Re: [PATCH 4.4 163/193] kasan: rework Kconfig settings

On Fri, 2018-02-23 at 19:26 +0100, Greg Kroah-Hartman wrote:

4.4-stable review patch.  If anyone has any objections, please let me know.

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From: Arnd Bergmann arnd@arndb.de

commit e7c52b84fb18f08ce49b6067ae6285aca79084a8 upstream.

[...]

--- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -197,7 +197,7 @@ config ENABLE_MUST_CHECK  config FRAME_WARN   int "Warn for stack frames larger than (needs gcc 4.4)"   range 0 8192

• default 0 if KASAN

• default 2048 if GCC_PLUGIN_LATENT_ENTROPY

default 1024 if !64BIT   default 2048 if 64BIT   help

This doesn't make sense for 4.4. There is no GCC_PLUGIN_LATENT_ENTROPY in 4.4, and this line wasn't added by the upstream commit.

I think all that was really needed in the backport was to delete the 'default 0', right?

Ben.