Re: [PATCH v2 12/13] s390/kexec: refactor for kernel/Kconfig.kexec
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- To: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>, Eric DeVolder <eric.devolder@xxxxxxxxxx>
- Subject: Re: [PATCH v2 12/13] s390/kexec: refactor for kernel/Kconfig.kexec
- From: Mimi Zohar <zohar@xxxxxxxxxxxxx>
- Date: Wed, 21 Jun 2023 18:22:52 -0400
- Cc: linux@xxxxxxxxxxxxxxx, catalin.marinas@xxxxxxx, will@xxxxxxxxxx, chenhuacai@xxxxxxxxxx, geert@xxxxxxxxxxxxxx, tsbogend@xxxxxxxxxxxxxxxx, James.Bottomley@xxxxxxxxxxxxxxxxxxxxx, deller@xxxxxx, ysato@xxxxxxxxxxxxx, dalias@xxxxxxxx, glaubitz@xxxxxxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, bp@xxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, loongarch@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, kernel@xxxxxxxxxx, mpe@xxxxxxxxxxxxxx, npiggin@xxxxxxxxx, christophe.leroy@xxxxxxxxxx, paul.walmsley@xxxxxxxxxx, palmer@xxxxxxxxxxx, aou@xxxxxxxxxxxxxxxxx, hca@xxxxxxxxxxxxx, gor@xxxxxxxxxxxxx, borntraeger@xxxxxxxxxxxxx, svens@xxxxxxxxxxxxx, hpa@xxxxxxxxx, keescook@xxxxxxxxxxxx, paulmck@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, frederic@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, ardb@xxxxxxxxxx, samitolvanen@xxxxxxxxxx, juerg.haefliger@xxxxxxxxxxxxx, arnd@xxxxxxxx, rmk+kernel@xxxxxxxxxxxxxxx, linus.walleij@xxxxxxxxxx, sebastian.reichel@xxxxxxxxxxxxx, rppt@xxxxxxxxxx, kirill.shutemov@xxxxxxxxxxxxxxx, anshuman.khandual@xxxxxxx, ziy@xxxxxxxxxx, masahiroy@xxxxxxxxxx, ndesaulniers@xxxxxxxxxx, mhiramat@xxxxxxxxxx, ojeda@xxxxxxxxxx, thunder.leizhen@xxxxxxxxxx, xin3.li@xxxxxxxxx, tj@xxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, tsi@xxxxxxxxxx, bhe@xxxxxxxxxx, hbathini@xxxxxxxxxxxxx, sourabhjain@xxxxxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx, konrad.wilk@xxxxxxxxxx
- In-reply-to: <ZJKD690QaX1IgiAz@li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com>
- References: <20230619145801.1064716-1-eric.devolder@oracle.com> <20230619145801.1064716-13-eric.devolder@oracle.com> <ZJKD690QaX1IgiAz@li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com>
On Wed, 2023-06-21 at 07:00 +0200, Alexander Gordeev wrote:
> AFAICT the MODULE_SIG_FORMAT dependency was introduced with commit
> c8424e776b09 ("MODSIGN: Export module signature definitions") and
> in fact was not necessary, since s390 did/does not use mod_check_sig()
> anyway. So the SYSTEM_DATA_VERIFICATION could have left intact.
FYI, this patch was included in the patch set to allow IMA to verify
the kexec kernel image appended signature on OpenPOWER.
--
thanks,
Mimi
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