Re: [Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-15 Thread Mark Cave-Ayland
Blue Swirl wrote: Guest time can be unreliable, it could also indicate that Linux executes a lot more timer interrupts. Could you retest and measure the wall clock time? I think the C flag change should only increase performance. The next commit may have negative effects because more work is

Re: [Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-10 Thread Mark Cave-Ayland
Blue Swirl wrote: Thanks a lot, with this patch my tests passed! I applied the combined patch. Yes, I definitely see an improvement with this patch - at least my Debian lenny SPARC boot cd doesn't randomly kernel panic any more. It looks as if it now just can't find /init which could just

Re: [Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-10 Thread Blue Swirl
On 5/10/10, Mark Cave-Ayland mark.cave-ayl...@siriusit.co.uk wrote: Blue Swirl wrote: Thanks a lot, with this patch my tests passed! I applied the combined patch. Yes, I definitely see an improvement with this patch - at least my Debian lenny SPARC boot cd doesn't randomly kernel panic

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-09 Thread Blue Swirl
On 5/8/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Thu, May 6, 2010 at 10:51 PM, Blue Swirl blauwir...@gmail.com wrote: On 5/5/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Wed, May 5, 2010 at 12:21 AM, Blue Swirl blauwir...@gmail.com wrote: On 5/3/10, Igor

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-08 Thread Igor Kovalenko
On Thu, May 6, 2010 at 10:51 PM, Blue Swirl blauwir...@gmail.com wrote: On 5/5/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Wed, May 5, 2010 at 12:21 AM, Blue Swirl blauwir...@gmail.com wrote:   On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote:   On Mon, May 3, 2010 at

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-06 Thread Blue Swirl
On 5/5/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Wed, May 5, 2010 at 12:21 AM, Blue Swirl blauwir...@gmail.com wrote: On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Mon, May 3, 2010 at 11:54 PM, Blue Swirl blauwir...@gmail.com wrote: On 5/3/10, Igor

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-05 Thread Blue Swirl
On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Mon, May 3, 2010 at 11:54 PM, Blue Swirl blauwir...@gmail.com wrote: On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Mon, May 3, 2010 at 11:24 PM, Blue Swirl blauwir...@gmail.com wrote: On 5/3/10, Igor

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-05 Thread Igor Kovalenko
On Wed, May 5, 2010 at 12:21 AM, Blue Swirl blauwir...@gmail.com wrote: On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Mon, May 3, 2010 at 11:54 PM, Blue Swirl blauwir...@gmail.com wrote:   On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote:   On Mon, May 3, 2010 at

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-03 Thread Blue Swirl
On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: Hi! There is an issue with lazy conditional codes evaluation where we return from trap handler with mismatching conditionals. I seldom reproduce it here when dragging qemu window while machine is working through silo

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-03 Thread Igor Kovalenko
On Mon, May 3, 2010 at 11:24 PM, Blue Swirl blauwir...@gmail.com wrote: On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: Hi!  There is an issue with lazy conditional codes evaluation where  we return from trap handler with mismatching conditionals.  I seldom reproduce it here

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-03 Thread Blue Swirl
On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Mon, May 3, 2010 at 11:24 PM, Blue Swirl blauwir...@gmail.com wrote: On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: Hi! There is an issue with lazy conditional codes evaluation where we return from trap

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-03 Thread Igor Kovalenko
On Mon, May 3, 2010 at 11:54 PM, Blue Swirl blauwir...@gmail.com wrote: On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote: On Mon, May 3, 2010 at 11:24 PM, Blue Swirl blauwir...@gmail.com wrote:   On 5/3/10, Igor Kovalenko igor.v.kovale...@gmail.com wrote:   Hi!      There is an