From: Baoquan He <bhe@redhat.com>
To: lijiang <lijiang@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>, Petr Tesarik <ptesarik@suse.cz>,
linux-kernel@vger.kernel.org, x86@kernel.org,
kexec@lists.infradead.org, mingo@redhat.com, tglx@linutronix.de,
dyoung@redhat.com
Subject: Re: [PATCH] kdump, vmcoreinfo: Export sme_me_mask value to vmcoreinfo
Date: Mon, 29 Oct 2018 16:31:18 +0800 [thread overview]
Message-ID: <20181029083118.GC1884@MiWiFi-R3L-srv> (raw)
In-Reply-To: <390b16ba-05d7-3590-c3b2-4b69aa3ae051@redhat.com>
On 10/29/18 at 03:59pm, lijiang wrote:
> diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
> index 4c8acdfdc5a7..de363796ed20 100644
> --- a/arch/x86/kernel/machine_kexec_64.c
> +++ b/arch/x86/kernel/machine_kexec_64.c
> @@ -29,6 +29,9 @@
> #include <asm/setup.h>
> #include <asm/set_memory.h>
>
> +u64 sme_mask;
> +EXPORT_SYMBOL(sme_mask);
Wondering why it is global. Who else will use it?
> +
> #ifdef CONFIG_KEXEC_FILE
> const struct kexec_file_ops * const kexec_file_loaders[] = {
> &kexec_bzImage64_ops,
> @@ -357,6 +360,9 @@ void arch_crash_save_vmcoreinfo(void)
> vmcoreinfo_append_str("NUMBER(pgtable_l5_enabled)=%d\n",
> pgtable_l5_enabled());
>
> + sme_mask = sme_me_mask;
> + VMCOREINFO_NUMBER(sme_mask);
> +
> #ifdef CONFIG_NUMA
> VMCOREINFO_SYMBOL(node_data);
> VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);
next prev parent reply other threads:[~2018-10-29 8:31 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-26 9:36 [PATCH] kdump, vmcoreinfo: Export sme_me_mask value to vmcoreinfo Lianbo Jiang
2018-10-26 9:43 ` Boris Petkov
2018-10-26 12:32 ` lijiang
2018-10-26 16:24 ` Petr Tesarik
2018-10-26 22:25 ` Borislav Petkov
2018-10-27 2:57 ` lijiang
2018-10-27 8:13 ` Baoquan He
2018-10-27 9:10 ` Borislav Petkov
2018-10-27 9:39 ` Baoquan He
2018-10-27 10:12 ` Borislav Petkov
2018-10-27 11:08 ` Baoquan He
2018-10-27 13:17 ` Boris Petkov
2018-10-27 14:41 ` lijiang
2018-10-27 14:51 ` Borislav Petkov
2018-10-29 7:59 ` lijiang
2018-10-29 8:31 ` Baoquan He [this message]
2018-10-29 9:29 ` lijiang
2018-10-29 9:57 ` Borislav Petkov
2018-10-29 10:12 ` lijiang
2018-10-29 11:44 ` Baoquan He
2018-10-29 13:41 ` lijiang
2018-10-29 13:49 ` Borislav Petkov
2018-10-30 4:46 ` lijiang
2018-10-30 5:09 ` Dave Young
2018-10-30 9:15 ` Borislav Petkov
2018-10-30 9:23 ` Baoquan He
2018-10-31 2:26 ` lijiang
2018-10-31 2:47 ` Dave Young
2018-10-31 7:43 ` lijiang
2018-10-31 10:10 ` Borislav Petkov
2018-11-01 15:01 ` Kazuhito Hagio
2018-10-26 16:35 ` Borislav Petkov
2018-10-27 2:19 ` lijiang
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