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Date: Mon, 12 Jan 2015 06:05:07 +0100 From: Juergen Gross <jgross@...e.com> To: linux-kernel@...r.kernel.org, xen-devel@...ts.xensource.com, konrad.wilk@...cle.com, david.vrabel@...rix.com, boris.ostrovsky@...cle.com, jbeulich@...e.com Cc: Juergen Gross <jgross@...e.com> Subject: [Patch V2 1/4] xen: correct error for building p2m list on 32 bits In xen_rebuild_p2m_list() for large areas of invalid or identity mapped memory the pmd entries on 32 bit systems are initialized wrong. Correct this error. Suggested-by: Boris Ostrovsky <boris.ostrovsky@...cle.com> Signed-off-by: Juergen Gross <jgross@...e.com> --- arch/x86/xen/p2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index d9660a5..36ae094 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -379,7 +379,7 @@ static void __init xen_rebuild_p2m_list(unsigned long *p2m) p2m_missing_pte : p2m_identity_pte; for (i = 0; i < PMDS_PER_MID_PAGE; i++) { pmdp = populate_extra_pmd( - (unsigned long)(p2m + pfn + i * PTRS_PER_PTE)); + (unsigned long)(p2m + pfn) + i * PMD_SIZE); set_pmd(pmdp, __pmd(__pa(ptep) | _KERNPG_TABLE)); } } -- 2.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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