From: "tip-bot2 for Chang S. Bae" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: "Chang S. Bae" <chang.seok.bae@intel.com>,
Borislav Petkov <bp@suse.de>, Len Brown <len.brown@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: x86/fpu] uapi/auxvec: Define the aux vector AT_MINSIGSTKSZ
Date: Wed, 19 May 2021 14:19:33 -0000 [thread overview]
Message-ID: <162143397372.29796.11777578099249865998.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20210518200320.17239-2-chang.seok.bae@intel.com>
The following commit has been merged into the x86/fpu branch of tip:
Commit-ID: 7cd60e43a6def40ecb75deb8decc677995970d0b
Gitweb: https://git.kernel.org/tip/7cd60e43a6def40ecb75deb8decc677995970d0b
Author: Chang S. Bae <chang.seok.bae@intel.com>
AuthorDate: Tue, 18 May 2021 13:03:15 -07:00
Committer: Borislav Petkov <bp@suse.de>
CommitterDate: Wed, 19 May 2021 11:40:15 +02:00
uapi/auxvec: Define the aux vector AT_MINSIGSTKSZ
Define AT_MINSIGSTKSZ in the generic uapi header. It is already used
as generic ABI in glibc's generic elf.h, and this define will prevent
future namespace conflicts. In particular, x86 is also using this
generic definition.
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Len Brown <len.brown@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20210518200320.17239-2-chang.seok.bae@intel.com
---
include/uapi/linux/auxvec.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/uapi/linux/auxvec.h b/include/uapi/linux/auxvec.h
index abe5f2b..c7e502b 100644
--- a/include/uapi/linux/auxvec.h
+++ b/include/uapi/linux/auxvec.h
@@ -33,5 +33,8 @@
#define AT_EXECFN 31 /* filename of program */
+#ifndef AT_MINSIGSTKSZ
+#define AT_MINSIGSTKSZ 51 /* minimal stack size for signal delivery */
+#endif
#endif /* _UAPI_LINUX_AUXVEC_H */
next prev parent reply other threads:[~2021-05-19 14:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-18 20:03 [PATCH v9 0/6] Improve Minimum Alternate Stack Size Chang S. Bae
2021-05-18 20:03 ` [PATCH v9 1/6] uapi: Define the aux vector AT_MINSIGSTKSZ Chang S. Bae
2021-05-19 14:19 ` tip-bot2 for Chang S. Bae [this message]
2021-05-18 20:03 ` [PATCH v9 2/6] x86/signal: Introduce helpers to get the maximum signal frame size Chang S. Bae
2021-05-19 14:19 ` [tip: x86/fpu] " tip-bot2 for Chang S. Bae
2021-05-18 20:03 ` [PATCH v9 3/6] x86/elf: Support a new ELF aux vector AT_MINSIGSTKSZ Chang S. Bae
2021-05-19 14:19 ` [tip: x86/fpu] " tip-bot2 for Chang S. Bae
2021-05-18 20:03 ` [PATCH v9 4/6] selftest/sigaltstack: Use the AT_MINSIGSTKSZ aux vector if available Chang S. Bae
2021-05-19 14:19 ` [tip: x86/fpu] " tip-bot2 for Chang S. Bae
2021-05-18 20:03 ` [PATCH v9 5/6] x86/signal: Detect and prevent an alternate signal stack overflow Chang S. Bae
2021-05-19 14:19 ` [tip: x86/fpu] " tip-bot2 for Chang S. Bae
2021-05-18 20:03 ` [PATCH v9 6/6] selftest/x86/signal: Include test cases for validating sigaltstack Chang S. Bae
2021-05-19 14:19 ` [tip: x86/fpu] " tip-bot2 for Chang S. Bae
2021-05-19 9:25 ` [PATCH v9 0/6] Improve Minimum Alternate Stack Size Thomas Gleixner
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