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| author | Russ Anderson <rja@sgi.com> | 2012-01-18 20:07:54 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-01-26 10:58:27 +0100 |
| commit | 5a51467b146ab7948d2f6812892eac120a30529c (patch) | |
| tree | 595192146cc50778420942e16cc620d0f1489835 | |
| parent | 87f71ae2dd7471c1b4c94100be1f218e91dc64c3 (diff) | |
| download | linux-5a51467b146ab7948d2f6812892eac120a30529c.tar.gz linux-5a51467b146ab7948d2f6812892eac120a30529c.tar.bz2 linux-5a51467b146ab7948d2f6812892eac120a30529c.zip | |
x86/uv: Fix uv_gpa_to_soc_phys_ram() shift
uv_gpa_to_soc_phys_ram() was inadvertently ignoring the
shift values. This fix takes the shift into account.
Signed-off-by: Russ Anderson <rja@sgi.com>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/20120119020753.GA7228@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/include/asm/uv/uv_hub.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index 54a13aaebc40..21f7385badb8 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -318,13 +318,13 @@ uv_gpa_in_mmr_space(unsigned long gpa) /* UV global physical address --> socket phys RAM */ static inline unsigned long uv_gpa_to_soc_phys_ram(unsigned long gpa) { - unsigned long paddr = gpa & uv_hub_info->gpa_mask; + unsigned long paddr; unsigned long remap_base = uv_hub_info->lowmem_remap_base; unsigned long remap_top = uv_hub_info->lowmem_remap_top; gpa = ((gpa << uv_hub_info->m_shift) >> uv_hub_info->m_shift) | ((gpa >> uv_hub_info->n_lshift) << uv_hub_info->m_val); - gpa = gpa & uv_hub_info->gpa_mask; + paddr = gpa & uv_hub_info->gpa_mask; if (paddr >= remap_base && paddr < remap_base + remap_top) paddr -= remap_base; return paddr; |