From: Andrew Morton <akpm@linux-foundation.org>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: Qian Cai <qcai@redhat.com>, Mike Rapoport <rppt@kernel.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@alien8.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Christopher Lameter <cl@linux.com>,
Dan Williams <dan.j.williams@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
David Hildenbrand <david@redhat.com>,
Elena Reshetova <elena.reshetova@intel.com>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
James Bottomley <jejb@linux.ibm.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Matthew Wilcox <willy@infradead.org>,
Mark Rutland <mark.rutland@arm.com>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Peter Zijlstra <peterz@infradead.org>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Roman Gushchin <guro@fb.com>, Shakeel Butt <shakeelb@google.com>,
Shuah Khan <shuah@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Tycho Andersen <tycho@tycho.ws>, Will Deacon <will@kernel.org>,
linux-api@vger.kernel.org, linux-arch@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org,
x86@kernel.org, Palmer Dabbelt <palmerdabbelt@google.com>
Subject: Re: [PATCH v14 09/10] arch, mm: wire up memfd_secret system call were relevant
Date: Mon, 7 Dec 2020 17:34:59 -0800 [thread overview]
Message-ID: <20201207173459.a4d4a3404e163314c29f0785@linux-foundation.org> (raw)
In-Reply-To: <20201207160006.GG1112728@linux.ibm.com>
On Mon, 7 Dec 2020 18:00:06 +0200 Mike Rapoport <rppt@linux.ibm.com> wrote:
> >
> > I can't see where was it defined for arm64 after it looks like Andrew has
> > deleted the above chunk. Thus, we have a warning using this .config:
> >
> > https://cailca.coding.net/public/linux/mm/git/files/master/arm64.config
> >
> > <stdin>:1539:2: warning: #warning syscall memfd_secret not implemented [-Wcpp]
>
> I was under the impression that Andrew only removed the #ifdef...
>
> Andrew, can you please restore syscall definition for memfd_secret() in
> include/uapi/asm-generic/unistd.h?
>
urgh, OK, that seems to have got lost in the (moderate amount of)
conflict resolution).
--- a/include/uapi/asm-generic/unistd.h~arch-mm-wire-up-memfd_secret-system-call-were-relevant-fix
+++ a/include/uapi/asm-generic/unistd.h
@@ -863,9 +863,13 @@ __SYSCALL(__NR_process_madvise, sys_proc
__SYSCALL(__NR_watch_mount, sys_watch_mount)
#define __NR_epoll_pwait2 442
__SC_COMP(__NR_epoll_pwait2, sys_epoll_pwait2, compat_sys_epoll_pwait2)
+#ifdef __ARCH_WANT_MEMFD_SECRET
+#define __NR_memfd_secret 443
+__SYSCALL(__NR_memfd_secret, sys_memfd_secret)
+#endif
#undef __NR_syscalls
-#define __NR_syscalls 443
+#define __NR_syscalls 444
/*
* 32 bit systems traditionally used different
_
next prev parent reply other threads:[~2020-12-08 1:35 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 6:29 [PATCH v14 00/10] mm: introduce memfd_secret system call to create "secret" memory areas Mike Rapoport
2020-12-03 6:29 ` [PATCH v14 01/10] mm: add definition of PMD_PAGE_ORDER Mike Rapoport
2020-12-03 6:29 ` [PATCH v14 02/10] mmap: make mlock_future_check() global Mike Rapoport
2020-12-03 6:29 ` [PATCH v14 03/10] set_memory: allow set_direct_map_*_noflush() for multiple pages Mike Rapoport
2020-12-03 6:29 ` [PATCH v14 04/10] set_memory: allow querying whether set_direct_map_*() is actually enabled Mike Rapoport
2020-12-03 23:36 ` Andrew Morton
2020-12-06 11:28 ` Mike Rapoport
2020-12-03 6:29 ` [PATCH v14 05/10] mm: introduce memfd_secret system call to create "secret" memory areas Mike Rapoport
2021-01-19 20:22 ` Matthew Wilcox
2021-01-20 15:05 ` Mike Rapoport
2021-01-20 16:02 ` Matthew Wilcox
2021-01-20 17:04 ` Mike Rapoport
2020-12-03 6:29 ` [PATCH v14 06/10] secretmem: use PMD-size pages to amortize direct map fragmentation Mike Rapoport
2020-12-03 6:29 ` [PATCH v14 07/10] secretmem: add memcg accounting Mike Rapoport
2020-12-03 15:47 ` Shakeel Butt
2020-12-03 6:29 ` [PATCH v14 08/10] PM: hibernate: disable when there are active secretmem users Mike Rapoport
2020-12-03 6:29 ` [PATCH v14 09/10] arch, mm: wire up memfd_secret system call were relevant Mike Rapoport
2020-12-03 23:39 ` Andrew Morton
2020-12-06 11:30 ` Mike Rapoport
2020-12-07 14:45 ` Qian Cai
2020-12-07 16:00 ` Mike Rapoport
2020-12-08 1:34 ` Andrew Morton [this message]
2020-12-03 6:29 ` [PATCH v14 10/10] secretmem: test: add basic selftest for memfd_secret(2) Mike Rapoport
2020-12-12 6:16 ` John Hubbard
2020-12-12 13:59 ` Mike Rapoport
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