[Xen-devel] [PATCH v2 0/6] x86: fixes/improvements for scratch cpumask

2020-02-17 Thread Roger Pau Monne
Hello, Commit: 5500d265a2a8fa63d60c08beb549de8ec82ff7a5 x86/smp: use APIC ALLBUT destination shorthand when possible Introduced a bogus usage of the scratch cpumask: it was used in a function that could be called from interrupt context, and hence using the scratch cpumask there is not safe. Patc

Re: [Xen-devel] [PATCH v2 0/6] x86: fixes/improvements for scratch cpumask

2020-02-17 Thread Jürgen Groß
On 17.02.20 19:43, Roger Pau Monne wrote: Hello, Commit: 5500d265a2a8fa63d60c08beb549de8ec82ff7a5 x86/smp: use APIC ALLBUT destination shorthand when possible Introduced a bogus usage of the scratch cpumask: it was used in a function that could be called from interrupt context, and hence using

Re: [Xen-devel] [PATCH v2 0/6] x86: fixes/improvements for scratch cpumask

2020-02-18 Thread Roger Pau Monné
On Tue, Feb 18, 2020 at 08:40:58AM +0100, Jürgen Groß wrote: > On 17.02.20 19:43, Roger Pau Monne wrote: > > Hello, > > > > Commit: > > > > 5500d265a2a8fa63d60c08beb549de8ec82ff7a5 > > x86/smp: use APIC ALLBUT destination shorthand when possible > > > > Introduced a bogus usage of the scratch cp

Re: [Xen-devel] [PATCH v2 0/6] x86: fixes/improvements for scratch cpumask

2020-02-18 Thread Andrew Cooper
On 18/02/2020 07:40, Jürgen Groß wrote: > On 17.02.20 19:43, Roger Pau Monne wrote: >> Hello, >> >> Commit: >> >> 5500d265a2a8fa63d60c08beb549de8ec82ff7a5 >> x86/smp: use APIC ALLBUT destination shorthand when possible >> >> Introduced a bogus usage of the scratch cpumask: it was used in a >> funct

Re: [Xen-devel] [PATCH v2 0/6] x86: fixes/improvements for scratch cpumask

2020-02-18 Thread Jürgen Groß
On 18.02.20 11:15, Roger Pau Monné wrote: On Tue, Feb 18, 2020 at 08:40:58AM +0100, Jürgen Groß wrote: On 17.02.20 19:43, Roger Pau Monne wrote: Hello, Commit: 5500d265a2a8fa63d60c08beb549de8ec82ff7a5 x86/smp: use APIC ALLBUT destination shorthand when possible Introduced a bogus usage of th

Re: [Xen-devel] [PATCH v2 0/6] x86: fixes/improvements for scratch cpumask

2020-02-18 Thread Jürgen Groß
On 18.02.20 11:26, Andrew Cooper wrote: On 18/02/2020 07:40, Jürgen Groß wrote: On 17.02.20 19:43, Roger Pau Monne wrote: Hello, Commit: 5500d265a2a8fa63d60c08beb549de8ec82ff7a5 x86/smp: use APIC ALLBUT destination shorthand when possible Introduced a bogus usage of the scratch cpumask: it w