evie/android_kernel_oneplus_msm8998
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msm: ADSPRPC: Map pages with execute permissions

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Allow for mappings to have execute permissions in Stage 2 SMMU
as dynamic shared object may get loaded and executed from these
pages on the remote processor.

Change-Id: I3d7fb2829defd8efc362253866587652f35e316b
Signed-off-by: Sathish Ambley <sathishambley@codeaurora.org>
This commit is contained in:
Sathish Ambley 2016-05-16 22:32:01 -07:00 • committed by Kyle Yan
parent 3f00167fe4
commit f9a4aed8c1
1 changed files with 2 additions and 2 deletions
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4
drivers/char/adsprpc.c
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@ -598,7 +598,7 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, unsigned attr,
int srcVM[1] = {VMID_HLOS}; int srcVM[1] = {VMID_HLOS};
int destVM[2] = {VMID_HLOS, vmid}; int destVM[2] = {VMID_HLOS, vmid};
int destVMperm[2] = {PERM_READ | PERM_WRITE, int destVMperm[2] = {PERM_READ | PERM_WRITE,
PERM_READ | PERM_WRITE }; PERM_READ | PERM_WRITE | PERM_EXEC};
VERIFY(err, !hyp_assign_phys(map->phys, VERIFY(err, !hyp_assign_phys(map->phys,
buf_page_size(map->size), buf_page_size(map->size),
@ -670,7 +670,7 @@ static int fastrpc_buf_alloc(struct fastrpc_file *fl, ssize_t size,
int srcVM[1] = {VMID_HLOS}; int srcVM[1] = {VMID_HLOS};
int destVM[2] = {VMID_HLOS, vmid}; int destVM[2] = {VMID_HLOS, vmid};
int destVMperm[2] = {PERM_READ | PERM_WRITE, int destVMperm[2] = {PERM_READ | PERM_WRITE,
PERM_READ | PERM_WRITE}; PERM_READ | PERM_WRITE | PERM_EXEC};
VERIFY(err, !hyp_assign_phys(buf->phys, buf_page_size(size), VERIFY(err, !hyp_assign_phys(buf->phys, buf_page_size(size),
srcVM, 1, destVM, destVMperm, 2)); srcVM, 1, destVM, destVMperm, 2));