diff options
Diffstat (limited to 'nuttx/ChangeLog')
| -rw-r--r-- | nuttx/ChangeLog | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog index af5ab7502..03c32cfba 100644 --- a/nuttx/ChangeLog +++ b/nuttx/ChangeLog @@ -918,7 +918,12 @@ * include/nuttx/mtd.h. Added a simple interface definition to support some FLASH, EEPROM, NVRAM, etc. devices. * driver/mtd/m25px.c. Added a driver for SPI based FLASH parts M25P64 and M25P128. - * confgs/stm3210e-eval/usbserial. Add a USB serial configuration for the STM32. + * configs/stm3210e-eval/usbserial. Add a USB serial configuration for the STM32. This is for test and development; the STM32 has not yet been checked in. + * arch/arm/src/cortexm3/up_switchcontext.S & up_svccall.c. Made an improvement + to context switching. There are two types of context switches: interrupt + context switches and background/user context switches. This change should + improve the performance of those background/user context switches by a factor + of about two. |