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Commit 553154d0 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "msm: adsprpc: Donate 5MB of DMA memory for Unsigned process"

parents 844bc64f 1be85e55

drivers/char/adsprpc.c

+8 −2
Original line number Diff line number Diff line
@@ -3360,6 +3360,7 @@ static int fastrpc_init_create_dynamic_process(struct fastrpc_file *fl, 
	remote_arg_t ra[6];

	int fds[6];

	unsigned int gid = 0, one_mb = 1024*1024;

	unsigned int dsp_userpd_memlen = 3 * one_mb;

	struct fastrpc_buf *init_mem;



	struct {
@@ -3443,8 +3444,13 @@ static int fastrpc_init_create_dynamic_process(struct fastrpc_file *fl, 
		locked = 0;

	}



	/* Allocate DMA buffer in kernel for donating to remote process */

	memlen = ALIGN(max(3*one_mb, init->filelen * 4), one_mb);

	/* Allocate DMA buffer in kernel for donating to remote process

	 * Unsigned PD requires additional memory because of the

	 * additional static heap initialized within the process.

	 */

	if (uproc->attrs & FASTRPC_MODE_UNSIGNED_MODULE)

		dsp_userpd_memlen += 2*one_mb;

	memlen = ALIGN(max(dsp_userpd_memlen, init->filelen * 4), one_mb);

	imem_dma_attr = DMA_ATTR_EXEC_MAPPING |

					DMA_ATTR_DELAYED_UNMAP |

					DMA_ATTR_NO_KERNEL_MAPPING;