diff options
| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-06-28 22:47:35 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-08-23 11:33:28 -0400 |
| commit | 3699aad047e16a5775b1d051425f422a9384270d (patch) | |
| tree | f82e25885f31eb84d5c62348af99c9f7d0c0d7ab /arch/x86/xen | |
| parent | 51faaf2b0d5c7f44d82964f0c70b1c4e44d4e633 (diff) | |
xen/mmu: The xen_setup_kernel_pagetable doesn't need to return anything.
We don't need to return the new PGD - as we do not use it.
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 5 | ||||
| -rw-r--r-- | arch/x86/xen/mmu.c | 10 | ||||
| -rw-r--r-- | arch/x86/xen/xen-ops.h | 2 |
3 files changed, 4 insertions, 13 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index ff962d4b821e..d87a038a0484 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1258,7 +1258,6 @@ asmlinkage void __init xen_start_kernel(void) { struct physdev_set_iopl set_iopl; int rc; - pgd_t *pgd; if (!xen_start_info) return; @@ -1350,8 +1349,6 @@ asmlinkage void __init xen_start_kernel(void) acpi_numa = -1; #endif - pgd = (pgd_t *)xen_start_info->pt_base; - /* Don't do the full vcpu_info placement stuff until we have a possible map and a non-dummy shared_info. */ per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0]; @@ -1360,7 +1357,7 @@ asmlinkage void __init xen_start_kernel(void) early_boot_irqs_disabled = true; xen_raw_console_write("mapping kernel into physical memory\n"); - pgd = xen_setup_kernel_pagetable(pgd, xen_start_info->nr_pages); + xen_setup_kernel_pagetable((pgd_t *)xen_start_info->pt_base, xen_start_info->nr_pages); /* Allocate and initialize top and mid mfn levels for p2m structure */ xen_build_mfn_list_list(); diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 3a73785631ce..4ac21a4c6da4 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1719,8 +1719,7 @@ static void convert_pfn_mfn(void *v) * of the physical mapping once some sort of allocator has been set * up. */ -pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd, - unsigned long max_pfn) +void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) { pud_t *l3; pmd_t *l2; @@ -1781,8 +1780,6 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd, memblock_reserve(__pa(xen_start_info->pt_base), xen_start_info->nr_pt_frames * PAGE_SIZE); - - return pgd; } #else /* !CONFIG_X86_64 */ static RESERVE_BRK_ARRAY(pmd_t, initial_kernel_pmd, PTRS_PER_PMD); @@ -1825,8 +1822,7 @@ static void __init xen_write_cr3_init(unsigned long cr3) pv_mmu_ops.write_cr3 = &xen_write_cr3; } -pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd, - unsigned long max_pfn) +void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) { pmd_t *kernel_pmd; @@ -1858,8 +1854,6 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd, memblock_reserve(__pa(xen_start_info->pt_base), xen_start_info->nr_pt_frames * PAGE_SIZE); - - return initial_page_table; } #endif /* CONFIG_X86_64 */ diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 202d4c150154..2230f57a6ebe 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -27,7 +27,7 @@ void xen_setup_mfn_list_list(void); void xen_setup_shared_info(void); void xen_build_mfn_list_list(void); void xen_setup_machphys_mapping(void); -pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn); +void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn); void xen_reserve_top(void); extern unsigned long xen_max_p2m_pfn; |