40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
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From e011a861479e486201feb0760a5fd2f449270f4d Mon Sep 17 00:00:00 2001
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From: tangbinzy <tangbin_yewu@cmss.chinamobile.com>
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Date: Thu, 21 Mar 2024 05:38:28 +0000
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Subject: [PATCH] linux-user/riscv: Align signal frame to 16 bytes mainline
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inclusion commit 1eaa63429a9944265c92efdb94c02fabb231f564 category: bugfix
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---------------------------------------------------------------
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Follow the kernel's alignment, as we already noted.
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Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1093
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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
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Message-Id: <20220729201942.30738-1-richard.henderson@linaro.org>
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Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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Signed-off-by: tangbinzy <tangbin_yewu@cmss.chinamobile.com>
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---
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linux-user/riscv/signal.c | 4 +---
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1 file changed, 1 insertion(+), 3 deletions(-)
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diff --git a/linux-user/riscv/signal.c b/linux-user/riscv/signal.c
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index a0f9542ce3..c50ac6d0aa 100644
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--- a/linux-user/riscv/signal.c
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+++ b/linux-user/riscv/signal.c
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@@ -64,9 +64,7 @@ static abi_ulong get_sigframe(struct target_sigaction *ka,
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/* This is the X/Open sanctioned signal stack switching. */
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sp = target_sigsp(sp, ka) - framesize;
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-
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- /* XXX: kernel aligns with 0xf ? */
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- sp &= ~3UL; /* align sp on 4-byte boundary */
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+ sp &= ~0xf;
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return sp;
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}
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--
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2.27.0
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