RE: [PATCH V1 1/1] X86: Probe for PIC and set legacy_pic appropriately

2014-04-11 Thread KY Srinivasan
nonical.com; jasow...@redhat.com; t...@linutronix.de; > jbeul...@suse.com > Subject: Re: [PATCH V1 1/1] X86: Probe for PIC and set legacy_pic > appropriately > > On 04/11/2014 05:50 PM, K. Y. Srinivasan wrote: > > > > + /* > > +* Check to see if we have a P

Re: [PATCH V1 1/1] X86: Probe for PIC and set legacy_pic appropriately

2014-04-11 Thread H. Peter Anvin
On 04/11/2014 05:50 PM, K. Y. Srinivasan wrote: > > + /* > + * Check to see if we have a PIC. > + * Mask all except the cascade and read > + * back the value we just wrote. If we don't > + * have a PIC, we will read 0xff as opposed to the > + * value we wrote. > +

Re: [PATCH V1 1/1] X86: Probe for PIC and set legacy_pic appropriately

2014-04-11 Thread H. Peter Anvin
On 04/11/2014 05:50 PM, K. Y. Srinivasan wrote: + /* + * Check to see if we have a PIC. + * Mask all except the cascade and read + * back the value we just wrote. If we don't + * have a PIC, we will read 0xff as opposed to the + * value we wrote. + */ +

RE: [PATCH V1 1/1] X86: Probe for PIC and set legacy_pic appropriately

2014-04-11 Thread KY Srinivasan
; t...@linutronix.de; jbeul...@suse.com Subject: Re: [PATCH V1 1/1] X86: Probe for PIC and set legacy_pic appropriately On 04/11/2014 05:50 PM, K. Y. Srinivasan wrote: + /* +* Check to see if we have a PIC. +* Mask all except the cascade and read +* back the value we