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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 21/21] xen: more substitutions
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
More substitutions in this patch, not as obvious as the ones in the
previous patch.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Cc: keir@xxxxxxx
Cc: JBeulich@xxxxxxxx
---
xen/arch/x86/mm.c | 12 +++++++++---
xen/arch/x86/oprofile/backtrace.c | 4 +++-
xen/arch/x86/platform_hypercall.c | 8 ++++++--
xen/arch/x86/x86_64/cpu_idle.c | 4 +++-
xen/arch/x86/x86_64/cpufreq.c | 4 +++-
xen/arch/x86/x86_64/platform_hypercall.c | 1 +
xen/common/compat/multicall.c | 1 +
7 files changed, 26 insertions(+), 8 deletions(-)
diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index 9a828de..f9a41fd 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -2913,7 +2913,9 @@ long do_mmuext_op(
{
cpumask_t pmask;
- if ( unlikely(vcpumask_to_pcpumask(d, op.arg2.vcpumask, &pmask)) )
+ if ( unlikely(vcpumask_to_pcpumask(d,
+ guest_handle_to_param(op.arg2.vcpumask,
const_void),
+ &pmask)) )
{
okay = 0;
break;
@@ -4195,6 +4197,7 @@ static int handle_iomem_range(unsigned long s, unsigned
long e, void *p)
if ( s > ctxt->s )
{
e820entry_t ent;
+ XEN_GUEST_HANDLE_PARAM(e820entry_t) buffer_t;
XEN_GUEST_HANDLE(e820entry_t) buffer;
if ( ctxt->n + 1 >= ctxt->map.nr_entries )
@@ -4202,7 +4205,8 @@ static int handle_iomem_range(unsigned long s, unsigned
long e, void *p)
ent.addr = (uint64_t)ctxt->s << PAGE_SHIFT;
ent.size = (uint64_t)(s - ctxt->s) << PAGE_SHIFT;
ent.type = E820_RESERVED;
- buffer = guest_handle_cast(ctxt->map.buffer, e820entry_t);
+ buffer_t = guest_handle_cast(ctxt->map.buffer, e820entry_t);
+ buffer = guest_handle_from_param(buffer_t, e820entry_t);
if ( __copy_to_guest_offset(buffer, ctxt->n, &ent, 1) )
return -EFAULT;
ctxt->n++;
@@ -4499,6 +4503,7 @@ long arch_memory_op(int op, XEN_GUEST_HANDLE_PARAM(void)
arg)
{
struct memory_map_context ctxt;
XEN_GUEST_HANDLE(e820entry_t) buffer;
+ XEN_GUEST_HANDLE_PARAM(e820entry_t) buffer_t;
unsigned int i;
if ( !IS_PRIV(current->domain) )
@@ -4513,7 +4518,8 @@ long arch_memory_op(int op, XEN_GUEST_HANDLE_PARAM(void)
arg)
if ( ctxt.map.nr_entries < e820.nr_map + 1 )
return -EINVAL;
- buffer = guest_handle_cast(ctxt.map.buffer, e820entry_t);
+ buffer_t = guest_handle_cast(ctxt.map.buffer, e820entry_t);
+ buffer = guest_handle_from_param(buffer_t, e820entry_t);
if ( !guest_handle_okay(buffer, ctxt.map.nr_entries) )
return -EFAULT;
diff --git a/xen/arch/x86/oprofile/backtrace.c
b/xen/arch/x86/oprofile/backtrace.c
index 433f881..6924385 100644
--- a/xen/arch/x86/oprofile/backtrace.c
+++ b/xen/arch/x86/oprofile/backtrace.c
@@ -74,8 +74,10 @@ dump_guest_backtrace(struct vcpu *vcpu, const struct
frame_head *head,
}
else
{
- XEN_GUEST_HANDLE(const_frame_head_t) guest_head =
+ XEN_GUEST_HANDLE(const_frame_head_t) guest_head;
+ XEN_GUEST_HANDLE_PARAM(const_frame_head_t) guest_head_t =
const_guest_handle_from_ptr(head, frame_head_t);
+ guest_head = guest_handle_from_param(guest_head_t, const_frame_head_t);
/* Also check accessibility of one struct frame_head beyond */
if (!guest_handle_okay(guest_head, 2))
diff --git a/xen/arch/x86/platform_hypercall.c
b/xen/arch/x86/platform_hypercall.c
index 7a7325f..a3b5a6b 100644
--- a/xen/arch/x86/platform_hypercall.c
+++ b/xen/arch/x86/platform_hypercall.c
@@ -186,7 +186,9 @@ ret_t
do_platform_op(XEN_GUEST_HANDLE_PARAM(xen_platform_op_t) u_xenpf_op)
}
}
- ret = microcode_update(data, op->u.microcode.length);
+ ret = microcode_update(
+ guest_handle_to_param(data, const_void),
+ op->u.microcode.length);
spin_unlock(&vcpu_alloc_lock);
}
break;
@@ -454,7 +456,9 @@ ret_t
do_platform_op(XEN_GUEST_HANDLE_PARAM(xen_platform_op_t) u_xenpf_op)
XEN_GUEST_HANDLE(uint32) pdc;
guest_from_compat_handle(pdc, op->u.set_pminfo.u.pdc);
- ret = acpi_set_pdc_bits(op->u.set_pminfo.id, pdc);
+ ret = acpi_set_pdc_bits(
+ op->u.set_pminfo.id,
+ guest_handle_to_param(pdc, uint32));
}
break;
diff --git a/xen/arch/x86/x86_64/cpu_idle.c b/xen/arch/x86/x86_64/cpu_idle.c
index 3e7422f..1cdaf96 100644
--- a/xen/arch/x86/x86_64/cpu_idle.c
+++ b/xen/arch/x86/x86_64/cpu_idle.c
@@ -57,10 +57,12 @@ static int copy_from_compat_state(xen_processor_cx_t
*xen_state,
{
#define XLAT_processor_cx_HNDL_dp(_d_, _s_) do { \
XEN_GUEST_HANDLE(compat_processor_csd_t) dps; \
+ XEN_GUEST_HANDLE_PARAM(xen_processor_csd_t) dps_t; \
if ( unlikely(!compat_handle_okay((_s_)->dp, (_s_)->dpcnt)) ) \
return -EFAULT; \
guest_from_compat_handle(dps, (_s_)->dp); \
- (_d_)->dp = guest_handle_cast(dps, xen_processor_csd_t); \
+ dps_t = guest_handle_cast(dps, xen_processor_csd_t); \
+ (_d_)->dp = guest_handle_from_param(dps_t, xen_processor_csd_t); \
} while (0)
XLAT_processor_cx(xen_state, state);
#undef XLAT_processor_cx_HNDL_dp
diff --git a/xen/arch/x86/x86_64/cpufreq.c b/xen/arch/x86/x86_64/cpufreq.c
index ce9864e..1956777 100644
--- a/xen/arch/x86/x86_64/cpufreq.c
+++ b/xen/arch/x86/x86_64/cpufreq.c
@@ -45,10 +45,12 @@ compat_set_px_pminfo(uint32_t cpu, struct
compat_processor_performance *perf)
#define XLAT_processor_performance_HNDL_states(_d_, _s_) do { \
XEN_GUEST_HANDLE(compat_processor_px_t) states; \
+ XEN_GUEST_HANDLE_PARAM(xen_processor_px_t) states_t; \
if ( unlikely(!compat_handle_okay((_s_)->states, (_s_)->state_count)) ) \
return -EFAULT; \
guest_from_compat_handle(states, (_s_)->states); \
- (_d_)->states = guest_handle_cast(states, xen_processor_px_t); \
+ states_t = guest_handle_cast(states, xen_processor_px_t); \
+ (_d_)->states = guest_handle_from_param(states_t, xen_processor_px_t); \
} while (0)
XLAT_processor_performance(xen_perf, perf);
diff --git a/xen/arch/x86/x86_64/platform_hypercall.c
b/xen/arch/x86/x86_64/platform_hypercall.c
index 188aa37..f577761 100644
--- a/xen/arch/x86/x86_64/platform_hypercall.c
+++ b/xen/arch/x86/x86_64/platform_hypercall.c
@@ -38,6 +38,7 @@ CHECK_pf_pcpu_version;
#define COMPAT
#define _XEN_GUEST_HANDLE(t) XEN_GUEST_HANDLE(t)
+#define _XEN_GUEST_HANDLE_PARAM(t) XEN_GUEST_HANDLE(t)
typedef int ret_t;
#include "../platform_hypercall.c"
diff --git a/xen/common/compat/multicall.c b/xen/common/compat/multicall.c
index e7e2a40..3219d3c 100644
--- a/xen/common/compat/multicall.c
+++ b/xen/common/compat/multicall.c
@@ -25,6 +25,7 @@ DEFINE_XEN_GUEST_HANDLE(multicall_entry_compat_t);
#define call compat_call
#define do_multicall(l, n) compat_multicall(_##l, n)
#define _XEN_GUEST_HANDLE(t) XEN_GUEST_HANDLE(t)
+#define _XEN_GUEST_HANDLE_PARAM(t) XEN_GUEST_HANDLE(t)
static void __trace_multicall_call(multicall_entry_t *call)
{
--
1.7.9.1
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