From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + x86-uv-introduce-uv_gpa_is_mmr.patch added to -mm tree Date: Tue, 24 Nov 2009 11:41:34 -0800 Message-ID: <200911241941.nAOJfY9S010362@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:41264 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758101AbZKXTsi (ORCPT ); Tue, 24 Nov 2009 14:48:38 -0500 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: holt@sgi.com, akpm@linux-foundation.org, mingo@elte.hu, steiner@sgi.com The patch titled x86: uv: introduce uv_gpa_is_mmr has been added to the -mm tree. Its filename is x86-uv-introduce-uv_gpa_is_mmr.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: x86: uv: introduce uv_gpa_is_mmr From: Robin Holt Provide a mechanism for determining if a global physical address is pointing to a UV hub MMR. To: Andrew Morton Signed-off-by: Robin Holt Cc: Jack Steiner Cc: Ingo Molnar Signed-off-by: Andrew Morton --- arch/x86/include/asm/uv/uv_hub.h | 7 +++++++ 1 file changed, 7 insertions(+) diff -puN arch/x86/include/asm/uv/uv_hub.h~x86-uv-introduce-uv_gpa_is_mmr arch/x86/include/asm/uv/uv_hub.h --- a/arch/x86/include/asm/uv/uv_hub.h~x86-uv-introduce-uv_gpa_is_mmr +++ a/arch/x86/include/asm/uv/uv_hub.h @@ -232,6 +232,13 @@ static inline unsigned long uv_gpa(void return uv_soc_phys_ram_to_gpa(__pa(v)); } +/* Top two bits indicate the requested address is in MMR space. */ +static inline int +uv_gpa_in_mmr_space(unsigned long gpa) +{ + return (gpa >> 62) == 0x3UL; +} + /* UV global physical address --> socket phys RAM */ static inline unsigned long uv_gpa_to_soc_phys_ram(unsigned long gpa) { _ Patches currently in -mm which might be from holt@sgi.com are x86-uv-introduce-a-means-to-translate-from-gpa-socket_paddr.patch x86-uv-xpc-needs-to-provide-an-abstraction-for-uv_gpa.patch x86-uv-introduce-uv_gpa_is_mmr.patch x86-uv-implement-a-gru_read_gpa-kernel-function.patch x86-uv-update-xpc-to-handle-updated-bios-interface.patch x86-uv-xpc-null-deref-when-mesq-becomes-empty.patch x86-uv-xpc_make_first_contact-hang-due-to-not-accepting-active-state.patch x86-uv-xpc-receive-message-reuse-triggers-invalid-bug_on.patch