search for: tlb

Displaying 20 results from an estimated 971 matches for "tlb".

[Xen-ia64-devel] flush_tlb_mask and grant_table on ia64
2006 Apr 21
4
[Xen-ia64-devel] flush_tlb_mask and grant_table on ia64
Hi, on IA64 flushing the whole TLB is very expensive: this is a cpu tlb flush and clearing 16MB of memory (virtual tlb). However, flushing an address range is rather cheap. Flushing an address range on every processors is also cheap (no IPI). Unfortunatly Xen common code flushes the whole TLB after unmapping grant reference. C...
[PATCH][SVM] tlb control enable
2006 Feb 08
2
[PATCH][SVM] tlb control enable
Attached patch for svm will enable a tlb flush for each vmrun. Applies cleanly to 8781:dcc2beb8a1d2 Signed-off-by: Tom Woller <thomas.woller@amd.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
[RFC PATCH 0/2] ASID: Flush by ASID
2011 Jan 11
6
[RFC PATCH 0/2] ASID: Flush by ASID
Future AMD SVM supports a new feature called flush by ASID. The idea is to allow CPU to flush TLBs associated with the ASID assigned to guest VM. So hypervisor doesn''t have to reassign a new ASID in order to flush guest''s VCPU. Please review it. Thanks, Wei Signed-off-by: Wei Huang <wei.huang2@amd.com> Signed-off-by: Wei Wang <wei.wang2@amd.com> -- Advanced Mic...
[PATCH 10/14] arm: implement ARMv7 tlb ops.
2012 Feb 13
0
[PATCH 10/14] arm: implement ARMv7 tlb ops.
arm: implement ARMv7 tlb ops. xen/arch/arm/xen/Makefile | 1 + xen/arch/arm/xen/cache-v7.S | 17 +++++------------ xen/arch/arm/xen/domain_build.c | 6 +++--- xen/arch/arm/xen/tlb-v7.S | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 60 insertions(+), 15 deletions(-) Signe...
[PATCH v3 0/9] x86: Concurrent TLB flushes
2019 Jul 19
5
[PATCH v3 0/9] x86: Concurrent TLB flushes
[ Cover-letter is identical to v2, including benchmark results, excluding the change log. ] Currently, local and remote TLB flushes are not performed concurrently, which introduces unnecessary overhead - each INVLPG can take 100s of cycles. This patch-set allows TLB flushes to be run concurrently: first request the remote CPUs to initiate the flush, then run it locally, and finally wait for the remote CPUs to finish the...
page->tlbflush_timestamp
2013 Oct 11
2
page->tlbflush_timestamp
Hi, page->tlbflush_timestamp is used to filter and flush the TLB whenever type change of page happens. But why does xen flush TLB upon the type change? And we already know that guest kernel will flush the TLB in order to make the page table modifications take effect. Thanks! Best regards, Sam _________...
[PATCH 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
2019 Jun 13
4
[PATCH 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
To improve TLB shootdown performance, flush the remote and local TLBs concurrently. Introduce flush_tlb_multi() that does so. The current flush_tlb_others() interface is kept, since paravirtual interfaces need to be adapted first before it can be removed. This is left for future work. In such PV environments, TLB...
[PATCH 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
2019 Jun 13
4
[PATCH 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
To improve TLB shootdown performance, flush the remote and local TLBs concurrently. Introduce flush_tlb_multi() that does so. The current flush_tlb_others() interface is kept, since paravirtual interfaces need to be adapted first before it can be removed. This is left for future work. In such PV environments, TLB...
[PATCH v2 0/9] x86: Concurrent TLB flushes
2019 Jul 02
2
[PATCH v2 0/9] x86: Concurrent TLB flushes
Currently, local and remote TLB flushes are not performed concurrently, which introduces unnecessary overhead - each INVLPG can take 100s of cycles. This patch-set allows TLB flushes to be run concurrently: first request the remote CPUs to initiate the flush, then run it locally, and finally wait for the remote CPUs to finish the...
[RFC PATCH 5/6] x86/mm/tlb: Flush remote and local TLBs concurrently
2019 May 25
3
[RFC PATCH 5/6] x86/mm/tlb: Flush remote and local TLBs concurrently
To improve TLB shootdown performance, flush the remote and local TLBs concurrently. Introduce flush_tlb_multi() that does so. The current flush_tlb_others() interface is kept, since paravirtual interfaces need to be adapted first before it can be removed. This is left for future work. In such PV environments, TLB...
[RFC PATCH 5/6] x86/mm/tlb: Flush remote and local TLBs concurrently
2019 May 25
3
[RFC PATCH 5/6] x86/mm/tlb: Flush remote and local TLBs concurrently
To improve TLB shootdown performance, flush the remote and local TLBs concurrently. Introduce flush_tlb_multi() that does so. The current flush_tlb_others() interface is kept, since paravirtual interfaces need to be adapted first before it can be removed. This is left for future work. In such PV environments, TLB...
[PATCH v3 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
2019 Jul 19
0
[PATCH v3 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
To improve TLB shootdown performance, flush the remote and local TLBs concurrently. Introduce flush_tlb_multi() that does so. Introduce paravirtual versions of flush_tlb_multi() for KVM, Xen and hyper-v (Xen and hyper-v are only compile-tested). While the updated smp infrastructure is capable of running a functi...
[PATCH 35/35] x86: Don't panic if can not alloc buffer for swiotlb
2013 Jan 24
1
[PATCH 35/35] x86: Don't panic if can not alloc buffer for swiotlb
Normal boot path on system with iommu support: swiotlb buffer will be allocated early at first and then try to initialize iommu, if iommu for intel or AMD could setup properly, swiotlb buffer will be freed. The early allocating is with bootmem, and could panic when we try to use kdump with buffer above 4G only, or with memmap to limit mem under 4G. fo...
[PATCH 35/35] x86: Don't panic if can not alloc buffer for swiotlb
2013 Jan 24
1
[PATCH 35/35] x86: Don't panic if can not alloc buffer for swiotlb
Normal boot path on system with iommu support: swiotlb buffer will be allocated early at first and then try to initialize iommu, if iommu for intel or AMD could setup properly, swiotlb buffer will be freed. The early allocating is with bootmem, and could panic when we try to use kdump with buffer above 4G only, or with memmap to limit mem under 4G. fo...
Install application under WINE 20020228
2002 Mar 01
4
Install application under WINE 20020228
I tried to install PAF and got the following: fixme:ole:CoSetState (0x653c3f80),stub! fixme:ole:MkParseDisplayName (0x403d39e0, L"StdOle32.tlb", 0x405a6624, 0x46000000): stub. fixme:ole:CoTreatAsClass ({8c3c1b17-e59d-11d2-b40b-00a024b9dddd},{22d84ec7-e201-4432-b3ed-a9dca3604594}) fixme:ole:CoSetState ((nil)),stub! fixme:ole:CoMarshalInterface Failed to Marshal the interface, 80070057? fixme:ole:_LocalServerThread CoMarshalInterface f...
[RFC PATCH v2 04/12] x86/mm/tlb: Flush remote and local TLBs concurrently
2019 May 31
2
[RFC PATCH v2 04/12] x86/mm/tlb: Flush remote and local TLBs concurrently
To improve TLB shootdown performance, flush the remote and local TLBs concurrently. Introduce flush_tlb_multi() that does so. The current flush_tlb_others() interface is kept, since paravirtual interfaces need to be adapted first before it can be removed. This is left for future work. In such PV environments, TLB...
[RFC PATCH v2 04/12] x86/mm/tlb: Flush remote and local TLBs concurrently
2019 May 31
2
[RFC PATCH v2 04/12] x86/mm/tlb: Flush remote and local TLBs concurrently
To improve TLB shootdown performance, flush the remote and local TLBs concurrently. Introduce flush_tlb_multi() that does so. The current flush_tlb_others() interface is kept, since paravirtual interfaces need to be adapted first before it can be removed. This is left for future work. In such PV environments, TLB...
[PATCH] drm/nv50: decode PGRAPH status registers on TLB flush fail
2012 Nov 06
1
[PATCH] drm/nv50: decode PGRAPH status registers on TLB flush fail
Now it outputs: nouveau E[ PGRAPH][0000:02:00.0] PGRAPH TLB flush idle timeout fail nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_STATUS: BUSY DISPATCH VFETCH CCACHE_UNK4 STRMOUT_GSCHED_UNK5 UNK14XX UNK1CXX CLIPID ZCULL ENG2D UNK34XX TPRAST TPROP ROP (0x011fde03) nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_VSTATUS: CCACHE (0x00145b4d) (0x0000002d) ENG2D ROP (0x0034...
[PATCH v2 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
2019 Jul 02
0
[PATCH v2 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
To improve TLB shootdown performance, flush the remote and local TLBs concurrently. Introduce flush_tlb_multi() that does so. Introduce paravirtual versions of flush_tlb_multi() for KVM, Xen and hyper-v (Xen and hyper-v are only compile-tested). While the updated smp infrastructure is capable of running a functi...
[PATCH 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
2019 Jun 25
0
[PATCH 4/9] x86/mm/tlb: Flush remote and local TLBs concurrently
On 6/12/19 11:48 PM, Nadav Amit wrote: > To improve TLB shootdown performance, flush the remote and local TLBs > concurrently. Introduce flush_tlb_multi() that does so. The current > flush_tlb_others() interface is kept, since paravirtual interfaces need > to be adapted first before it can be removed. This is left for future > work. In such...