linux-kernel - [PATCH v3 6/6] s390/mm: Remove sev

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190718032858.28744-7-bauerman@linux.ibm.com>
Date:   Thu, 18 Jul 2019 00:28:58 -0300
From:   Thiago Jung Bauermann <bauerman@...ux.ibm.com>
To:     x86@...nel.org
Cc:     iommu@...ts.linux-foundation.org, linux-fsdevel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Thomas Lendacky <Thomas.Lendacky@....com>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Mike Anderson <andmike@...ux.ibm.com>,
        Ram Pai <linuxram@...ibm.com>,
        Thiago Jung Bauermann <bauerman@...ux.ibm.com>
Subject: [PATCH v3 6/6] s390/mm: Remove sev_active() function

All references to sev_active() were moved to arch/x86 so we don't need to
define it for s390 anymore.

Signed-off-by: Thiago Jung Bauermann <bauerman@...ux.ibm.com>
---
 arch/s390/include/asm/mem_encrypt.h | 1 -
 arch/s390/mm/init.c                 | 8 +-------
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/arch/s390/include/asm/mem_encrypt.h b/arch/s390/include/asm/mem_encrypt.h
index ff813a56bc30..2542cbf7e2d1 100644
--- a/arch/s390/include/asm/mem_encrypt.h
+++ b/arch/s390/include/asm/mem_encrypt.h
@@ -5,7 +5,6 @@
 #ifndef __ASSEMBLY__
 
 static inline bool mem_encrypt_active(void) { return false; }
-extern bool sev_active(void);
 
 int set_memory_encrypted(unsigned long addr, int numpages);
 int set_memory_decrypted(unsigned long addr, int numpages);
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 78c319c5ce48..6286eb3e815b 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -155,15 +155,9 @@ int set_memory_decrypted(unsigned long addr, int numpages)
 	return 0;
 }
 
-/* are we a protected virtualization guest? */
-bool sev_active(void)
-{
-	return is_prot_virt_guest();
-}
-
 bool force_dma_unencrypted(struct device *dev)
 {
-	return sev_active();
+	return is_prot_virt_guest();
 }
 
 /* protected virtualization */