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qemu/linux-user
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Richard Henderson 5d70c3510b linux-user/aarch64: Signal SEGV_MTEAERR for async tag check error 
The real kernel collects _TIF_MTE_ASYNC_FAULT into the current thread's
state on any kernel entry (interrupt, exception etc), and then delivers
the signal in advance of resuming the thread.

This means that while the signal won't be delivered immediately, it will
not be delayed forever -- at minimum it will be delivered after the next
clock interrupt.

We don't have a clock interrupt in linux-user, so we issue a cpu_kick
to signal a return to the main loop at the end of the current TB.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210212184902.1251044-29-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-02-16 13:17:10 +00:00
..
aarch64 linux-user/aarch64: Signal SEGV_MTEAERR for async tag check error 2021-02-16 13:17:10 +00:00
alpha linux-user: target: signal: Support TARGET_SS_AUTODISARM 2021-02-13 22:50:50 +01:00
arm semihosting: Change common-semi API to be architecture-independent 2021-01-18 10:05:06 +00:00
cris linux user: Fix Lesser GPL version number 2020-11-15 16:41:26 +01:00
generic linux-user: target: signal: Support TARGET_SS_AUTODISARM 2021-02-13 22:50:50 +01:00
host linux-user/: fix some comment spelling errors 2020-09-17 20:39:22 +02:00
hppa linux-user: Use cpu_untagged_addr in access_ok; split out *_untagged 2021-02-16 11:04:53 +00:00
i386 linux-user: Use cpu_untagged_addr in access_ok; split out *_untagged 2021-02-16 11:04:53 +00:00
m68k linux-user: Correct definition of stack_t 2020-11-11 10:59:39 +01:00
microblaze linux user: Fix Lesser GPL version number 2020-11-15 16:41:26 +01:00
mips linux-user: target: signal: Support TARGET_SS_AUTODISARM 2021-02-13 22:50:50 +01:00
mips64 linux-user/mips: Support the n32 ABI for the R5900 2021-02-15 12:10:03 +01:00
nios2 linux user: Fix Lesser GPL version number 2020-11-15 16:41:26 +01:00
openrisc linux-user: update syscall_nr.h to Linux 5.9-rc7 2020-10-26 11:39:23 +01:00
ppc exec: Use cpu_untagged_addr in g2h; split out g2h_untagged 2021-02-16 11:04:53 +00:00
riscv riscv: Add semihosting support for user mode 2021-01-18 10:05:06 +00:00
s390x linux user: Fix Lesser GPL version number 2020-11-15 16:41:26 +01:00
sh4 linux-user: Correct definition of stack_t 2020-11-11 10:59:39 +01:00
sparc linux-user: target: signal: Support TARGET_SS_AUTODISARM 2021-02-13 22:50:50 +01:00
sparc64 linux user: Fix Lesser GPL version number 2020-11-15 16:41:26 +01:00
tilegx linux user: Fix Lesser GPL version number 2020-11-15 16:41:26 +01:00
x86_64 linux user: Fix Lesser GPL version number 2020-11-15 16:41:26 +01:00
xtensa linux-user: update syscall.tbl to Linux 5.9-rc7 2020-10-26 11:39:23 +01:00
cpu_loop-common.h cpu: Replace ENV_GET_CPU with env_cpu 2019-06-10 07:03:34 -07:00
elfload.c linux-user: Use cpu_untagged_addr in access_ok; split out *_untagged 2021-02-16 11:04:53 +00:00
errno_defs.h Supply missing header guards 2019-06-12 13:20:21 +02:00
exit.c gdbstub: drop CPUEnv from gdb_exit() 2021-01-18 10:05:06 +00:00
fd-trans.c linux-user,netlink: add IFLA_BRPORT_MRP_RING_OPEN, IFLA_BRPORT_MRP_IN_OPEN 2020-11-17 15:22:52 +01:00
fd-trans.h linux-user: move TargetFdTrans functions to their own file 2018-09-25 22:36:47 +02:00
flat.h linux-user/: fix some comment spelling errors 2020-09-17 20:39:22 +02:00
flatload.c exec: Use cpu_untagged_addr in g2h; split out g2h_untagged 2021-02-16 11:04:53 +00:00
ioctls.h linux-user: Conditionalize TUNSETVNETLE 2021-01-07 05:09:06 -10:00
linux_loop.h
linuxload.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
main.c exec: Use uintptr_t for guest_base 2021-02-16 11:04:53 +00:00
meson.build semihosting: Move ARM semihosting code to shared directories 2021-01-18 10:05:06 +00:00
mmap.c linux-user/aarch64: Implement PROT_MTE 2021-02-16 13:08:46 +00:00
qemu.h linux-user: Fix types in uaccess.c 2021-02-16 13:02:29 +00:00
safe-syscall.S
semihost.c riscv: Add semihosting support 2021-01-18 10:05:06 +00:00
signal-common.h linux-user: Make sigaltstack stacks per-thread 2019-07-26 19:24:33 +02:00
signal.c linux-user/signal: Decode waitid si_code 2021-02-13 22:50:49 +01:00
socket.h Supply missing header guards 2019-06-12 13:20:21 +02:00
strace.c linux-user: Add IPv6 options to do_print_sockopt() 2021-01-21 13:27:08 +01:00
strace.list linux-user: Add strace support for printing arguments of some clock and time functions 2020-08-27 12:29:50 +02:00
syscall_defs.h linux-user/aarch64: Implement PROT_MTE 2021-02-16 13:08:46 +00:00
syscall_types.h linux-user: Add support for btrfs ioctls used to scrub a filesystem 2020-09-03 01:09:35 +02:00
syscall.c linux-user/aarch64: Implement PR_MTE_TCF and PR_MTE_TAG 2021-02-16 13:08:25 +00:00
target_flat.h Supply missing header guards 2019-06-12 13:20:21 +02:00
trace-events linux-user: fix use of SIGRTMIN 2020-02-12 18:56:41 +01:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
uaccess.c linux-user: Handle tags in lock_user/unlock_user 2021-02-16 13:06:11 +00:00
uname.c cpu: Replace ENV_GET_CPU with env_cpu 2019-06-10 07:03:34 -07:00
uname.h
vm86.c linux-user: Use `qemu_log' for non-strace logging 2020-02-19 11:17:40 +01:00