diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2008-05-18 11:54:43 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-18 11:54:43 +0200 |
commit | b4ef290d7c3abd1bf8cefcf8def359537fda7f31 (patch) | |
tree | f3e270923fa36c773eee3bb1f9981aab1711d938 /arch/powerpc/mm/slb_low.S | |
parent | 77b52b4c5c66175553ee59eb43f74366f1e54bde (diff) | |
parent | f26a3988917913b3d11b2bd741601a2c64ab9204 (diff) |
Merge branch 'linus' into x86/pat
Diffstat (limited to 'arch/powerpc/mm/slb_low.S')
-rw-r--r-- | arch/powerpc/mm/slb_low.S | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S index 657f6b37e9df..bc44dc4b5c67 100644 --- a/arch/powerpc/mm/slb_low.S +++ b/arch/powerpc/mm/slb_low.S @@ -47,8 +47,7 @@ _GLOBAL(slb_allocate_realmode) * it to VSID 0, which is reserved as a bad VSID - one which * will never have any pages in it. */ - /* Check if hitting the linear mapping of the vmalloc/ioremap - * kernel space + /* Check if hitting the linear mapping or some other kernel space */ bne cr7,1f @@ -62,7 +61,18 @@ BEGIN_FTR_SECTION END_FTR_SECTION_IFCLR(CPU_FTR_1T_SEGMENT) b slb_finish_load_1T -1: /* vmalloc/ioremap mapping encoding bits, the "li" instructions below +1: +#ifdef CONFIG_SPARSEMEM_VMEMMAP + /* Check virtual memmap region. To be patches at kernel boot */ + cmpldi cr0,r9,0xf + bne 1f +_GLOBAL(slb_miss_kernel_load_vmemmap) + li r11,0 + b 6f +1: +#endif /* CONFIG_SPARSEMEM_VMEMMAP */ + + /* vmalloc/ioremap mapping encoding bits, the "li" instructions below * will be patched by the kernel at boot */ BEGIN_FTR_SECTION |