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Commit 63da88dd authored by Michael Ellerman's avatar Michael Ellerman
Browse files

powerpc/vdso: Remove unused debug code



It's in the git history if we ever need it back.

Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 60e065f7
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+0 −44
Original line number Diff line number Diff line
@@ -140,50 +140,6 @@ struct lib64_elfinfo
};


#ifdef __DEBUG
static void dump_one_vdso_page(struct page *pg, struct page *upg)
{
	printk("kpg: %p (c:%d,f:%08lx)", __va(page_to_pfn(pg) << PAGE_SHIFT),
	       page_count(pg),
	       pg->flags);
	if (upg && !IS_ERR(upg) /* && pg != upg*/) {
		printk(" upg: %p (c:%d,f:%08lx)", __va(page_to_pfn(upg)
						       << PAGE_SHIFT),
		       page_count(upg),
		       upg->flags);
	}
	printk("\n");
}

static void dump_vdso_pages(struct vm_area_struct * vma)
{
	int i;

	if (!vma || is_32bit_task()) {
		printk("vDSO32 @ %016lx:\n", (unsigned long)vdso32_kbase);
		for (i=0; i<vdso32_pages; i++) {
			struct page *pg = virt_to_page(vdso32_kbase +
						       i*PAGE_SIZE);
			struct page *upg = (vma && vma->vm_mm) ?
				follow_page(vma, vma->vm_start + i*PAGE_SIZE, 0)
				: NULL;
			dump_one_vdso_page(pg, upg);
		}
	}
	if (!vma || !is_32bit_task()) {
		printk("vDSO64 @ %016lx:\n", (unsigned long)vdso64_kbase);
		for (i=0; i<vdso64_pages; i++) {
			struct page *pg = virt_to_page(vdso64_kbase +
						       i*PAGE_SIZE);
			struct page *upg = (vma && vma->vm_mm) ?
				follow_page(vma, vma->vm_start + i*PAGE_SIZE, 0)
				: NULL;
			dump_one_vdso_page(pg, upg);
		}
	}
}
#endif /* DEBUG */

/*
 * This is called from binfmt_elf, we create the special vma for the
 * vDSO and insert it into the mm struct tree