From 455c4938f5822c017c7ff79dd2dca638b6410923 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Sun, 15 Nov 2020 18:05:48 -0800
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Subject: [PATCH] Disable use of __NR_io_getevents when not defined
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Architectures like riscv32 do not define this syscall, therefore return
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ENOSYS on such architectures
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Upstream-Status: Pending
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Signed-off-by: Stephan Mueller <smueller@chronox.de>
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[Retrieved from:
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https://github.com/smuellerDD/libkcapi/commit/455c4938f5822c017c7ff79dd2dca638b6410923]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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lib/internal.h | 11 +++++++++--
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1 file changed, 9 insertions(+), 2 deletions(-)
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diff --git a/lib/internal.h b/lib/internal.h
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index 1237827..f765461 100644
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--- a/lib/internal.h
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+++ b/lib/internal.h
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@@ -325,10 +325,17 @@ static inline int io_submit(aio_context_t ctx, long n, struct iocb **iocb)
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return syscall(__NR_io_submit, ctx, n, iocb);
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}
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-static inline int io_getevents(aio_context_t ctx, long min, long max,
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- struct io_event *events, struct timespec *timeout)
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+static inline int io_getevents(__attribute__((unused)) aio_context_t ctx,
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+ __attribute__((unused)) long min,
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+ __attribute__((unused)) long max,
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+ __attribute__((unused)) struct io_event *events,
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+ __attribute__((unused)) struct timespec *timeout)
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{
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+#ifdef __NR_io_getevents
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return syscall(__NR_io_getevents, ctx, min, max, events, timeout);
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+#else
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+ return -ENOSYS;
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+#endif
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}
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/************************************************************
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