> -----Original Message----- > From: Dan Carpenter [mailto:dan.carpen...@oracle.com] > Sent: Tuesday, July 8, 2014 17:27 PM > To: Dexuan Cui > Cc: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org; driverdev- > de...@linuxdriverproject.org; plagn...@jcrosoft.com; > tomi.valkei...@ti.com; linux-fb...@vger.kernel.org; o...@aepfle.de; > a...@canonical.com; jasow...@redhat.com; Haiyang Zhang > Subject: Re: [PATCH v2] video: hyperv: hyperv_fb: refresh the VM screen by > force on VM panic > > Don't use likely/unlikely unless you have benchmark numbers to show that > it makes a speed up. > > regards, > dan carpenter
Hi Dan, Here the variable 'synchronous_fb' is only set to true when the system panics. So before the system panics, it's always 'unlikely'. :-) Thanks, -- Dexuan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
