From: Paolo Bonzini <pbonzini@redhat.com>
To: Richard Henderson <rth@twiddle.net>, qemu-devel@nongnu.org
Cc: ehabkost@redhat.com
Subject: Re: [Qemu-devel] [PATCH 05/14] target-i386: Enable control registers for MPX
Date: Tue, 9 Feb 2016 14:28:17 +0100 [thread overview]
Message-ID: <56B9E971.9070509@redhat.com> (raw)
In-Reply-To: <1436429849-18052-6-git-send-email-rth@twiddle.net>
On 09/07/2015 10:17, Richard Henderson wrote:
> + /* Disallow enabling only half of MPX. */
> + if ((mask ^ (mask * (XSTATE_BNDCSR / XSTATE_BNDREGS))) & XSTATE_BNDCSR) {
I'm refreshing patches 1-4 to add PKE support, and this caught my eye...
What about just
if (!!(mask & XSTATE_BNDCSR) != !!(mask & XSTATE_BNDREGS))
?
Paolo
next prev parent reply other threads:[~2016-02-09 13:28 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-09 8:17 [Qemu-devel] [PATCH 00/14] target-i386: Implement MPX extension Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 01/14] target-i386: Split fxsave/fxrstor implementation Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 02/14] target-i386: Rearrange processing of 0F 01 Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 03/14] target-i386: Add XSAVE extension Richard Henderson
2015-07-09 13:16 ` Paolo Bonzini
2015-07-09 8:17 ` [Qemu-devel] [PATCH 04/14] target-i386: Implement XSAVEOPT Richard Henderson
2015-07-09 13:06 ` Paolo Bonzini
2015-07-10 7:00 ` Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 05/14] target-i386: Enable control registers for MPX Richard Henderson
2015-07-09 13:12 ` Paolo Bonzini
2015-07-09 13:18 ` Paolo Bonzini
2015-07-10 7:44 ` Richard Henderson
2016-02-09 13:28 ` Paolo Bonzini [this message]
2016-02-09 15:50 ` Eric Blake
2016-02-09 15:50 ` Paolo Bonzini
2016-02-09 19:08 ` Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 06/14] target-i386: Perform set/reset_inhibit_irq inline Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 07/14] target-i386: Split up gen_lea_modrm Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 08/14] target-i386: Implement BNDMK Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 09/14] target-i386: Implement BNDMOV Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 10/14] target-i386: Implement BNDCL, BNDCU, BNDCN Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 11/14] target-i386: Update BNDSTATUS for exceptions raised by BOUND Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 12/14] target-i386: Implement BNDLDX, BNDSTX Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 13/14] target-i386: Clear bndregs during legacy near jumps Richard Henderson
2015-07-09 8:17 ` [Qemu-devel] [PATCH 14/14] target-i386: Enable XCR0 features for user-mode Richard Henderson
2015-07-09 13:15 ` Paolo Bonzini
2015-07-10 7:24 ` Richard Henderson
2015-07-10 9:36 ` Paolo Bonzini
2015-11-17 17:43 ` [Qemu-devel] [PATCH 00/14] target-i386: Implement MPX extension Paolo Bonzini
2015-11-18 9:43 ` Richard Henderson
2015-11-18 10:13 ` Paolo Bonzini
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