Re: [PATCH] linux-user: use 'max' instead of 'qemu32' / 'qemu64' by defualt

2022-09-20 Thread Philippe Mathieu-Daudé via
Typo "default" in subject line. On Fri, Aug 26, 2022 at 1:46 PM Daniel P. Berrangé wrote: > > The 'qemu64' CPU model implements the least featureful x86_64 CPU that's > possible. Historically this hasn't been an issue since it was rare for > OS distros to build with a higher mandatory CPU baselin

Re: [PATCH] linux-user: use 'max' instead of 'qemu32' / 'qemu64' by defualt

2022-08-26 Thread Richard Henderson
On 8/26/22 04:39, Daniel P. Berrangé wrote: The 'qemu64' CPU model implements the least featureful x86_64 CPU that's possible. Historically this hasn't been an issue since it was rare for OS distros to build with a higher mandatory CPU baseline. With RHEL-9, however, the entire distro is built f

Re: [PATCH] linux-user: use 'max' instead of 'qemu32' / 'qemu64' by defualt

2022-08-26 Thread Claudio Fontana
On 8/26/22 14:29, Daniel P. Berrangé wrote: > On Fri, Aug 26, 2022 at 01:50:40PM +0200, Claudio Fontana wrote: >> On 8/26/22 13:39, Daniel P. Berrangé wrote: >>> The 'qemu64' CPU model implements the least featureful x86_64 CPU that's >>> possible. Historically this hasn't been an issue since it wa

Re: [PATCH] linux-user: use 'max' instead of 'qemu32' / 'qemu64' by defualt

2022-08-26 Thread Daniel P . Berrangé
On Fri, Aug 26, 2022 at 01:50:40PM +0200, Claudio Fontana wrote: > On 8/26/22 13:39, Daniel P. Berrangé wrote: > > The 'qemu64' CPU model implements the least featureful x86_64 CPU that's > > possible. Historically this hasn't been an issue since it was rare for > > OS distros to build with a highe

Re: [PATCH] linux-user: use 'max' instead of 'qemu32' / 'qemu64' by defualt

2022-08-26 Thread Daniel P . Berrangé
On Fri, Aug 26, 2022 at 01:05:13PM +0100, Richard W.M. Jones wrote: > On Fri, Aug 26, 2022 at 12:39:00PM +0100, Daniel P. Berrangé wrote: > > The 'qemu64' CPU model implements the least featureful x86_64 CPU that's > > possible. Historically this hasn't been an issue since it was rare for > > OS di

Re: [PATCH] linux-user: use 'max' instead of 'qemu32' / 'qemu64' by defualt

2022-08-26 Thread Claudio Fontana
On 8/26/22 13:39, Daniel P. Berrangé wrote: > The 'qemu64' CPU model implements the least featureful x86_64 CPU that's > possible. Historically this hasn't been an issue since it was rare for > OS distros to build with a higher mandatory CPU baseline. > > With RHEL-9, however, the entire distro is

Re: [PATCH] linux-user: use 'max' instead of 'qemu32' / 'qemu64' by defualt

2022-08-26 Thread Richard W.M. Jones
On Fri, Aug 26, 2022 at 12:39:00PM +0100, Daniel P. Berrangé wrote: > The 'qemu64' CPU model implements the least featureful x86_64 CPU that's > possible. Historically this hasn't been an issue since it was rare for > OS distros to build with a higher mandatory CPU baseline. > > With RHEL-9, howev

[PATCH] linux-user: use 'max' instead of 'qemu32' / 'qemu64' by defualt

2022-08-26 Thread Daniel P . Berrangé
The 'qemu64' CPU model implements the least featureful x86_64 CPU that's possible. Historically this hasn't been an issue since it was rare for OS distros to build with a higher mandatory CPU baseline. With RHEL-9, however, the entire distro is built for the x86_64-v2 ABI baseline: https://dev