From: Aleksandar Markovic <[email protected]> Hello, folks!
This series is a spin-off of another larger linux-user series that become too large to handle, hence these patches related to syscall numbers are now in this, separate, series. Now that kernel 5.5 is released few days ago, it is time to reflect what can be updated in linux-user for upcomming QEMU 5.0. An obvoius kernel change we should take into account are new system calls, and the foirst step is updating syscall numbers mainteined within QEMU linux-user. Regarding kernel syscal numbers there is good news and bad news. The good news is that kernel developers decided to make future syscall numbers much more synchonized accross architectures than before. They already reached that state. The bad news is that we in QEMU did not reach that state yet, since we lag after kernel significantly. The good news again is that we will reach that state if we update syscall numbers accross the board now. This is the main intention and motivation of this series. The bad news again is that in order to update syscall numebrs we need to be very careful at this moment. There are a number of new syscalls added to the kernel recently that QEMU doesn't know about at all. Significant number of new syscalls deal with 32/64-bit compatibility, traditionally a problematic area in kernel, and in QEMU as well. Moreover, some of the new syscalls are applicable to 32-bit architectures only. This series covers updating syscall numbers defined in the following files: - linux-user/alpha/syscall_nr.h - linux-user/arm/syscall_nr.h - linux-user/m68k/syscall_nr.h - linux-user/microblaze/syscall_nr.h - linux-user/mips/cpu_loop.c - linux-user/mips/syscall_nr.h - linux-user/mips64/syscall_nr.h - linux-user/sh4/syscall_nr.h - linux-user/x86_64/syscall_nr.h - linux-user/xtensa/syscall_nr.h This series doesn't cover following files (since they use certain proprietary rules for mapping between kernel source and qemu source, I don't feel quite comfortable changing them - therefore I am asking corresponding target maintainers or Lauren to update them, if possible, before our 5.0 release): - linux-user/aarch64/syscall_nr.h - linux-user/i386/syscall_nr.h - linux-user/nios2/syscall_nr.h - linux-user/ppc/syscall_nr.h - linux-user/riscv/syscall_nr.h - linux-user/s390x/syscall_nr.h - linux-user/sparc/syscall_nr.h - linux-user/sparc64/syscall_nr.h CC: Peter Maydell <[email protected]> CC: Paolo Bonzini <[email protected]> CC: Richard Henderson <[email protected]> CC: Eduardo Habkost <[email protected]> CC: Chris Wulff <[email protected]> CC: Marek Vasut <[email protected]> CC: David Gibson <[email protected]> CC: Palmer Dabbelt <[email protected]> CC: Alistair Francis <[email protected]> CC: Sagar Karandikar <[email protected]> CC: Bastian Koppelmann <[email protected]> CC: David Hildenbrand <[email protected]> CC: Mark Cave-Ayland <[email protected]> CC: Artyom Tarasenko <[email protected]> This series also doesn't cover following files (since I can't find corresponding kernel code - and I am also asking corresponding target maintainers or Lauren to update them, if possible, before our 5.0 release): - linux-user/cris/cpu_loop.c - linux-user/hppa/syscall_nr.h - linux-user/openrisc/syscall_nr.h - linux-user/tilegx/syscall_nr.h CC: Edgar E. Iglesias <[email protected]> CC: Richard Henderson <[email protected]> CC: Stafford Horne <[email protected]> Again, I don't plan (I am really running out of time resources) to work in a significant way on this issue any more, and I am asking you guys other maintainers to help finish updating syscall numbers before QEMU 5.0 release. Once we do that, updating syscall numbers in QEMU should and will be significantly easier. Thanks in advance! Truly yours, Aleksandar ----------------------------------------------------------------------- Aleksandar Markovic (9): linux-user: alpha: Update syscall numbers to kernel 5.5 level linux-user: arm: Update syscall numbers to kernel 5.5 level linux-user: m68k: Update syscall numbers to kernel 5.5 level linux-user: microblaze: Update syscall numbers to kernel 5.5 level linux-user: mips: Update syscall numbers to kernel 5.5 level linux-user: sh4: Update syscall numbers to kernel 5.5 level linux-user: x86_64: Update syscall numbers to kernel 5.5 level linux-user: xtensa: Update syscall numbers to kernel 5.5 level linux-user: xtensa: Remove unused constant TARGET_NR_syscall_count linux-user/alpha/syscall_nr.h | 35 +++++++++++++++++ linux-user/arm/syscall_nr.h | 44 +++++++++++++++++++++ linux-user/m68k/syscall_nr.h | 50 +++++++++++++++++++++++- linux-user/microblaze/syscall_nr.h | 45 ++++++++++++++++++++++ linux-user/mips/cpu_loop.c | 78 +++++++++++++++++++++++++++++++++++++- linux-user/mips/syscall_nr.h | 45 ++++++++++++++++++++++ linux-user/mips64/syscall_nr.h | 13 +++++++ linux-user/sh4/syscall_nr.h | 48 +++++++++++++++++++++++ linux-user/x86_64/syscall_nr.h | 24 ++++++++++++ linux-user/xtensa/syscall_nr.h | 36 +++++++++++++++++- 10 files changed, 414 insertions(+), 4 deletions(-) -- 2.7.4
