From: Mark Brown <broonie@kernel.org>
To: "Thomas Weißschuh" <linux@weissschuh.net>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>,
open list <linux-kernel@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@vger.kernel.org>,
lkft-triage@lists.linaro.org,
Linux Regressions <regressions@lists.linux.dev>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Dan Carpenter <dan.carpenter@linaro.org>,
Anders Roxell <anders.roxell@linaro.org>,
Ben Copeland <benjamin.copeland@linaro.org>,
Shuah Khan <shuah@kernel.org>
Subject: Re: next-20250909: selftests/arm64/gcs/basic-gcs.c:390:30: error: use of undeclared identifier 'HWCAP_GCS'
Date: Fri, 12 Sep 2025 11:49:50 +0100 [thread overview]
Message-ID: <965c8d7e-c5f2-4bd8-ab7c-c3116632f015@sirena.org.uk> (raw)
In-Reply-To: <1e331ebb-3315-4cbe-b194-ccbeeaded4da@t-8ch.de>
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On Fri, Sep 12, 2025 at 08:30:08AM +0200, Thomas Weißschuh wrote:
> On 2025-09-12 00:48:47+0530, Naresh Kamboju wrote:
> index c99a6b39ac14..816b497634d6 100644
> --- a/tools/testing/selftests/arm64/gcs/gcs-util.h
> +++ b/tools/testing/selftests/arm64/gcs/gcs-util.h
> @@ -26,6 +26,10 @@ struct user_gcs {
> };
> #endif
>
> +#ifndef HWCAP_GCS
> +#define HWCAP_GCS (1UL << 32)
> +#endif
> +
We're doing that for glibc using tests because there's some unfortunate
interaction between including the relevant kernel header and glibc's
headers (I forget the details) which means that including the kernel
header directly conflicts with something glibc is doing. For nolibc I
would expect us to using the kernel's hwcap definitions?
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next prev parent reply other threads:[~2025-09-12 10:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-11 19:18 Naresh Kamboju
2025-09-11 21:01 ` Mark Brown
2025-09-12 6:30 ` Thomas Weißschuh
2025-09-12 10:23 ` Naresh Kamboju
2025-09-12 10:49 ` Mark Brown [this message]
2025-09-12 10:57 ` Thomas Weißschuh
2025-09-12 11:07 ` Thomas Weißschuh
2025-09-12 11:14 ` Mark Brown
2025-09-15 9:23 ` Thomas Weißschuh
2025-09-15 19:14 ` Naresh Kamboju
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