From: Peter Zijlstra <peterz@infradead.org>
To: Juergen Gross <jgross@suse.com>
Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
konrad.wilk@oracle.com, boris.ostrovsky@oracle.com,
david.vrabel@citrix.com, mingo@redhat.com,
Douglas_Warzecha@dell.com, pali.rohar@gmail.com,
jdelvare@suse.com, linux@roeck-us.net, tglx@linutronix.de,
hpa@zytor.com, x86@kernel.org
Subject: Re: [PATCH 0/6] Support calling functions on dedicated physical cpu
Date: Fri, 11 Mar 2016 13:25:14 +0100 [thread overview]
Message-ID: <20160311122514.GA6344@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1457697574-6710-1-git-send-email-jgross@suse.com>
On Fri, Mar 11, 2016 at 12:59:28PM +0100, Juergen Gross wrote:
> Some hardware (e.g. Dell Studio laptops) require special functions to
> be called on physical cpu 0 in order to avoid occasional hangs. When
> running as dom0 under Xen this could be achieved only via special boot
> parameters (vcpu pinning) limiting the hypervisor in it's scheduling
> decisions.
So instead of telling Dell to get their act together and fix their damn
firmware, we're going to add the most horrid gunk to the kernel? How
does that make sense?
next prev parent reply other threads:[~2016-03-11 12:25 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-11 11:59 [PATCH 0/6] Support calling functions on dedicated physical cpu Juergen Gross
2016-03-11 11:59 ` [PATCH 1/6] xen: sync xen header Juergen Gross
2016-03-11 11:59 ` [PATCH 2/6] sched: add function to execute a function synchronously on a physical cpu Juergen Gross
2016-03-11 12:19 ` Peter Zijlstra
2016-03-11 12:42 ` Peter Zijlstra
2016-03-11 12:48 ` Juergen Gross
2016-03-11 12:57 ` Peter Zijlstra
2016-03-11 13:07 ` Juergen Gross
2016-03-11 12:43 ` Juergen Gross
2016-03-11 12:45 ` Peter Zijlstra
2016-03-11 11:59 ` [PATCH 3/6] dcdbas: make use of call_sync_on_phys_cpu() Juergen Gross
2016-03-11 11:59 ` [PATCH 4/6] hwmon: use call_sync_on_phys_cpu() for dell-smm i8k Juergen Gross
2016-03-11 11:59 ` [PATCH 5/6] virt, sched: add cpu pinning to call_sync_on_phys_cpu() Juergen Gross
2016-03-11 11:59 ` [PATCH 6/6] xen: add xen_pin_vcpu() to support calling functions on a dedicated pcpu Juergen Gross
2016-03-11 12:25 ` Peter Zijlstra [this message]
2016-03-11 12:28 ` [PATCH 0/6] Support calling functions on dedicated physical cpu Pali Rohár
2016-03-11 13:15 ` One Thousand Gnomes
2016-03-11 13:19 ` Peter Zijlstra
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