| Message ID | 20210503130243.891868-1-npiggin@gmail.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | powerpc/security mitigation updates | expand |
On Mon, 3 May 2021 23:02:39 +1000, Nicholas Piggin wrote: > This series adds a few missing bits added to recent pseries > H_GET_CPU_CHARACTERISTICS and implements them, also removes > a restriction from powernv for some of the flushes. > > This is tested mianly in qemu where I just submitted a patch > that adds support for these bits (not upstream yet). > > [...] Patches 1-3 applied to powerpc/next. [1/4] powerpc/pseries: Get entry and uaccess flush required bits from H_GET_CPU_CHARACTERISTICS https://git.kernel.org/powerpc/c/65c7d070850e109a8a75a431f5a7f6eb4c007b77 [2/4] powerpc/security: Add a security feature for STF barrier https://git.kernel.org/powerpc/c/84ed26fd00c514da57cd46aa3728a48f1f9b35cd [3/4] powerpc/pesries: Get STF barrier requirement from H_GET_CPU_CHARACTERISTICS https://git.kernel.org/powerpc/c/393eff5a7b357a23db3e786e24b5ba8762cc6820 cheers
On Mon, 3 May 2021 23:02:39 +1000, Nicholas Piggin wrote: > This series adds a few missing bits added to recent pseries > H_GET_CPU_CHARACTERISTICS and implements them, also removes > a restriction from powernv for some of the flushes. > > This is tested mianly in qemu where I just submitted a patch > that adds support for these bits (not upstream yet). > > [...] Patch 4 applied to powerpc/next. [4/4] powerpc/powernv: Remove POWER9 PVR version check for entry and uaccess flushes https://git.kernel.org/powerpc/c/d02fa40d759ff9a53c93b10d8a4b591688982b26 cheers
This series adds a few missing bits added to recent pseries H_GET_CPU_CHARACTERISTICS and implements them, also removes a restriction from powernv for some of the flushes. This is tested mianly in qemu where I just submitted a patch that adds support for these bits (not upstream yet). Nicholas Piggin (4): powerpc/pseries: Get entry and uaccess flush required bits from H_GET_CPU_CHARACTERISTICS powerpc/security: Add a security feature for STF barrier powerpc/pesries: Get STF barrier requirement from H_GET_CPU_CHARACTERISTICS powerpc/powernv: Remove POWER9 PVR version check for entry and uaccess flushes arch/powerpc/include/asm/hvcall.h | 3 +++ arch/powerpc/include/asm/security_features.h | 4 ++++ arch/powerpc/kernel/security.c | 7 ++----- arch/powerpc/platforms/powernv/setup.c | 9 --------- arch/powerpc/platforms/pseries/setup.c | 9 +++++++++ 5 files changed, 18 insertions(+), 14 deletions(-)