[Arm-dev] [PATCH v2] config-centos-sig: aarch64: Enable 48 bit VA
Jim Perrin
jperrin at centos.orgMon Nov 21 17:44:59 UTC 2016
- Previous message: [Arm-dev] [PATCH v2] config-centos-sig: aarch64: Enable 48 bit VA
- Next message: [Arm-dev] [PATCH v2] config-centos-sig: aarch64: Enable 48 bit VA
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
On 11/18/2016 04:34 PM, Jeremy Linton wrote: > On 11/18/2016 04:29 PM, Jeremy Linton wrote: >> The current RHELSA kernel is using a 42bit VA which >> is too limiting for possible near future workloads. >> Update this to 48 bits. This patch has a dependency >> on mozjs versions in the distro being patched to >> work with virtual address spaces >47 bits. > > Just a quick comment. An easy way to verify that the kernel in use has > 48bit VA's is to check the /proc/xxx/maps of a userspace process. > > A 48bit VA kernel will place shared libraries into addresses at the top > of the userspace address region. For example: > In thinking about this a bit more, I'd like to hold off on merging the 48bit VA patches in for the initial install kernel so that we have time to discuss the potential implications a bit more. We can always merge/push it as an update once we're a bit more clear on the impact of the fixes. -- Jim Perrin The CentOS Project | http://www.centos.org twitter: @BitIntegrity | GPG Key: FA09AD77
- Previous message: [Arm-dev] [PATCH v2] config-centos-sig: aarch64: Enable 48 bit VA
- Next message: [Arm-dev] [PATCH v2] config-centos-sig: aarch64: Enable 48 bit VA
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
More information about the Arm-dev mailing list