Re: [PATCH v2 2/3] x86: detect PIC aliasing on ports other than 0x[2A][01]

2024-05-09 Thread Jason Andryuk
On 2023-12-18 09:48, Jan Beulich wrote: ... in order to also deny Dom0 access through the alias ports. Without this it is only giving the impression of denying access to both PICs. Unlike for CMOS/RTC, do detection very early, to avoid disturbing normal operation later on. Like for CMOS/RTC a

Re: [PATCH v2 2/3] x86: detect PIC aliasing on ports other than 0x[2A][01]

2024-04-29 Thread Nicola Vetrini
On 2023-12-18 15:48, Jan Beulich wrote: ... in order to also deny Dom0 access through the alias ports. Without this it is only giving the impression of denying access to both PICs. Unlike for CMOS/RTC, do detection very early, to avoid disturbing normal operation later on. Like for CMOS/RTC a

[PATCH v2 2/3] x86: detect PIC aliasing on ports other than 0x[2A][01]

2023-12-18 Thread Jan Beulich
... in order to also deny Dom0 access through the alias ports. Without this it is only giving the impression of denying access to both PICs. Unlike for CMOS/RTC, do detection very early, to avoid disturbing normal operation later on. Like for CMOS/RTC a fundamental assumption of the probing is