[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen staging] tools/libs/light: set video_mem for PVH guests
commit 0a20a53df158eb0724ce6dcd9de70cbdad547d6f Author: Juergen Gross <jgross@xxxxxxxx> AuthorDate: Fri Dec 3 08:30:58 2021 +0100 Commit: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> CommitDate: Thu Dec 9 16:26:29 2021 +0000 tools/libs/light: set video_mem for PVH guests The size of the video memory of PVH guests should be set to 0 in case no value has been specified. Doing not so will leave it to be -1, resulting in an additional 1 kB of RAM being advertised in the memory map (here the output of a PVH Mini-OS boot with 16 MB of RAM assigned): Memory map: 000000000000-0000010003ff: RAM 0000feff8000-0000feffffff: Reserved 0000fc008000-0000fc00803f: ACPI 0000fc000000-0000fc000fff: ACPI 0000fc001000-0000fc007fff: ACPI Signed-off-by: Juergen Gross <jgross@xxxxxxxx> Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> Acked-by: Anthony PERARD <anthony.perard@xxxxxxxxxx> --- tools/libs/light/libxl_create.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/libs/light/libxl_create.c b/tools/libs/light/libxl_create.c index dcd09d32ba..d7a40d7550 100644 --- a/tools/libs/light/libxl_create.c +++ b/tools/libs/light/libxl_create.c @@ -427,6 +427,8 @@ int libxl__domain_build_info_setdefault(libxl__gc *gc, break; case LIBXL_DOMAIN_TYPE_PVH: libxl_defbool_setdefault(&b_info->u.pvh.pvshim, false); + if (b_info->video_memkb == LIBXL_MEMKB_DEFAULT) + b_info->video_memkb = 0; if (libxl_defbool_val(b_info->u.pvh.pvshim)) { if (!b_info->u.pvh.pvshim_path) b_info->u.pvh.pvshim_path = -- generated by git-patchbot for /home/xen/git/xen.git#staging
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