Messages in this thread | | | Subject | Re: [PATCH v2] ARM: vfp: Always save VFP state in vfp_pm_suspend | From | Catalin Marinas <> | Date | Tue, 15 Feb 2011 16:51:19 +0000 |
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On Mon, 2011-02-14 at 22:55 +0000, Colin Cross wrote: > vfp_pm_suspend should save the VFP state any time there is > a last_VFP_context. If it only saves when the VFP is enabled, > the state can get lost when, on a UP system: > Thread 1 uses the VFP > Context switch occurs to thread 2, VFP is disabled but the > VFP context is not saved to allow lazy save and restore > Thread 2 initiates suspend > vfp_pm_suspend is called with the VFP disabled, but the > context has not been saved. > > Modify vfp_pm_suspend to save the VFP context whenever > last_VFP_context is set. > > Cc: Catalin Marinas <catalin.marinas@arm.com> > Signed-off-by: Colin Cross <ccross@android.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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