Re: [Qemu-devel] [RFC PATCH 0/3] target-arm: Some fixes to page and TLB handling

2014-07-24 Thread Peter Maydell
On 24 July 2014 16:52, Alex Bennée wrote: > I don't think this patch set is mergable as-is because we still > include a bunch of 32 bit ARM boards in the aarch64-softmmu build > which could be using an old enough ARM that has support for 1k page > tables (and may even use them?). We can certainly

[Qemu-devel] [RFC PATCH 0/3] target-arm: Some fixes to page and TLB handling

2014-07-24 Thread Alex Bennée
Hi, While doing some performance analysis on aarch64 system emulation I noticed a fairly high utilisation of cpu_arm_exec and the related find next TB machinery. Peter pointed it this is probably not helped by that fact TARGET_PAGE_BITS was set to 10 (1k pages) which would imply less chaining of T