Intel 8-way Xeons boot again
Date: Tue, 12 Jan 2010 11:10:19 -0800 [thread overview]
Message-ID: <86802c441001121110u2f3dcfbpafb0d9c4bb6a4e4d@mail.gmail.com> (raw)
In-Reply-To: <1263246829.2859.537.camel@sbs-t61.sc.intel.com>
if the system can not use logical flat.
should have some bit set in FADT...
static int physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
#ifdef CONFIG_ACPI
/*
* Quirk: some x86_64 machines can only use physical APIC mode
* regardless of how many processors are present (x86_64 ES7000
* is an example).
*/
if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID &&
(acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) {
printk(KERN_DEBUG "system APIC only can use physical flat");
return 1;
}
#endif
return 0;
}
next prev parent reply other threads:[~2010-01-12 19:10 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-09 10:10 Ananth N Mavinakayanahalli
2010-01-09 18:11 ` Linus Torvalds
2010-01-09 22:51 ` Yinghai Lu
2010-01-11 17:38 ` Suresh Siddha
2010-01-09 21:13 ` Yinghai Lu
2010-01-10 2:30 ` Ananth N Mavinakayanahalli
2010-01-10 6:35 ` Yinghai Lu
2010-01-10 10:26 ` Ingo Molnar
2010-01-11 4:53 ` [PATCH] Revert 2fbd07a5f so machines with BSPs phsyical apic id != 0 can boot Ananth N Mavinakayanahalli
2010-01-11 21:39 ` Suresh Siddha
2010-01-11 22:55 ` Linus Torvalds
2010-01-11 23:45 ` Suresh Siddha
2010-01-11 23:51 ` Suresh Siddha
2010-01-12 0:46 ` Linus Torvalds
2010-01-12 0:50 ` Linus Torvalds
2010-01-12 2:27 ` Suresh Siddha
2010-01-14 0:03 ` Yuhong Bao
2010-01-11 21:43 ` [PATCH] Make Intel 8-way Xeons boot again Yinghai Lu
2010-01-11 21:53 ` Suresh Siddha
2010-01-12 19:10 ` Yinghai Lu [this message]
2010-01-12 20:20 ` Suresh Siddha
2010-01-12 21:02 ` H. Peter Anvin
2010-01-12 21:07 ` Suresh Siddha
2010-01-12 22:46 ` Suresh Siddha
2010-01-13 4:42 ` Ananth N Mavinakayanahalli
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