From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Graf Subject: Re: [PATCH] KVM: PPC: Add generic hpte management functions Date: Tue, 29 Jun 2010 15:06:20 +0200 Message-ID: <4C29EFCC.3030303@suse.de> References: <1277507817-626-1-git-send-email-agraf@suse.de> <1277507817-626-2-git-send-email-agraf@suse.de> <4C285D1C.5060508@redhat.com> <20417D40-9345-485B-9201-8B3722B7457F@suse.de> <4C286770.6010204@redhat.com> <4C29ED94.6060904@suse.de> <4C29EF8A.4070508@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linuxppc-dev , KVM list , kvm-ppc@vger.kernel.org To: Avi Kivity Return-path: In-Reply-To: <4C29EF8A.4070508@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org List-Id: kvm.vger.kernel.org Avi Kivity wrote: > On 06/29/2010 03:56 PM, Alexander Graf wrote: >> Avi Kivity wrote: >> >>> On 06/28/2010 11:55 AM, Alexander Graf wrote: >>> >>>> >>>>>> + >>>>>> +static inline u64 kvmppc_mmu_hash_pte(u64 eaddr) { >>>>>> + return hash_64(eaddr>> PTE_SIZE, HPTEG_HASH_BITS_PTE); >>>>>> +} >>>>>> + >>>>>> +static inline u64 kvmppc_mmu_hash_vpte(u64 vpage) { >>>>>> + return hash_64(vpage& 0xfffffffffULL, HPTEG_HASH_BITS_VPTE); >>>>>> +} >>>>>> + >>>>>> +static inline u64 kvmppc_mmu_hash_vpte_long(u64 vpage) { >>>>>> + return hash_64((vpage& 0xffffff000ULL)>> 12, >>>>>> + HPTEG_HASH_BITS_VPTE_LONG); >>>>>> +} >>>>>> >>>>>> >>>>>> >>>>> Still with the wierd coding style? >>>>> >>>>> >>>> Not sure what's going on there. My editor displays it normally. Weird. >>>> >>>> >>> Try hitting 'save'. >>> >> hexdump -C on the respective section in the exact patch file I submitted >> above shows: >> >> 00000a80 75 72 6e 20 68 61 73 68 5f 36 34 28 65 61 64 64 |urn >> hash_64(eadd| >> 00000a90 72 20 3e 3e 20 50 54 45 5f 53 49 5a 45 2c 20 48 |r>> >> PTE_SIZE, H| >> >> >> Maybe your mail client breaks it? >> > > The list archives too: > > http://www.mail-archive.com/kvm@vger.kernel.org/msg37093.html > > Looks like a cache coherency bug. What processor are you using? Are we looking at the same link? Looks good to me there. Alex