From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f53.google.com (mail-oi0-f53.google.com [209.85.218.53]) by kanga.kvack.org (Postfix) with ESMTP id E42466B0255 for ; Wed, 5 Aug 2015 17:45:21 -0400 (EDT) Received: by oip136 with SMTP id 136so27676219oip.1 for ; Wed, 05 Aug 2015 14:45:21 -0700 (PDT) Received: from g2t2354.austin.hp.com (g2t2354.austin.hp.com. [15.217.128.53]) by mx.google.com with ESMTPS id s5si3020067obf.24.2015.08.05.14.45.20 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Aug 2015 14:45:21 -0700 (PDT) From: Toshi Kani Subject: [PATCH v3 1/10] x86/vdso32: Define PGTABLE_LEVELS to 32bit VDSO Date: Wed, 5 Aug 2015 15:43:24 -0600 Message-Id: <1438811013-30983-2-git-send-email-toshi.kani@hp.com> In-Reply-To: <1438811013-30983-1-git-send-email-toshi.kani@hp.com> References: <1438811013-30983-1-git-send-email-toshi.kani@hp.com> Sender: owner-linux-mm@kvack.org List-ID: To: hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com Cc: akpm@linux-foundation.org, bp@alien8.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org, x86@kernel.org, jgross@suse.com, konrad.wilk@oracle.com, elliott@hp.com, Toshi Kani In case of CONFIG_X86_64, vdso32/vclock_gettime.c fakes a 32bit kernel configuration by re-defining it to CONFIG_X86_32. However, it does not re-define CONFIG_PGTABLE_LEVELS leaving it as 4 levels. Fix it by re-defining CONFIG_PGTABLE_LEVELS to 2 as X86_PAE is not set. Signed-off-by: Toshi Kani Cc: Juergen Gross Cc: Thomas Gleixner Cc: H. Peter Anvin Cc: Ingo Molnar Cc: Borislav Petkov --- arch/x86/entry/vdso/vdso32/vclock_gettime.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/entry/vdso/vdso32/vclock_gettime.c b/arch/x86/entry/vdso/vdso32/vclock_gettime.c index 175cc72..87a86e0 100644 --- a/arch/x86/entry/vdso/vdso32/vclock_gettime.c +++ b/arch/x86/entry/vdso/vdso32/vclock_gettime.c @@ -14,11 +14,13 @@ */ #undef CONFIG_64BIT #undef CONFIG_X86_64 +#undef CONFIG_PGTABLE_LEVELS #undef CONFIG_ILLEGAL_POINTER_VALUE #undef CONFIG_SPARSEMEM_VMEMMAP #undef CONFIG_NR_CPUS #define CONFIG_X86_32 1 +#define CONFIG_PGTABLE_LEVELS 2 #define CONFIG_PAGE_OFFSET 0 #define CONFIG_ILLEGAL_POINTER_VALUE 0 #define CONFIG_NR_CPUS 1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org