From: Jack Steiner <steiner@sgi.com>
To: mingo@elte.hu, tglx@linutronix.de
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] - UV fix for size of hub mappings
Date: Thu, 25 Sep 2008 07:52:10 -0500 [thread overview]
Message-ID: <20080925125210.GA22404@sgi.com> (raw)
Fix the size of the mappings of UV hub registers. Size must
be a function of the maximum node number within the SSI.
Signed-off-by: Jack Steiner <steiner@sgi.com>
---
arch/x86/kernel/genx2apic_uv_x.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
Index: linux/arch/x86/kernel/genx2apic_uv_x.c
===================================================================
--- linux.orig/arch/x86/kernel/genx2apic_uv_x.c 2008-08-17 01:21:43.000000000 -0500
+++ linux/arch/x86/kernel/genx2apic_uv_x.c 2008-08-17 07:24:38.000000000 -0500
@@ -286,12 +286,13 @@ static __init void map_low_mmrs(void)
enum map_type {map_wb, map_uc};
-static __init void map_high(char *id, unsigned long base, int shift, enum map_type map_type)
+static __init void map_high(char *id, unsigned long base, int shift,
+ int max_pnode, enum map_type map_type)
{
unsigned long bytes, paddr;
paddr = base << shift;
- bytes = (1UL << shift);
+ bytes = (1UL << shift) * (max_pnode + 1);
printk(KERN_INFO "UV: Map %s_HI 0x%lx - 0x%lx\n", id, paddr,
paddr + bytes);
if (map_type == map_uc)
@@ -307,7 +308,7 @@ static __init void map_gru_high(int max_
gru.v = uv_read_local_mmr(UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR);
if (gru.s.enable)
- map_high("GRU", gru.s.base, shift, map_wb);
+ map_high("GRU", gru.s.base, shift, max_pnode, map_wb);
}
static __init void map_config_high(int max_pnode)
@@ -317,7 +318,7 @@ static __init void map_config_high(int m
cfg.v = uv_read_local_mmr(UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR);
if (cfg.s.enable)
- map_high("CONFIG", cfg.s.base, shift, map_uc);
+ map_high("CONFIG", cfg.s.base, shift, max_pnode, map_uc);
}
static __init void map_mmr_high(int max_pnode)
@@ -327,7 +328,7 @@ static __init void map_mmr_high(int max_
mmr.v = uv_read_local_mmr(UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR);
if (mmr.s.enable)
- map_high("MMR", mmr.s.base, shift, map_uc);
+ map_high("MMR", mmr.s.base, shift, max_pnode, map_uc);
}
static __init void map_mmioh_high(int max_pnode)
@@ -337,7 +338,7 @@ static __init void map_mmioh_high(int ma
mmioh.v = uv_read_local_mmr(UVH_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR);
if (mmioh.s.enable)
- map_high("MMIOH", mmioh.s.base, shift, map_uc);
+ map_high("MMIOH", mmioh.s.base, shift, max_pnode, map_uc);
}
static __init void uv_rtc_init(void)
next reply other threads:[~2008-09-25 12:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-25 12:52 Jack Steiner [this message]
2008-09-27 17:42 ` Ingo Molnar
2008-09-27 19:56 ` Jack Steiner
2008-09-27 20:02 ` Ingo Molnar
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