xen/tools/ocaml/libs at acfd2631b95e29fd68b98d902a1663e07474ed5f - xen

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Edwin Török 381b4ff16f tools/ocaml: fix 32-bit truncation bug in stub_xc_domain_setmaxmem()

Observed when attempting to boot a >4TiB VM:

After a call to domain_setmaxmem with 6370254848 (KiB), the domain's maxmem
got set to 2075287552, which is exactly 2^32 smaller.

xc_domain_setmaxmem takes an uint64_t as a parameter, and the OCaml value
is 64-bit already, so fix the C variable to match the type and avoid the
truncation.

Fixes: f5b43e95fa ("libxl: fix "xl mem-set" regression from 0c029c4da2")
Signed-off-by: Edwin Török <edwin.torok@citrix.com>
Acked-by: Christian Lindig <christian.lindig@cloud.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>

2026-02-05 21:27:40 +01:00

eventchn

tools/ocaml/libs: Fix memory/resource leaks with caml_alloc_custom()

2023-02-06 10:22:12 +00:00

mmap

tools/ocaml/mmap: Drop the len parameter from Xenmmap.write

2023-03-30 16:26:24 +01:00

tools/ocaml/libs: Don't declare stubs as taking void

2023-02-06 10:22:12 +00:00

tools/ocaml: fix 32-bit truncation bug in stub_xc_domain_setmaxmem()

2026-02-05 21:27:40 +01:00

tools: replace @xxx@ markers at build time