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Date: Tue, 9 Dec 2014 14:39:08 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] x86/platform tree changes for v3.19
Linus,
Please pull the latest x86-platform-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-platform-for-linus
# HEAD: b980dcf25d0ee1f0f8c7b6afc0e715a2f5da5ec4 x86: numachip: APIC driver cleanups
A handful of numachip APIC driver updates/fixes.
Thanks,
Ingo
------------------>
Daniel J Blueman (3):
x86: numachip: Fix 16-bit APIC ID truncation
x86: numachip: Elide self-IPI ICR polling
x86: numachip: APIC driver cleanups
arch/x86/kernel/apic/apic_numachip.c | 26 +++++---------------------
arch/x86/pci/numachip.c | 2 +-
2 files changed, 6 insertions(+), 22 deletions(-)
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
index 4128b5fcb559..c2fd21fed002 100644
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -40,7 +40,7 @@ static unsigned int get_apic_id(unsigned long x)
unsigned int id;
rdmsrl(MSR_FAM10H_NODE_ID, value);
- id = ((x >> 24) & 0xffU) | ((value << 2) & 0x3f00U);
+ id = ((x >> 24) & 0xffU) | ((value << 2) & 0xff00U);
return id;
}
@@ -145,7 +145,7 @@ static void numachip_send_IPI_all(int vector)
static void numachip_send_IPI_self(int vector)
{
- __default_send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL);
+ apic_write(APIC_SELF_IPI, vector);
}
static int __init numachip_probe(void)
@@ -153,20 +153,8 @@ static int __init numachip_probe(void)
return apic == &apic_numachip;
}
-static void __init map_csrs(void)
-{
- printk(KERN_INFO "NumaChip: Mapping local CSR space (%016llx - %016llx)\n",
- NUMACHIP_LCSR_BASE, NUMACHIP_LCSR_BASE + NUMACHIP_LCSR_SIZE - 1);
- init_extra_mapping_uc(NUMACHIP_LCSR_BASE, NUMACHIP_LCSR_SIZE);
-
- printk(KERN_INFO "NumaChip: Mapping global CSR space (%016llx - %016llx)\n",
- NUMACHIP_GCSR_BASE, NUMACHIP_GCSR_BASE + NUMACHIP_GCSR_SIZE - 1);
- init_extra_mapping_uc(NUMACHIP_GCSR_BASE, NUMACHIP_GCSR_SIZE);
-}
-
static void fixup_cpu_id(struct cpuinfo_x86 *c, int node)
{
-
if (c->phys_proc_id != node) {
c->phys_proc_id = node;
per_cpu(cpu_llc_id, smp_processor_id()) = node;
@@ -175,19 +163,15 @@ static void fixup_cpu_id(struct cpuinfo_x86 *c, int node)
static int __init numachip_system_init(void)
{
- unsigned int val;
-
if (!numachip_system)
return 0;
+ init_extra_mapping_uc(NUMACHIP_LCSR_BASE, NUMACHIP_LCSR_SIZE);
+ init_extra_mapping_uc(NUMACHIP_GCSR_BASE, NUMACHIP_GCSR_SIZE);
+
x86_cpuinit.fixup_cpu_id = fixup_cpu_id;
x86_init.pci.arch_init = pci_numachip_init;
- map_csrs();
-
- val = read_lcsr(CSR_G0_NODE_IDS);
- printk(KERN_INFO "NumaChip: Local NodeID = %08x\n", val);
-
return 0;
}
early_initcall(numachip_system_init);
diff --git a/arch/x86/pci/numachip.c b/arch/x86/pci/numachip.c
index 7307d9d12d15..2e565e65c893 100644
--- a/arch/x86/pci/numachip.c
+++ b/arch/x86/pci/numachip.c
@@ -103,7 +103,7 @@ static int pci_mmcfg_write_numachip(unsigned int seg, unsigned int bus,
return 0;
}
-const struct pci_raw_ops pci_mmcfg_numachip = {
+static const struct pci_raw_ops pci_mmcfg_numachip = {
.read = pci_mmcfg_read_numachip,
.write = pci_mmcfg_write_numachip,
};
--
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