Re: [U-Boot] common, env: optimize boottime

On Thu, Dec 19, 2013 at 01:45:04PM +0100, Heiko Schocher wrote:

when creating the hashtable, for each environmentvariable getenv(ENV_CALLBACK_VAR) and getenv(ENV_FLAGS_VAR) is called, which costs at this point a lot of time. So call this two getenv() calls only once.

Boottime on the ids8313 board without this patch:

2013-12-19 13:38:22,894: NAND: 128 MiB 2013-12-19 13:38:27,659: In: serial (~4.8 sec)

Bootime with this patch on the ids8313 board:

2013-12-19 13:40:25,332: NAND: 128 MiB 2013-12-19 13:40:25,546: In: serial (~0.2 sec)

Signed-off-by: Heiko Schocher hs@denx.de Cc: Tom Rini trini@ti.com Cc: Joe Hershberger joe.hershberger@ni.com Cc: Wolfgang Denk wd@denx.de

Applied to u-boot/master, thanks!