From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-pci@vger.kernel.org,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>
Subject: [PATCH 3/7] x86: fix alloc_mptable
Date: Wed, 06 May 2009 10:07:07 -0700 [thread overview]
Message-ID: <4A01C3BB.1000609@kernel.org> (raw)
In-Reply-To: <4A01C35C.7060207@kernel.org>
fix the condition checking.
[ Impact: make alloc_mptable working ]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
arch/x86/kernel/mpparse.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
Index: linux-2.6/arch/x86/kernel/mpparse.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/mpparse.c
+++ linux-2.6/arch/x86/kernel/mpparse.c
@@ -873,21 +873,24 @@ inline void __init check_irq_src(struct
static int check_slot(unsigned long mpc_new_phys, unsigned long mpc_new_length,
int count)
{
+ int ret = 0;
+
if (!mpc_new_phys) {
- pr_info("No spare slots, try to append...take your risk, "
+ pr_warning("No spare slots, try to append...take your risk, "
"new mpc_length %x\n", count);
} else {
- if (count <= mpc_new_length)
+ if (count <= mpc_new_length) {
pr_info("No spare slots, try to append..., "
"new mpc_length %x\n", count);
- else {
+ ret = 1;
+ } else {
pr_err("mpc_new_length %lx is too small\n",
mpc_new_length);
- return -1;
+ ret = -1;
}
}
- return 0;
+ return ret;
}
static int __init replace_intsrc_all(struct mpc_table *mpc,
@@ -946,7 +949,7 @@ static int __init replace_intsrc_all(st
} else {
struct mpc_intsrc *m = (struct mpc_intsrc *)mpt;
count += sizeof(struct mpc_intsrc);
- if (!check_slot(mpc_new_phys, mpc_new_length, count))
+ if (check_slot(mpc_new_phys, mpc_new_length, count) < 0)
goto out;
assign_to_mpc_intsrc(&mp_irqs[i], m);
mpc->length = count;
next prev parent reply other threads:[~2009-05-06 17:07 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-06 17:05 [PATCH 1/7] x86/acpi: remove compress irq trick for 32bit Yinghai Lu
2009-05-06 17:06 ` [PATCH 2/7] x86/acpi: calling mp_config_acpi_gsi in mp_register_gsi -v2 Yinghai Lu
2009-05-14 16:20 ` Len Brown
2009-05-14 17:43 ` Yinghai Lu
2009-05-06 17:07 ` Yinghai Lu [this message]
2009-05-11 8:22 ` [PATCH 3/7] x86: fix alloc_mptable Ingo Molnar
2009-05-06 17:07 ` [PATCH 4/7] x86/acpi: move pin_programmed bit map to io_apic.c Yinghai Lu
2009-05-06 17:08 ` [PATCH 5/7] x86/pci: add 4 more return param in IO_APIC_get_PCI_irq_vector Yinghai Lu
2009-05-07 14:10 ` Ingo Molnar
2009-05-11 8:28 ` Ingo Molnar
2009-05-11 19:40 ` Yinghai Lu
2009-05-11 21:37 ` Ingo Molnar
2009-05-11 22:55 ` [PATCH] x86: introduce io_apic_irq_attr -v2 Yinghai Lu
2009-05-12 10:32 ` Ingo Molnar
2009-05-12 15:17 ` Yinghai Lu
2009-05-12 18:02 ` Yinghai Lu
2009-05-11 9:05 ` [PATCH 5/7] x86/pci: add 4 more return param in IO_APIC_get_PCI_irq_vector Ingo Molnar
2009-05-06 17:08 ` [PATCH 6/7] x86/acpi: move setup io apic routing out of ACPI macro scope Yinghai Lu
2009-05-06 17:10 ` [PATCH 7/7] x86/pci: update pirq_enable_irq to setup io apic routing -v2 Yinghai Lu
2009-05-07 14:12 ` Ingo Molnar
2009-05-07 16:52 ` Jesse Barnes
2009-05-11 7:49 ` Ingo Molnar
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