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authorArthur Heymans <arthur@aheymans.xyz>2023-06-22 21:04:06 +0200
committerLean Sheng Tan <sheng.tan@9elements.com>2023-07-21 07:33:06 +0000
commit9c1f78d3e599a62b64a943297ff8693b4b6cacd7 (patch)
treee108c2b554d4888dfc3714154659585ae716127f
parent86dfcb80ce7808103b014ad4cbfc80ecc7a5d355 (diff)
acpi/acpigen.c: Ignore compiler warning about stack overflowing
With arm64 -Wstack-usage= is enabled which is triggered on any use of alloca(). Since this function basically works on x86 without wrecking things and causing massive stack consumption it's unlikely to cause problems on arm64. Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Change-Id: I5d445d151db5e6cc7b6e13bf74ce81007d819f1d Reviewed-on: https://review.coreboot.org/c/coreboot/+/76007 Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
-rw-r--r--src/acpi/acpigen.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index e61954fd7f..7ca4f021dd 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -1764,6 +1764,10 @@ void acpigen_write_dsm(const char *uuid, void (**callbacks)(void *), size_t coun
* bit 0: other functions than 0 are supported
* bits 1-x: function x supported
*/
+/* On GCC aarch64 the compiler is worried about alloca() having unbounded stack usage. */
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC diagnostic ignored "-Wstack-usage="
+#endif
static void acpigen_dsm_uuid_enum_functions(const struct dsm_uuid *id)
{
const size_t bytes = DIV_ROUND_UP(id->count, BITS_PER_BYTE);