linux-kernel - [PATCHv4 07/10] kexec: Switch to __pa

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Message-Id: <1480445729-27130-8-git-send-email-labbott@redhat.com>
Date:   Tue, 29 Nov 2016 10:55:26 -0800
From:   Laura Abbott <labbott@...hat.com>
To:     Mark Rutland <mark.rutland@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Eric Biederman <ebiederm@...ssion.com>
Cc:     Laura Abbott <labbott@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        linux-arm-kernel@...ts.infradead.org, kexec@...ts.infradead.org
Subject: [PATCHv4 07/10] kexec: Switch to __pa_symbol


__pa_symbol is the correct api to get the physical address of kernel
symbols. Switch to it to allow for better debug checking.

Signed-off-by: Laura Abbott <labbott@...hat.com>
---
Found during review of the kernel. Untested.
---
 kernel/kexec_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 5616755..e1b625e 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -1397,7 +1397,7 @@ void __weak arch_crash_save_vmcoreinfo(void)
 
 phys_addr_t __weak paddr_vmcoreinfo_note(void)
 {
-	return __pa((unsigned long)(char *)&vmcoreinfo_note);
+	return __pa_symbol((unsigned long)(char *)&vmcoreinfo_note);
 }
 
 static int __init crash_save_vmcoreinfo_init(void)
-- 
2.7.4