Se ha detectado una nueva vulnerabilidad a través de DMA (Direct Memory Access). Este tipo de ataques por DMA no son nada nuevos, ya se conocen desde hace años, pero ahora un grupo de investigadores ...

Linux founder and main developer Linus Torvalds has finally taken a stand on disputes that have been simmering for two weeks and made them clear: He will override the resistance to the DMA interfaces ...

The three main components of this are: (1) dma-buf, representing a sg_table and exposed to userspace as a file descriptor to allow passing between devices, (2) fence, which provides a mechanism to ...

The ongoing disagreements surrounding the use of DMA mapping codes within the Linux Kernel have taken a significant turn as Christoph Hellwig, a prominent figure in the debate, has chosen to withdraw ...

The Linux kernel is intelligent enough to recognize the chipset and IDE controllers on the motherboard and subsequently enable DMA for IDE devices like hard disks and CD ROMs. In some rare cases the ...

// or a debug solution that can be helpful. // This test was derived from devmem2.c. #define DDR_BASE_ADDRESS 0x20000000 #define DDR_BASE_WRITE_ADDRESS 0x30000000 #define XGPIO_CHAN_OFFSET 8 #define ...