From 24b70bc0e6c2be8333b3c6bff48b50ca7bd5c389 Mon Sep 17 00:00:00 2001 From: Andrii Sultanov Date: Thu, 23 Jan 2025 08:04:15 +0000 Subject: [PATCH] gnt: Bring accesses to OCaml fields outside of the critical section for stub_gnttab_map_fresh Signed-off-by: Andrii Sultanov --- gnt/gnttab_stubs.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/gnt/gnttab_stubs.c b/gnt/gnttab_stubs.c index 972add8..e41fd12 100644 --- a/gnt/gnttab_stubs.c +++ b/gnt/gnttab_stubs.c @@ -104,12 +104,13 @@ stub_gnttab_map_fresh (value xgh, CAMLparam4 (xgh, reference, domid, writable); CAMLlocal1 (contents); void *map; + xengnttab_handle* xgt = _G(xgh); + uint32_t domid_c = Int_val(domid); + uint32_t ref = Int_val(reference); + int prot = Bool_val (writable) ? PROT_READ | PROT_WRITE : PROT_READ; caml_enter_blocking_section (); - map = xengnttab_map_grant_ref (_G (xgh), Int_val (domid), - Int_val (reference), - Bool_val (writable) ? PROT_READ | - PROT_WRITE : PROT_READ); + map = xengnttab_map_grant_ref (xgt, domid_c, ref, prot); caml_leave_blocking_section (); if (map == NULL)