diff options
Diffstat (limited to 'arch/arm64/kvm/hyp_trace.c')
| -rw-r--r-- | arch/arm64/kvm/hyp_trace.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm64/kvm/hyp_trace.c b/arch/arm64/kvm/hyp_trace.c index 8b7f2bf2fba8..c4b3ee552131 100644 --- a/arch/arm64/kvm/hyp_trace.c +++ b/arch/arm64/kvm/hyp_trace.c @@ -189,7 +189,7 @@ static void hyp_trace_buffer_unshare_hyp(struct hyp_trace_buffer *trace_buffer, if (cpu > last_cpu) break; - __share_page(rb_desc->meta_va); + __unshare_page(rb_desc->meta_va); for (p = 0; p < rb_desc->nr_page_va; p++) __unshare_page(rb_desc->page_va[p]); } @@ -212,14 +212,15 @@ static int hyp_trace_buffer_share_hyp(struct hyp_trace_buffer *trace_buffer) } if (ret) { - for (p--; p >= 0; p--) + while (--p >= 0) __unshare_page(rb_desc->page_va[p]); + __unshare_page(rb_desc->meta_va); break; } } if (ret) - hyp_trace_buffer_unshare_hyp(trace_buffer, cpu--); + hyp_trace_buffer_unshare_hyp(trace_buffer, --cpu); return ret; } @@ -248,6 +249,7 @@ static struct trace_buffer_desc *hyp_trace_load(unsigned long size, void *priv) goto err_free_desc; trace_buffer->desc = desc; + trace_buffer->desc_size = desc_size; ret = hyp_trace_buffer_alloc_bpages_backing(trace_buffer, size); if (ret) @@ -297,6 +299,7 @@ static void hyp_trace_unload(struct trace_buffer_desc *desc, void *priv) hyp_trace_buffer_free_bpages_backing(trace_buffer); free_pages_exact(trace_buffer->desc, trace_buffer->desc_size); trace_buffer->desc = NULL; + trace_buffer->desc_size = 0; } static int hyp_trace_enable_tracing(bool enable, void *priv) |