> -----Original Message----- > From: Dan Carpenter [mailto:dan.carpenter@xxxxxxxxxx] > Sent: Tuesday, July 8, 2014 17:27 PM > To: Dexuan Cui > Cc: gregkh@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; driverdev- > devel@xxxxxxxxxxxxxxxxxxxxxx; plagnioj@xxxxxxxxxxxx; > tomi.valkeinen@xxxxxx; linux-fbdev@xxxxxxxxxxxxxxx; olaf@xxxxxxxxx; > apw@xxxxxxxxxxxxx; jasowang@xxxxxxxxxx; 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 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
