Anup Patel 7c8de080d4 RISC-V: KVM: Fix GPA passed to __kvm_riscv_hfence_gvma_xyz() functions ... The parameter passed to HFENCE.GVMA instruction in rs1 register is guest physical address right shifted by 2 (i.e. divided by 4). Unfortunately, we overlooked the semantics of rs1 registers for HFENCE.GVMA instruction and never right shifted guest physical address by 2. This issue did not manifest for hypervisors till now because: 1) Currently, only __kvm_riscv_hfence_gvma_all() and SBI HFENCE calls are used to invalidate TLB. 2) All H-extension implementations (such as QEMU, Spike, Rocket Core FPGA, etc) that we tried till now were conservatively flushing everything upon any HFENCE.GVMA instruction. This patch fixes GPA passed to __kvm_riscv_hfence_gvma_vmid_gpa() and __kvm_riscv_hfence_gvma_gpa() functions. Fixes: fd7bb4a251 ("RISC-V: KVM: Implement VMID allocator") Reported-by: Ian Huang <ihuang@ventanamicro.com> Signed-off-by: Anup Patel <anup.patel@wdc.com> Message-Id: <20211026170136.2147619-4-anup.patel@wdc.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2021-10-31 02:45:43 -04:00
..
boot	riscv: dts: microchip: mpfs-icicle: Fix serial console	2021-09-10 23:58:19 -07:00
configs	riscv: defconfig: enable NLS_CODEPAGE_437, NLS_ISO8859_1	2021-09-10 21:31:12 -07:00
errata	riscv: skip errata_cip_453.o if CONFIG_ERRATA_SIFIVE_CIP_453 is disabled	2021-06-01 21:16:41 -07:00
include	RISC-V: KVM: Fix GPA passed to __kvm_riscv_hfence_gvma_xyz() functions	2021-10-31 02:45:43 -04:00
kernel	RISC-V: KVM: FP lazy save/restore	2021-10-04 16:08:23 +05:30
kvm	RISC-V: KVM: Fix GPA passed to __kvm_riscv_hfence_gvma_xyz() functions	2021-10-31 02:45:43 -04:00
lib	riscv: __asm_copy_to-from_user: Fix: Typos in comments	2021-07-23 17:49:12 -07:00
mm	RISC-V Patches for the 5.15 Merge Window, Part 1	2021-09-05 11:31:23 -07:00
net	bpf: Introduce BPF nospec instruction for mitigating Spectre v4	2021-07-29 00:20:56 +02:00
Kbuild	riscv: Allow device trees to be built into the kernel	2020-05-18 11:38:05 -07:00
Kconfig	RISC-V: Add initial skeletal KVM support	2021-10-04 15:40:08 +05:30
Kconfig.debug	RISC-V: Remove EARLY_PRINTK support	2018-12-17 10:23:46 -08:00
Kconfig.erratas	riscv: enable SiFive errata CIP-453 and CIP-1200 Kconfig only if CONFIG_64BIT=y	2021-05-06 09:40:13 -07:00
Kconfig.socs	riscv: sifive: fix Kconfig errata warning	2021-06-12 17:20:50 -07:00
Makefile	RISC-V: Add initial skeletal KVM support	2021-10-04 15:40:08 +05:30