Re: [PATCH v1] target/ppc: Support directed privileged doorbell interrupt (SDOOR)

2023-06-05 Thread Daniel Henrique Barboza
Queued in gitlab.com/danielhb/qemu/tree/ppc-next. Thanks, Daniel On 5/30/23 10:05, Nicholas Piggin wrote: BookS msgsndp instruction to self or DPDES register can cause SDOOR interrupts which crash QEMU with exception not implemented. Linux does not use msgsndp in SMT1, and KVM only uses

Re: [PATCH v1] target/ppc: Support directed privileged doorbell interrupt (SDOOR)

2023-05-31 Thread Cédric Le Goater
On 5/30/23 15:05, Nicholas Piggin wrote: BookS msgsndp instruction to self or DPDES register can cause SDOOR interrupts which crash QEMU with exception not implemented. Linux does not use msgsndp in SMT1, and KVM only uses DPDES to cause doorbells when emulating a SMT guest (which is not the

[PATCH v1] target/ppc: Support directed privileged doorbell interrupt (SDOOR)

2023-05-30 Thread Nicholas Piggin
BookS msgsndp instruction to self or DPDES register can cause SDOOR interrupts which crash QEMU with exception not implemented. Linux does not use msgsndp in SMT1, and KVM only uses DPDES to cause doorbells when emulating a SMT guest (which is not the default), so this has gone unnoticed.