From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx48hwTWBg3kVeEsMwW42Gizo5qKHDXrz6HsTHUFb66dezLLi89VInnfrnlR92qaCqvEnkyg/ ARC-Seal: i=1; a=rsa-sha256; t=1523892345; cv=none; d=google.com; s=arc-20160816; b=q/9AHDqq7/MTGKEn8tAh+rd0Vn7bpu99O1QzGNQbqeCKHp4qZIFjh2nDKOlQDo9yIA CzbGme7dXGooFfxU+zR/KP6sOe1MA9igue9cgArjp+qLtEQL6NncbRYz4zx4ZX5Ixn55 ZS/P+XxG6qKFNjiAqK0Vx2NiA3hGa/iG60ULB/N0jf4oVLM9ajzkap3gepctbmJaJewE SDCtSNeGW9ENqgkLCo40FBex3JUI4dn+127VPfWzO5SaKee/cwG6BLmID795ZzFQyXLp Z7ad+2w2PypV1Krw+UKAtAa/zruXkmas0hOXkV82KvzOV1CwON62fJFerjnc1J979gpu j/cQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature:arc-authentication-results; bh=Y8N4hCCOk7avYFElYs/3evka9+flYYVqAWJN/ObKGmk=; b=O0qLmhrIg5Bydiq7U7asNjnlwUdFXUdBYAhXc90n+oUkUiTRpEBO/5jqbuH0bjcJz0 fVdH4UJAUXmPigaAABHaINJrXzToFVTQo/pCYijXWCwJdrUQinhQhAdynxIBtwM9JkuO Ab5jHRI3rthsIoNQlAskclkUR0dkvz1XYOEXfzdSfoZbQcQwJPk96PYDyXqAid4wxp06 jSy3QPDjKCfXJe72w9EeDhlwzSWqhYScC3th/qR2V1zwFsFEHfyjpG0Euhn9GCL5FI0r 3VFxdpXEMDAjxYV7Hv9DAhGC25ePvi2jCbEbOaxeZngf6jHS+HiG6ZEIoGGDJ6/frQN0 G3+g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass (test mode) header.i=@8bytes.org header.s=mail-1 header.b=fkLzrinP; spf=pass (google.com: domain of joro@8bytes.org designates 2a01:238:4383:600:38bc:a715:4b6d:a889 as permitted sender) smtp.mailfrom=joro@8bytes.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Authentication-Results: mx.google.com; dkim=pass (test mode) header.i=@8bytes.org header.s=mail-1 header.b=fkLzrinP; spf=pass (google.com: domain of joro@8bytes.org designates 2a01:238:4383:600:38bc:a715:4b6d:a889 as permitted sender) smtp.mailfrom=joro@8bytes.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=8bytes.org From: Joerg Roedel To: Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , Andy Lutomirski , Dave Hansen , Josh Poimboeuf , Juergen Gross , Peter Zijlstra , Borislav Petkov , Jiri Kosina , Boris Ostrovsky , Brian Gerst , David Laight , Denys Vlasenko , Eduardo Valentin , Greg KH , Will Deacon , aliguori@amazon.com, daniel.gruss@iaik.tugraz.at, hughd@google.com, keescook@google.com, Andrea Arcangeli , Waiman Long , Pavel Machek , "David H . Gutteridge" , jroedel@suse.de, joro@8bytes.org Subject: [PATCH 15/35] x86/pgtable: Rename pti_set_user_pgd to pti_set_user_pgtbl Date: Mon, 16 Apr 2018 17:25:03 +0200 Message-Id: <1523892323-14741-16-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1523892323-14741-1-git-send-email-joro@8bytes.org> References: <1523892323-14741-1-git-send-email-joro@8bytes.org> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597916939516404451?= X-GMAIL-MSGID: =?utf-8?q?1597916939516404451?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Joerg Roedel With the way page-table folding is implemented on 32 bit, we are not only setting PGDs with this functions, but also PUDs and even PMDs. Give the function a more generic name to reflect that. Signed-off-by: Joerg Roedel --- arch/x86/include/asm/pgtable_64.h | 12 ++++++------ arch/x86/mm/pti.c | 2 +- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 877bc27..c863816 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -196,21 +196,21 @@ static inline bool pgdp_maps_userspace(void *__ptr) } #ifdef CONFIG_PAGE_TABLE_ISOLATION -pgd_t __pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd); +pgd_t __pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd); /* * Take a PGD location (pgdp) and a pgd value that needs to be set there. * Populates the user and returns the resulting PGD that must be set in * the kernel copy of the page tables. */ -static inline pgd_t pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd) +static inline pgd_t pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd) { if (!static_cpu_has(X86_FEATURE_PTI)) return pgd; - return __pti_set_user_pgd(pgdp, pgd); + return __pti_set_user_pgtbl(pgdp, pgd); } #else -static inline pgd_t pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd) +static inline pgd_t pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd) { return pgd; } @@ -226,7 +226,7 @@ static inline void native_set_p4d(p4d_t *p4dp, p4d_t p4d) } pgd = native_make_pgd(native_p4d_val(p4d)); - pgd = pti_set_user_pgd((pgd_t *)p4dp, pgd); + pgd = pti_set_user_pgtbl((pgd_t *)p4dp, pgd); *p4dp = native_make_p4d(native_pgd_val(pgd)); } @@ -237,7 +237,7 @@ static inline void native_p4d_clear(p4d_t *p4d) static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd) { - *pgdp = pti_set_user_pgd(pgdp, pgd); + *pgdp = pti_set_user_pgtbl(pgdp, pgd); } static inline void native_pgd_clear(pgd_t *pgd) diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index f1fd52f..9bea9c3 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -117,7 +117,7 @@ void __init pti_check_boottime_disable(void) setup_force_cpu_cap(X86_FEATURE_PTI); } -pgd_t __pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd) +pgd_t __pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd) { /* * Changes to the high (kernel) portion of the kernelmode page -- 2.7.4