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Message-Id: <cover.1415917623.git.luto@amacapital.net> Date: Thu, 13 Nov 2014 14:31:19 -0800 From: Andy Lutomirski <luto@...capital.net> To: Borislav Petkov <bp@...en8.de>, x86@...nel.org Cc: linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>, Oleg Nesterov <oleg@...hat.com>, Tony Luck <tony.luck@...el.com>, Andi Kleen <andi@...stfloor.org>, Andy Lutomirski <luto@...capital.net> Subject: [PATCH v2 0/2] Handle IST interrupts from userspace on the normal stack We currently run IST interrupt handlers on the IST stack. Changing it may simplify a few things. See patch 2 for details. Patch 1 is a fix for a not-quite-bug in uprobes that Oleg noticed that would be exposed by patch 2. Andy Lutomirski (2): x86, entry: Switch stacks on a paranoid entry from userspace uprobes, x86: Fix _TIF_UPROBE vs _TIF_NOTIFY_RESUME Documentation/x86/entry_64.txt | 18 +++++--- Documentation/x86/x86_64/kernel-stacks | 8 ++-- arch/x86/include/asm/thread_info.h | 2 +- arch/x86/kernel/entry_64.S | 82 +++++++++++++++++----------------- arch/x86/kernel/traps.c | 23 +++------- kernel/events/uprobes.c | 1 - 6 files changed, 65 insertions(+), 69 deletions(-) -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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