| 964080d3 | 30-Apr-2025 |
Richard Henderson <richard.henderson@linaro.org> |
accel/tcg: Remove TARGET_PAGE_DATA_SIZE
This macro is used by only one target, and even then under
unusual conditions -- AArch64 with mmap's PROT_MTE flag.
Since page size for aarch64-linux-user is
accel/tcg: Remove TARGET_PAGE_DATA_SIZE
This macro is used by only one target, and even then under
unusual conditions -- AArch64 with mmap's PROT_MTE flag.
Since page size for aarch64-linux-user is variable, the
per-page data size is also variable.
Since page_reset_target_data via target_munmap does not
have ready access to CPUState, simply pass in the size
from the first allocation and remember that.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| 7804c84a | 30-Apr-2025 |
Richard Henderson <richard.henderson@linaro.org> |
include/user: Use vaddr in guest-host.h
Replace abi_ptr and abi_ulong with vaddr.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@lin
include/user: Use vaddr in guest-host.h
Replace abi_ptr and abi_ulong with vaddr.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| 5627d5c0 | 24-Apr-2025 |
Richard Henderson <richard.henderson@linaro.org> |
accel/tcg: Use vaddr in user/page-protection.h
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@li
accel/tcg: Use vaddr in user/page-protection.h
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| 2b3ccf5f | 07-Feb-2025 |
Ilya Leoshkevich <iii@linux.ibm.com> |
user: Introduce host_interrupt_signal
Attaching to the gdbstub of a running process requires stopping its
threads. For threads that run on a CPU, cpu_exit() is enough, but the
only way to grab atten
user: Introduce host_interrupt_signal
Attaching to the gdbstub of a running process requires stopping its
threads. For threads that run on a CPU, cpu_exit() is enough, but the
only way to grab attention of a thread that is stuck in a long-running
syscall is to interrupt it with a signal.
Reserve a host realtime signal for this, just like it's already done
for TARGET_SIGABRT on Linux. This may reduce the number of available
guest realtime signals by one, but this is acceptable, since there are
quite a lot of them, and it's unlikely that there are apps that need
them all.
Set signal_pending for the safe_sycall machinery to prevent invoking
the syscall. This is a lie, since we don't queue a guest signal, but
process_pending_signals() can handle the absence of pending signals.
The syscall returns with QEMU_ERESTARTSYS errno, which arranges for
the automatic restart. This is important, because it helps avoiding
disturbing poorly written guests.
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20250117001542.8290-5-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250207153112.3939799-14-alex.bennee@linaro.org>
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