On Fri, Aug 04, 2023 at 11:28:17PM +0200, Jason A. Donenfeld wrote: > On Fri, Aug 4, 2023 at 11:28 PM Jason A. Donenfeld <Jason@xxxxxxxxx> wrote: > > > > Hi Guo, > > > > On Tue, Jun 13, 2023 at 09:30:16PM -0400, guoren@xxxxxxxxxx wrote: > > > From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> > > > > > > Add independent irq stacks for percpu to prevent kernel stack overflows. > > > It is also compatible with VMAP_STACK by arch_alloc_vmap_stack. > > > > > > Tested-by: Jisheng Zhang <jszhang@xxxxxxxxxx> > > > Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> > > > Signed-off-by: Guo Ren <guoren@xxxxxxxxxx> > > > Cc: Clément Léger <cleger@xxxxxxxxxxxx> > > > > This patch broke the WireGuard test suite. I've attached the .config > > file that it uses. I'm able to fix it by setting CONFIG_EXPERT=y and > > CONFIG_IRQ_STACKS=n to essentially reverse the effect of this patch. But > > I'd rather not do that. > > > > Any idea what's up? Given your config, I suspect you're hitting the issue that is resolved by Guo Ren's series: https://lore.kernel.org/linux-riscv/20230716001506.3506041-1-guoren@xxxxxxxxxx/ Hopefully that's it, Conor. > > > > Thanks, > > Jason > > And, err, I guess I failed to describe what's broken exactly. Here's > what happens: > > timeout --foreground 20m qemu-system-riscv64 \ > -nodefaults \ > -nographic \ > -smp 4 \ > -cpu rv64 -machine virt \ > -m 256M \ > -serial stdio \ > -chardev > file,path=/home/zx2c4/Projects/wireguard-linux/tools/testing/selftests/wireguard/qemu/build/riscv64/result,id=result > \ > -device virtio-serial-device -device virtserialport,chardev=result \ > -no-reboot \ > -monitor none \ > -kernel /home/zx2c4/Projects/wireguard-linux/tools/testing/selftests/wireguard/qemu/build/riscv64/kernel/arch/riscv/boot/Image > > OpenSBI v1.2 > ____ _____ ____ _____ > / __ \ / ____| _ \_ _| > | | | |_ __ ___ _ __ | (___ | |_) || | > | | | | '_ \ / _ \ '_ \ \___ \| _ < | | > | |__| | |_) | __/ | | |____) | |_) || |_ > \____/| .__/ \___|_| |_|_____/|____/_____| > | | > |_| > > Platform Name : riscv-virtio,qemu > Platform Features : medeleg > Platform HART Count : 4 > Platform IPI Device : aclint-mswi > Platform Timer Device : aclint-mtimer @ 10000000Hz > Platform Console Device : uart8250 > Platform HSM Device : --- > Platform PMU Device : --- > Platform Reboot Device : sifive_test > Platform Shutdown Device : sifive_test > Firmware Base : 0x80000000 > Firmware Size : 236 KB > Runtime SBI Version : 1.0 > > Domain0 Name : root > Domain0 Boot HART : 0 > Domain0 HARTs : 0*,1*,2*,3* > Domain0 Region00 : 0x0000000002000000-0x000000000200ffff (I) > Domain0 Region01 : 0x0000000080000000-0x000000008003ffff () > Domain0 Region02 : 0x0000000000000000-0xffffffffffffffff (R,W,X) > Domain0 Next Address : 0x0000000080200000 > Domain0 Next Arg1 : 0x000000008fe00000 > Domain0 Next Mode : S-mode > Domain0 SysReset : yes > > Boot HART ID : 0 > Boot HART Domain : root > Boot HART Priv Version : v1.12 > Boot HART Base ISA : rv64imafdch > Boot HART ISA Extensions : time,sstc > Boot HART PMP Count : 16 > Boot HART PMP Granularity : 4 > Boot HART PMP Address Bits: 54 > Boot HART MHPM Count : 16 > Boot HART MIDELEG : 0x0000000000001666 > Boot HART MEDELEG : 0x0000000000f0b509 > [terminates/hangs here] > > _______________________________________________ > linux-riscv mailing list > linux-riscv@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-riscv
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