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Peter Anvin" , "Nathan Chancellor" , "Nicolas Schier" , "Nick Terrell" , "David Sterba" , "Jan Stancek" , "Josh Poimboeuf" , "Petr Mladek" , "Peter Zijlstra" , =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , "Simon Glass" , "Marco Elver" , linux-kbuild@vger.kernel.org Message-Id: In-Reply-To: <20260728143141.2870515-1-jeffbai@aosc.io> References: <20260728143141.2870515-1-jeffbai@aosc.io> Subject: Re: [RFC PATCH] x86/boot: use zstd -19 if building for 32-bit Content-Type: text/plain Content-Transfer-Encoding: 7bit On Tue, 28 Jul 2026, at 17:31, Mingcong Bai wrote: > When using native build environments (that is, 32-bit x86 chroot/container > as build environment for 32-bit x86 binaries), `zstd -22' requests more > virtual memory than that could be allowed on 32-bit hosts. > > Introduce `cmd_zstd_with_size' for CONFIG_X86_32 builds. > > This is quite possibly just stupid... But there doesn't seem to be a way > to detect the host environment. So I'm sending this patch as a means to > ask for your opinions. > > Any help would be greated appreciated. > > Signed-off-by: Mingcong Bai > --- > arch/x86/boot/compressed/Makefile | 5 +++++ > scripts/Makefile.lib | 3 +++ > 2 files changed, 8 insertions(+) > Doesn't this mean ZSTD -22 is generally broken on 32-bit? How is this specific to the kernel?