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The my_syscall*() macros are internal implementation details of nolibc.
Nolibc also provides the regular syscall(2), which is also a macro
and directly expands to the correct my_syscall().
Use syscall() instead.
As a side-effect this fixes some return value checks, as my_syscall()
returns the raw value as set by the kernel and does not set errno.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
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Nolibc now does have getauxval(), use it.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
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The return value was not assigned to 'ret', so the check afterwards
does not do anything.
Fixes: 3d37d4307e0f ("kselftest/arm64: Add very basic GCS test program")
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
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Ensure that we've got at least some coverage of the special cases around
vfork() by adding a test case in basic-gcs doing the same thing as the
plain fork() one - vfork(), do a few checks and then return to the parent.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20250703-arm64-gcs-vfork-exit-v3-3-1e9a9d2ddbbe@kernel.org
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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This test program just covers the basic GCS ABI, covering aspects of the
ABI as standalone features without attempting to integrate things.
Reviewed-by: Thiago Jung Bauermann <thiago.bauermann@linaro.org>
Tested-by: Thiago Jung Bauermann <thiago.bauermann@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20241001-arm64-gcs-v13-34-222b78d87eee@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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