Re: [PATCH] Revert "kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled"

2020-09-03 Thread Petr Mladek
On Tue 2020-09-01 12:24:51, Josh Poimboeuf wrote: > On Thu, Aug 06, 2020 at 11:24:26AM +0200, Petr Mladek wrote: > > On Tue 2020-07-21 13:17:00, Miroslav Benes wrote: > > > On Fri, 17 Jul 2020, Josh Poimboeuf wrote: > > > > > > > Use of the new -flive-patching flag was introduced with the

Re: [PATCH] Revert "kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled"

2020-09-01 Thread Josh Poimboeuf
On Thu, Aug 06, 2020 at 11:24:26AM +0200, Petr Mladek wrote: > On Tue 2020-07-21 13:17:00, Miroslav Benes wrote: > > On Fri, 17 Jul 2020, Josh Poimboeuf wrote: > > > > > Use of the new -flive-patching flag was introduced with the following > > > commit: > > > > > > 43bd3a95c98e ("kbuild: use

Re: [PATCH] Revert "kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled"

2020-08-06 Thread Petr Mladek
On Tue 2020-07-21 13:17:00, Miroslav Benes wrote: > On Fri, 17 Jul 2020, Josh Poimboeuf wrote: > > > Use of the new -flive-patching flag was introduced with the following > > commit: > > > > 43bd3a95c98e ("kbuild: use -flive-patching when CONFIG_LIVEPATCH is > > enabled") > > > > This

Re: [PATCH] Revert "kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled"

2020-07-21 Thread Miroslav Benes
On Sun, 19 Jul 2020, Joe Lawrence wrote: > On 7/17/20 2:29 PM, Josh Poimboeuf wrote: > > Use of the new -flive-patching flag was introduced with the following > > commit: > > > >43bd3a95c98e ("kbuild: use -flive-patching when CONFIG_LIVEPATCH is > >enabled") > > > > This flag has

Re: [PATCH] Revert "kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled"

2020-07-21 Thread Miroslav Benes
On Fri, 17 Jul 2020, Josh Poimboeuf wrote: > Use of the new -flive-patching flag was introduced with the following > commit: > > 43bd3a95c98e ("kbuild: use -flive-patching when CONFIG_LIVEPATCH is > enabled") > > This flag has several drawbacks: > > - It disables some optimizations, so it

Re: [PATCH] Revert "kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled"

2020-07-20 Thread Joe Lawrence
On 7/20/20 4:50 AM, Kamalesh Babulal wrote: On 20/07/20 9:05 am, Joe Lawrence wrote: On 7/17/20 2:29 PM, Josh Poimboeuf wrote: Use of the new -flive-patching flag was introduced with the following commit:    43bd3a95c98e ("kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled") This

Re: [PATCH] Revert "kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled"

2020-07-20 Thread Kamalesh Babulal
On 20/07/20 9:05 am, Joe Lawrence wrote: > On 7/17/20 2:29 PM, Josh Poimboeuf wrote: >> Use of the new -flive-patching flag was introduced with the following >> commit: >> >>    43bd3a95c98e ("kbuild: use -flive-patching when CONFIG_LIVEPATCH is >> enabled") >> >> This flag has several drawbacks:

Re: [PATCH] Revert "kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled"

2020-07-19 Thread Joe Lawrence
On 7/17/20 2:29 PM, Josh Poimboeuf wrote: Use of the new -flive-patching flag was introduced with the following commit: 43bd3a95c98e ("kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled") This flag has several drawbacks: [ ... snip ... ] - While there *is* a distro which relies

[PATCH] Revert "kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled"

2020-07-17 Thread Josh Poimboeuf
Use of the new -flive-patching flag was introduced with the following commit: 43bd3a95c98e ("kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled") This flag has several drawbacks: - It disables some optimizations, so it can have a negative effect on performance. - According to the