it has been deprecated since 4.0 by commit cb79224b7 (deprecate -mem-path fallback to anonymous RAM) Deprecation period ran out and it's time to remove it so it won't get in a way of switching to using hostmem backend for RAM.
Signed-off-by: Igor Mammedov <imamm...@redhat.com> Reviewed-by: Richard Henderson <richard.hender...@linaro.org> --- CC:libvir-l...@redhat.com CC: ehabk...@redhat.com --- hw/core/numa.c | 18 +----------------- qemu-deprecated.texi | 9 --------- 2 files changed, 1 insertion(+), 26 deletions(-) diff --git a/hw/core/numa.c b/hw/core/numa.c index 0d1b4be76a..840e68581f 100644 --- a/hw/core/numa.c +++ b/hw/core/numa.c @@ -784,24 +784,8 @@ static void allocate_system_memory_nonnuma(MemoryRegion *mr, Object *owner, { if (mem_path) { #ifdef __linux__ - Error *err = NULL; memory_region_init_ram_from_file(mr, owner, name, ram_size, 0, 0, - mem_path, &err); - if (err) { - error_report_err(err); - if (mem_prealloc) { - exit(1); - } - warn_report("falling back to regular RAM allocation"); - error_printf("This is deprecated. Make sure that -mem-path " - " specified path has sufficient resources to allocate" - " -m specified RAM amount\n"); - /* Legacy behavior: if allocation failed, fall back to - * regular RAM allocation. - */ - mem_path = NULL; - memory_region_init_ram_nomigrate(mr, owner, name, ram_size, &error_fatal); - } + mem_path, &error_fatal); #else fprintf(stderr, "-mem-path not supported on this host\n"); exit(1); diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi index 0671c26c80..66eca3a1de 100644 --- a/qemu-deprecated.texi +++ b/qemu-deprecated.texi @@ -113,15 +113,6 @@ QEMU using implicit generic or board specific splitting rule. Use @option{memdev} with @var{memory-backend-ram} backend or @option{mem} (if it's supported by used machine type) to define mapping explictly instead. -@subsection -mem-path fallback to RAM (since 4.1) -Currently if guest RAM allocation from file pointed by @option{mem-path} -fails, QEMU falls back to allocating from RAM, which might result -in unpredictable behavior since the backing file specified by the user -is ignored. In the future, users will be responsible for making sure -the backing storage specified with @option{-mem-path} can actually provide -the guest RAM configured with @option{-m} and QEMU will fail to start up if -RAM allocation is unsuccessful. - @subsection RISC-V -bios (since 4.1) QEMU 4.1 introduced support for the -bios option in QEMU for RISC-V for the -- 2.18.1