Re: [PATCH v3 3/3] via-ide: Also emulate non 100% native mode

2020-03-09 Thread Michael S. Tsirkin
On Mon, Mar 09, 2020 at 09:50:57PM +0100, BALATON Zoltan wrote: > On Mon, 9 Mar 2020, Michael S. Tsirkin wrote: > > On Mon, Mar 09, 2020 at 08:18:13PM +0100, BALATON Zoltan wrote: > > > Some machines operate in "non 100% native mode" where interrupts are > > > fixed at legacy IDE interrupts and som

Re: [PATCH v3 3/3] via-ide: Also emulate non 100% native mode

2020-03-09 Thread BALATON Zoltan
On Mon, 9 Mar 2020, BALATON Zoltan wrote: On Mon, 9 Mar 2020, Michael S. Tsirkin wrote: On Mon, Mar 09, 2020 at 08:18:13PM +0100, BALATON Zoltan wrote: Some machines operate in "non 100% native mode" where interrupts are fixed at legacy IDE interrupts and some guests expect this behaviour witho

Re: [PATCH v3 3/3] via-ide: Also emulate non 100% native mode

2020-03-09 Thread BALATON Zoltan
On Mon, 9 Mar 2020, Michael S. Tsirkin wrote: On Mon, Mar 09, 2020 at 08:18:13PM +0100, BALATON Zoltan wrote: Some machines operate in "non 100% native mode" where interrupts are fixed at legacy IDE interrupts and some guests expect this behaviour without checking based on knowledge about hardwa

Re: [PATCH v3 3/3] via-ide: Also emulate non 100% native mode

2020-03-09 Thread Michael S. Tsirkin
On Mon, Mar 09, 2020 at 08:18:13PM +0100, BALATON Zoltan wrote: > Some machines operate in "non 100% native mode" where interrupts are > fixed at legacy IDE interrupts and some guests expect this behaviour > without checking based on knowledge about hardware. Even Linux has > arch specific workarou

[PATCH v3 3/3] via-ide: Also emulate non 100% native mode

2020-03-09 Thread BALATON Zoltan
Some machines operate in "non 100% native mode" where interrupts are fixed at legacy IDE interrupts and some guests expect this behaviour without checking based on knowledge about hardware. Even Linux has arch specific workarounds for this that are activated on such boards so this needs to be emula