From: Michael Roth <michael.roth@amd.com>
To: <qemu-devel@nongnu.org>
Cc: <pbonzini@redhat.com>, <berrange@redhat.com>, <armbru@redhat.com>,
<pankaj.gupta@amd.com>, <isaku.yamahata@intel.com>,
<xiaoyao.li@intel.com>, <chao.p.peng@linux.intel.com>,
<david@kernel.org>, Peter Xu <peterx@redhat.com>
Subject: [PATCH v5 10/12] memory: Rename memory_region_init_ram_guest_memfd() to *_private()
Date: Tue, 8 Sep 2026 08:31:00 -0500 [thread overview]
Message-ID: <20260908133151.836685-11-michael.roth@amd.com> (raw)
In-Reply-To: <20260908133151.836685-1-michael.roth@amd.com>
From: Peter Xu <peterx@redhat.com>
Differenciate it from fully shared guest-memfd use cases.
Suggested-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Michael Roth <michael.roth@amd.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
---
backends/igvm.c | 4 ++--
hw/i386/pc.c | 4 ++--
hw/i386/pc_sysfw.c | 4 ++--
hw/i386/x86-common.c | 4 ++--
include/system/memory.h | 10 +++++-----
system/memory.c | 8 +++++---
6 files changed, 18 insertions(+), 16 deletions(-)
diff --git a/backends/igvm.c b/backends/igvm.c
index 7b7bdc72b7..228d332f42 100644
--- a/backends/igvm.c
+++ b/backends/igvm.c
@@ -259,8 +259,8 @@ static void *qigvm_prepare_memory(QIgvm *ctx, uint64_t addr, uint64_t size,
imr->mr = g_new0(MemoryRegion, 1);
if (ctx->machine_state->cgs &&
ctx->machine_state->cgs->require_guest_memfd) {
- if (!memory_region_init_ram_guest_memfd(imr->mr, NULL,
- region_name, size, errp)) {
+ if (!memory_region_init_ram_guest_memfd_private(
+ imr->mr, NULL, region_name, size, errp)) {
g_free(imr->mr);
g_free(imr);
return NULL;
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 9c2d77e494..1e5b23d7aa 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -874,8 +874,8 @@ void pc_memory_init(PCMachineState *pcms,
if (!is_tdx_vm()) {
option_rom_mr = g_malloc(sizeof(*option_rom_mr));
if (machine_require_guest_memfd_private(machine)) {
- memory_region_init_ram_guest_memfd(option_rom_mr, NULL, "pc.rom",
- PC_ROM_SIZE, &error_fatal);
+ memory_region_init_ram_guest_memfd_private(
+ option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE, &error_fatal);
} else {
memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE,
&error_fatal);
diff --git a/hw/i386/pc_sysfw.c b/hw/i386/pc_sysfw.c
index 4a7694c131..3e0b9e1d28 100644
--- a/hw/i386/pc_sysfw.c
+++ b/hw/i386/pc_sysfw.c
@@ -52,8 +52,8 @@ static void pc_isa_bios_init(PCMachineState *pcms, MemoryRegion *isa_bios,
/* map the last 128KB of the BIOS in ISA space */
isa_bios_size = MIN(flash_size, 128 * KiB);
if (machine_require_guest_memfd_private(MACHINE(pcms))) {
- memory_region_init_ram_guest_memfd(isa_bios, NULL, "isa-bios",
- isa_bios_size, &error_fatal);
+ memory_region_init_ram_guest_memfd_private(
+ isa_bios, NULL, "isa-bios", isa_bios_size, &error_fatal);
} else {
memory_region_init_ram(isa_bios, NULL, "isa-bios", isa_bios_size,
&error_fatal);
diff --git a/hw/i386/x86-common.c b/hw/i386/x86-common.c
index dd526c561c..ffe9cc90b6 100644
--- a/hw/i386/x86-common.c
+++ b/hw/i386/x86-common.c
@@ -1037,8 +1037,8 @@ static void load_bios_from_file(X86MachineState *x86ms, const char *bios_name,
/* BIOS load */
if (machine_require_guest_memfd_private(MACHINE(x86ms))) {
- memory_region_init_ram_guest_memfd(&x86ms->bios, NULL, "pc.bios",
- bios_size, &error_fatal);
+ memory_region_init_ram_guest_memfd_private(
+ &x86ms->bios, NULL, "pc.bios", bios_size, &error_fatal);
if (is_tdx_vm()) {
tdx_set_tdvf_region(&x86ms->bios);
}
diff --git a/include/system/memory.h b/include/system/memory.h
index 96ab920e7d..027ca81bd2 100644
--- a/include/system/memory.h
+++ b/include/system/memory.h
@@ -1358,11 +1358,11 @@ bool memory_region_init_ram(MemoryRegion *mr,
uint64_t size,
Error **errp);
-bool memory_region_init_ram_guest_memfd(MemoryRegion *mr,
- Object *owner,
- const char *name,
- uint64_t size,
- Error **errp);
+bool memory_region_init_ram_guest_memfd_private(MemoryRegion *mr,
+ Object *owner,
+ const char *name,
+ uint64_t size,
+ Error **errp);
/**
* memory_region_init_rom: Initialize a ROM memory region.
diff --git a/system/memory.c b/system/memory.c
index b520cca1a0..b3b678617b 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -3617,9 +3617,11 @@ bool memory_region_init_ram(MemoryRegion *mr, Object *owner,
return true;
}
-bool memory_region_init_ram_guest_memfd(MemoryRegion *mr, Object *owner,
- const char *name, uint64_t size,
- Error **errp)
+bool memory_region_init_ram_guest_memfd_private(MemoryRegion *mr,
+ Object *owner,
+ const char *name,
+ uint64_t size,
+ Error **errp)
{
if (!memory_region_init_ram_flags_nomigrate(mr, owner, name, size,
RAM_GUEST_MEMFD_PRIVATE, errp)) {
--
2.43.0
next prev parent reply other threads:[~2026-09-08 13:33 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-08 13:30 [PATCH v5 00/12] KVM/hostmem: Support init-shared guest-memfd as VM backends Michael Roth
2026-09-08 13:30 ` [PATCH v5 01/12] kvm: Decouple memory attribute check from kvm_guest_memfd_supported Michael Roth
2026-09-10 8:47 ` David Hildenbrand
2026-09-08 13:30 ` [PATCH v5 02/12] kvm: Detect guest-memfd flags supported Michael Roth
2026-09-08 13:30 ` [PATCH v5 03/12] kvm: Provide explicit error for kvm_create_guest_memfd() Michael Roth
2026-09-10 8:48 ` David Hildenbrand
2026-09-08 13:30 ` [PATCH v5 04/12] ramblock: Rename guest_memfd to guest_memfd_private Michael Roth
2026-09-10 8:49 ` David Hildenbrand
2026-09-08 13:30 ` [PATCH v5 05/12] memory: Rename RAM_GUEST_MEMFD to RAM_GUEST_MEMFD_PRIVATE Michael Roth
2026-09-10 8:50 ` David Hildenbrand
2026-09-08 13:30 ` [PATCH v5 06/12] memory: Rename memory_region_has_guest_memfd() to *_private() Michael Roth
2026-09-10 8:50 ` David Hildenbrand
2026-09-08 13:30 ` [PATCH v5 07/12] hostmem: Rename guest_memfd to guest_memfd_private Michael Roth
2026-09-10 8:51 ` David Hildenbrand
2026-09-08 13:30 ` [PATCH v5 08/12] hostmem: Support fully shared guest memfd to back a VM Michael Roth
2026-09-08 14:03 ` Markus Armbruster
2026-09-10 22:58 ` Michael Roth
2026-09-11 5:56 ` Markus Armbruster
2026-09-11 19:22 ` Michael Roth
2026-09-10 8:54 ` David Hildenbrand
2026-09-10 23:00 ` Michael Roth
2026-09-11 12:06 ` Peter Xu
2026-09-11 16:00 ` David Hildenbrand (Arm)
2026-09-14 12:59 ` Peter Xu
2026-09-15 15:02 ` David Hildenbrand (Arm)
2026-09-08 13:30 ` [PATCH v5 09/12] machine: Rename machine_require_guest_memfd() to *_private() Michael Roth
2026-09-10 8:55 ` David Hildenbrand
2026-09-10 23:08 ` Michael Roth
2026-09-11 10:48 ` David Hildenbrand (Arm)
2026-09-11 19:27 ` Michael Roth
2026-09-08 13:31 ` Michael Roth [this message]
2026-09-10 8:56 ` [PATCH v5 10/12] memory: Rename memory_region_init_ram_guest_memfd() " David Hildenbrand
2026-09-08 13:31 ` [PATCH v5 11/12] tests/migration-test: Support guest-memfd init shared mem type Michael Roth
2026-09-08 13:31 ` [PATCH v5 12/12] tests/migration-test: Add a precopy test for guest-memfd Michael Roth
2026-09-10 8:45 ` [PATCH v5 00/12] KVM/hostmem: Support init-shared guest-memfd as VM backends David Hildenbrand
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