[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] libxc: convert flask interfaces over to hypercall buffers
# HG changeset patch # User Ian Campbell <ian.campbell@xxxxxxxxxx> # Date 1287756891 -3600 # Node ID f0caf8b361c4093f4f9efd32b24be303563dffa4 # Parent f18c32d6be8c2833b7346f2c06c81855d1c7c6a7 libxc: convert flask interfaces over to hypercall buffers Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx> Signed-off-by: Ian Jackson <ian.jackson.citrix.com> --- tools/libxc/xc_flask.c | 17 +++++++++-------- 1 files changed, 9 insertions(+), 8 deletions(-) diff -r f18c32d6be8c -r f0caf8b361c4 tools/libxc/xc_flask.c --- a/tools/libxc/xc_flask.c Fri Oct 22 15:14:51 2010 +0100 +++ b/tools/libxc/xc_flask.c Fri Oct 22 15:14:51 2010 +0100 @@ -40,15 +40,16 @@ int xc_flask_op(xc_interface *xch, flask { int ret = -1; DECLARE_HYPERCALL; + DECLARE_HYPERCALL_BOUNCE(op, sizeof(*op), XC_HYPERCALL_BUFFER_BOUNCE_BOTH); + + if ( xc_hypercall_bounce_pre(xch, op) ) + { + PERROR("Could not bounce memory for flask op hypercall"); + goto out; + } hypercall.op = __HYPERVISOR_xsm_op; - hypercall.arg[0] = (unsigned long)op; - - if ( lock_pages(xch, op, sizeof(*op)) != 0 ) - { - PERROR("Could not lock memory for Xen hypercall"); - goto out; - } + hypercall.arg[0] = HYPERCALL_BUFFER_AS_ARG(op); if ( (ret = do_xen_hypercall(xch, &hypercall)) < 0 ) { @@ -56,7 +57,7 @@ int xc_flask_op(xc_interface *xch, flask fprintf(stderr, "XSM operation failed!\n"); } - unlock_pages(xch, op, sizeof(*op)); + xc_hypercall_bounce_post(xch, op); out: return ret; _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |