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SubjectRe: [PATCH v2 0/2] Handle IST interrupts from userspace on the normal stack
On Thu, Nov 13, 2014 at 2:31 PM, Andy Lutomirski <luto@amacapital.net> wrote:
> 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
>

I reversed the order of the patches -- oops. If I send v3, I'll fix that.

--Andy

> 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
>



--
Andy Lutomirski
AMA Capital Management, LLC


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