diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-02-12 10:48:32 -0800 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-02-16 11:04:52 +0000 |
| commit | d9c5858570a57f374b71216c5da39ee381fa92f5 (patch) | |
| tree | 993ffb46c24da50b9b88ab1269a889ab994ccd58 /linux-user/syscall.c | |
| parent | 8ba4bca570ace1e60614a0808631a517cf5df67a (diff) | |
tcg: Introduce target-specific page data for user-only
This data can be allocated by page_alloc_target_data() and
released by page_set_flags(start, end, prot | PAGE_RESET).
This data will be used to hold tag memory for AArch64 MTE.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210212184902.1251044-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 36b0901055..0c2d660bc4 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -4643,8 +4643,8 @@ static inline abi_ulong do_shmat(CPUArchState *cpu_env, raddr=h2g((unsigned long)host_raddr); page_set_flags(raddr, raddr + shm_info.shm_segsz, - PAGE_VALID | PAGE_READ | - ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); + PAGE_VALID | PAGE_RESET | PAGE_READ | + (shmflg & SHM_RDONLY ? 0 : PAGE_WRITE)); for (i = 0; i < N_SHM_REGIONS; i++) { if (!shm_regions[i].in_use) { |