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26bab757d41b853ea84cb52a10fafc9c10069658
qemu/linux-user
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Richard Henderson 26bab757d4 linux-user: Introduce PAGE_ANON 
Record whether the backing page is anonymous, or if it has file
backing.  This will allow us to get close to the Linux AArch64
ABI for MTE, which allows tag memory only on ram-backed VMAs.

The real ABI allows tag memory on files, when those files are
on ram-backed filesystems, such as tmpfs.  We will not be able
to implement that in QEMU linux-user.

Thankfully, anonymous memory for malloc arenas is the primary
consumer of this feature, so this restricted version should
still be of use.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210212184902.1251044-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-02-16 11:04:53 +00:00
..
aarch64
semihosting: Change common-semi API to be architecture-independent
2021-01-18 10:05:06 +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: target: signal: Support TARGET_SS_AUTODISARM
2021-02-13 22:50:50 +01:00
i386
linux user: Fix Lesser GPL version number
2020-11-15 16:41:26 +01:00
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
linux user: Fix Lesser GPL version number
2020-11-15 16:41:26 +01:00
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: Fix loading of BSS segments
2021-02-13 22:50:49 +01:00
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
linux-user/: fix some comment spelling errors
2020-09-17 20:39:22 +02:00
ioctls.h
linux-user: Conditionalize TUNSETVNETLE
2021-01-07 05:09:06 -10:00
linux_loop.h
linux-user: Add loop control ioctls
2016-07-19 15:22:33 +03:00
linuxload.c
avoid TABs in files that only contain a few
2019-01-11 15:46:56 +01:00
main.c
accel: replace struct CpusAccel with AccelOpsClass
2021-02-05 10:24:15 -10:00
meson.build
semihosting: Move ARM semihosting code to shared directories
2021-01-18 10:05:06 +00:00
mmap.c
linux-user: Introduce PAGE_ANON
2021-02-16 11:04:53 +00:00
qemu.h
riscv: Add semihosting support
2021-01-18 10:05:06 +00:00
safe-syscall.S
linux-user: Provide safe_syscall for fixing races between signals and syscalls
2016-05-27 14:49:51 +03:00
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: Support F_ADD_SEALS and F_GET_SEALS fcntls
2021-01-20 18:21:03 +01:00
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
tcg: Introduce target-specific page data for user-only
2021-02-16 11:04:52 +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
avoid TABs in files that only contain a few
2019-01-11 15:46:56 +01:00
uname.c
cpu: Replace ENV_GET_CPU with env_cpu
2019-06-10 07:03:34 -07:00
uname.h
Clean up decorations and whitespace around header guards
2016-07-12 16:20:46 +02:00
vm86.c
linux-user: Use `qemu_log' for non-strace logging
2020-02-19 11:17:40 +01:00