| Message ID | 20231127120049.2258650-5-ardb@google.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | arm64 kpti fixes | expand |
On Mon, Nov 27, 2023 at 01:00:50PM +0100, Ard Biesheuvel wrote: > From: Ard Biesheuvel <ardb@kernel.org> > > A couple of fixes and tweaks for KPTI - the first patch is a true > regression in v6.7, the others are minor tweaks. > > v2: > - add two more tweaks > - use correct method to test system cap before alternatives have been > applied > - move check into kpti_install_ng_mappings() > > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Will Deacon <will@kernel.org> > Cc: Marc Zyngier <maz@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com> Thanks for this! For the series: Acked-by: Mark Rutland <mark.rutland@arm.com> Mark. > > Ard Biesheuvel (3): > arm64: Avoid enabling KPTI unnecessarily > arm64: mm: Only map KPTI trampoline if it is going to be used > arm64: Kconfig: drop KAISER reference from KPTI option description > > arch/arm64/Kconfig | 2 +- > arch/arm64/kernel/cpufeature.c | 4 ++++ > arch/arm64/mm/mmu.c | 3 +++ > 3 files changed, 8 insertions(+), 1 deletion(-) > > -- > 2.43.0.rc1.413.gea7ed67945-goog >
On Mon, 27 Nov 2023 13:00:50 +0100, Ard Biesheuvel wrote: > A couple of fixes and tweaks for KPTI - the first patch is a true > regression in v6.7, the others are minor tweaks. > > v2: > - add two more tweaks > - use correct method to test system cap before alternatives have been > applied > - move check into kpti_install_ng_mappings() > > [...] Applied to arm64 (for-next/fixes), thanks! [1/3] arm64: Avoid enabling KPTI unnecessarily https://git.kernel.org/arm64/c/f5259997f3e8 I only picked up the first fix in the series, I'll leave the other two for 6.8.
On Mon, 27 Nov 2023 13:00:50 +0100, Ard Biesheuvel wrote: > From: Ard Biesheuvel <ardb@kernel.org> > > A couple of fixes and tweaks for KPTI - the first patch is a true > regression in v6.7, the others are minor tweaks. > > v2: > - add two more tweaks > - use correct method to test system cap before alternatives have been > applied > - move check into kpti_install_ng_mappings() > > [...] Applied last two to arm64 (for-next/cpufeature), thanks! [2/3] arm64: mm: Only map KPTI trampoline if it is going to be used https://git.kernel.org/arm64/c/8885c7398fe5 [3/3] arm64: Kconfig: drop KAISER reference from KPTI option description https://git.kernel.org/arm64/c/7540f70df98f Cheers,
From: Ard Biesheuvel <ardb@kernel.org> A couple of fixes and tweaks for KPTI - the first patch is a true regression in v6.7, the others are minor tweaks. v2: - add two more tweaks - use correct method to test system cap before alternatives have been applied - move check into kpti_install_ng_mappings() Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Ard Biesheuvel (3): arm64: Avoid enabling KPTI unnecessarily arm64: mm: Only map KPTI trampoline if it is going to be used arm64: Kconfig: drop KAISER reference from KPTI option description arch/arm64/Kconfig | 2 +- arch/arm64/kernel/cpufeature.c | 4 ++++ arch/arm64/mm/mmu.c | 3 +++ 3 files changed, 8 insertions(+), 1 deletion(-)