evie/android_kernel_oneplus_msm8998
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Merge "msm: ADSPRPC: Use msm_ion_do_cache_op to flush userspace buffers"

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Linux Build Service Account 2017-08-24 14:01:18 -07:00 • committed by Gerrit - the friendly Code Review server
commit 99956cfb73
1 changed files with 37 additions and 17 deletions
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48
drivers/char/adsprpc.c
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@ -1256,9 +1256,18 @@ static int get_args(uint32_t kernel, struct smq_invoke_ctx *ctx)
if (map && (map->attr & FASTRPC_ATTR_COHERENT))
continue;
if (rpra[i].buf.len && ctx->overps[oix]->mstart)
if (rpra[i].buf.len && ctx->overps[oix]->mstart) {
if (map && map->handle)
msm_ion_do_cache_op(ctx->fl->apps->client,
map->handle,
uint64_to_ptr(rpra[i].buf.pv),
rpra[i].buf.len,
ION_IOC_CLEAN_INV_CACHES);
else
dmac_flush_range(uint64_to_ptr(rpra[i].buf.pv),
uint64_to_ptr(rpra[i].buf.pv + rpra[i].buf.len));
uint64_to_ptr(rpra[i].buf.pv
+ rpra[i].buf.len));
}
}
PERF_END);
@ -1269,11 +1278,6 @@ static int get_args(uint32_t kernel, struct smq_invoke_ctx *ctx)
rpra[inh + i].h = ctx->lpra[inh + i].h;
}
if (!ctx->fl->sctx->smmu.coherent) {
PERF(ctx->fl->profile, ctx->fl->perf.flush,
dmac_flush_range((char *)rpra, (char *)rpra + ctx->used);
PERF_END);
}
bail:
return err;
}
@ -1337,15 +1341,34 @@ static void inv_args_pre(struct smq_invoke_ctx *ctx)
if (buf_page_start(ptr_to_uint64((void *)rpra)) ==
buf_page_start(rpra[i].buf.pv))
continue;
if (!IS_CACHE_ALIGNED((uintptr_t)uint64_to_ptr(rpra[i].buf.pv)))
dmac_flush_range(uint64_to_ptr(rpra[i].buf.pv),
(char *)(uint64_to_ptr(rpra[i].buf.pv + 1)));
if (!IS_CACHE_ALIGNED((uintptr_t)
uint64_to_ptr(rpra[i].buf.pv))) {
if (map && map->handle)
msm_ion_do_cache_op(ctx->fl->apps->client,
map->handle,
uint64_to_ptr(rpra[i].buf.pv),
sizeof(uintptr_t),
ION_IOC_CLEAN_INV_CACHES);
else
dmac_flush_range(
uint64_to_ptr(rpra[i].buf.pv), (char *)
uint64_to_ptr(rpra[i].buf.pv + 1));
}
end = (uintptr_t)uint64_to_ptr(rpra[i].buf.pv +
rpra[i].buf.len);
if (!IS_CACHE_ALIGNED(end))
if (!IS_CACHE_ALIGNED(end)) {
if (map && map->handle)
msm_ion_do_cache_op(ctx->fl->apps->client,
map->handle,
uint64_to_ptr(end),
sizeof(uintptr_t),
ION_IOC_CLEAN_INV_CACHES);
else
dmac_flush_range((char *)end,
(char *)end + 1);
}
}
}
static void inv_args(struct smq_invoke_ctx *ctx)
@ -1353,7 +1376,6 @@ static void inv_args(struct smq_invoke_ctx *ctx)
int i, inbufs, outbufs;
uint32_t sc = ctx->sc;
remote_arg64_t *rpra = ctx->rpra;
int used = ctx->used;
int inv = 0;
inbufs = REMOTE_SCALARS_INBUFS(sc);
@ -1386,8 +1408,6 @@ static void inv_args(struct smq_invoke_ctx *ctx)
+ rpra[i].buf.len));
}
if (inv || REMOTE_SCALARS_OUTHANDLES(sc))
dmac_inv_range(rpra, (char *)rpra + used);
}
static int fastrpc_invoke_send(struct smq_invoke_ctx *ctx,