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Commit 8048977b authored by Tharun Kumar Merugu's avatar Tharun Kumar Merugu Committed by Gerrit - the friendly Code Review server
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msm: ADSPRPC: Add exec permission for hyp_assign_phys 



Add execute permission for hyp_assign_phys for adsp shared
memory region to allow for the memory to be reused by other user
space processes when this is not used by the remote processor.

Change-Id: I4f593584f332f8dc775afb68e6bfae1ea8f803fa
Acked-by: default avatarViswanatham Paduchuri <vpaduchu@qti.qualcomm.com>
Signed-off-by: default avatarTharun Kumar Merugu <mtharu@codeaurora.org>
parent 8069e329

drivers/char/adsprpc.c

+3 −2
Original line number Diff line number Diff line
@@ -319,6 +319,7 @@ static struct fastrpc_channel_ctx gcinfo[NUM_CHANNELS] = { 
		.channel = SMD_APPS_DSPS,

		.link.link_info.edge = "dsps",

		.link.link_info.transport = "smem",

		.vmid = VMID_SSC_Q6,

	},

	{

		.name = "cdsprpc-smd",
@@ -699,7 +700,7 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, unsigned attr, 
		if (vmid) {

			int srcVM[1] = {VMID_HLOS};

			int destVM[2] = {VMID_HLOS, vmid};

			int destVMperm[2] = {PERM_READ | PERM_WRITE,

			int destVMperm[2] = {PERM_READ | PERM_WRITE | PERM_EXEC,

					PERM_READ | PERM_WRITE | PERM_EXEC};



			VERIFY(err, !hyp_assign_phys(map->phys,
@@ -771,7 +772,7 @@ static int fastrpc_buf_alloc(struct fastrpc_file *fl, ssize_t size, 
	if (vmid) {

		int srcVM[1] = {VMID_HLOS};

		int destVM[2] = {VMID_HLOS, vmid};

		int destVMperm[2] = {PERM_READ | PERM_WRITE,

		int destVMperm[2] = {PERM_READ | PERM_WRITE | PERM_EXEC,

					PERM_READ | PERM_WRITE | PERM_EXEC};



		VERIFY(err, !hyp_assign_phys(buf->phys, buf_page_size(size),