Re: [PATCH] fd-trans: Fix race condition on reallocation of the translation table.

2021-07-08 Thread Owen Anderson
Gentle ping. --Owen On Thu, Jul 1, 2021 at 3:12 PM Owen Anderson wrote: > The mapping from file-descriptors to translator functions is not guarded > on realloc which may cause invalid function pointers to be read from a > previously deallocated mapping. > > Signed-off-by

[PATCH] fd-trans: Fix race condition on reallocation of the translation table.

2021-07-01 Thread Owen Anderson
The mapping from file-descriptors to translator functions is not guarded on realloc which may cause invalid function pointers to be read from a previously deallocated mapping. Signed-off-by: Owen Anderson --- linux-user/fd-trans.c | 1 + linux-user/fd-trans.h | 55

Re: [RFC] Don't lookup full CPU state in the indirect branch fast path on AArch64 when running in user mode.

2020-10-19 Thread Owen Anderson
On Mon, Oct 19, 2020 at 11:22 AM Richard Henderson wrote: > > (1) What qemu version are you looking at and, > (2) Do you have --enable-tcg-debug enabled? My use case is a large automated testing environment for large C++ binaries with heavy use of virtual dispatch. The binaries are generally not

Re: [RFC] Don't lookup full CPU state in the indirect branch fast path on AArch64 when running in user mode.

2020-10-19 Thread Owen Anderson
Ping On Mon, Oct 12, 2020 at 1:52 PM Owen Anderson wrote: > > Ping. > > I'd like to get feedback on how/whether this could be developed into a > landable version. > > Thanks, > > --Owen > > On Tue, Sep 29, 2020 at 2:32 PM Owen Anderson wrote: > >

Re: [RFC] Don't lookup full CPU state in the indirect branch fast path on AArch64 when running in user mode.

2020-10-12 Thread Owen Anderson
Ping. I'd like to get feedback on how/whether this could be developed into a landable version. Thanks, --Owen On Tue, Sep 29, 2020 at 2:32 PM Owen Anderson wrote: > > Hello, > > I would like to request feedback on the following patch, which I do > not believe should be app

[RFC] Don't lookup full CPU state in the indirect branch fast path on AArch64 when running in user mode.

2020-09-29 Thread Owen Anderson
001 From: Owen Anderson Date: Tue, 29 Sep 2020 13:47:00 -0700 Subject: [RFC] Don't lookup full CPU state in the indirect branch fast path on AArch64 when running in user mode. Most of the CPU state can't be changed in user mode, so this is useless work. Signed-off-by: Owen Anderson --